Swema 3000 Manual
Text of the manual
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1
Manual for Swema 3000
Version 1151 5.21
SE-123 56 FARSTA
Tel: +46 8 94 00 90
Fax: +46 8 93 44 93
[email protected]
www.swema.com
2
Contents
Connectors and Buttons
3
How to put on/off holders for the probes
4
Starting
5
PC programs
6
The different probes for Swema 3000
7
The different modes used in Swema 3000
9
Measuring with APF (Average Point air Flow)
10
Recomended measuring points for circular and rectangular ducts
11
Measuring with DPF (Differential Pressure air Flow)
13
Measuring with AF (Average Flow)
15
Measuring with BP (Back Pressure)
16
Measuring with AP (Average Point)
18
Measuring with AS (Auto Sampling)
19
Measuring with ASF (Auto Sampling Flow)
20
Measuring with CO (Comfort)
22
Measuring with LOG (Logging)
23
Measuring with LOGP (Logging Protocols)
24
Note Book, Log Book and File
25
Leakage tester for Building
26
Leakage tester for Duct
29
Control unit for leakage tester
31
Measuring with SwemaTwin - Balancing of ventilation
32
Menu 1
34
Menu 2
35
Menu 3
36
SwemaTerminal 2
37
Time constant
38
Displayed values and saving measurment
38
Technical Data
39
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3
Connectors and Buttons
Display
Menu-keys
Arrow Keys
Enter Key
Display light
On / Off
SWA 31
Probe connector
RS232/SwemaTwin connector
USB connector
Battery hatch 2 x AA Batteries
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4
How to put on/off holders for the probes
Start with removing the rubber strip by gripping it with your fingers. Pull it up about 1 cm to the
opening and pull it out.
Remove the rubber strip by just pull it out. When you have removed the strip put in the appropriate
holders and slide them to the wanted positions.
Now you can attach the probe. (Picture shows SWA 10 with holder)
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Starting
The Swema 3000 is a multi-purpose instrument for measuring
air velocities, air flows, relative humidity, temperatures and
differential pressure. Swema3000, 3000d, 3000md: d means
density compensated with inbuilt barometer and thermocouple
type K connector. m means inbuilt manometer.
Swema 3000 has individually calibrated, replaceable probes.
As soon as you turn on the instrument with a probe connected,
measurement values are displayed. It’s important to turn off
Swema 3000 before you connect or disconnect a probe. For Swema 3000md toggle
between the inbuilt manometer and external probe by using the EXT / INT button.
In addition Swema 3000 will calculate and help you work correctly when using any of the modes
included in the Swema 3000. By pressing Enter the measurement mode will start.
When Swema 3000 is turned on some information about the instrument is displayed under a
couple of seconds. Information showed is what model of Swema 3000 it’s, wich software version it
has and the battery power (under 2.0V the instrument will turn off). If you have a probe connected
you will also see what kind of probe it’s, next calibration date and serial number of the probe (next
calibration date and seriel number is not showed for relative humidity probes). If you would like to
see this information for more than a couple of seconds hold down the ON/OFF button during turn
on, the information is showed until you release the button.
There are some general modes to use with any probe: AP (not SWA03), AS, LOG and LOGP.
We suggest to start to learn the AP and LOG modes.
For ventilation measurements there are some special modes: APF, DPF, AF, BP, ASF and CO.
Start by using APF(SWA31/07/10), DPF (SWA10/07) and BP, AF (SwemaFlow 125/2000/65)
Swema 3000 can store measurement results in the memory. Measurement notes and logs can easily
be transfered to a PC using the program SwemaTerminal.
If you have replaced a probe or connected it for the first time, the instrument always selects the
mode which is standard for the connected probe. In addition, the Swema 3000 reads in the cali-
bration and only makes available the modes which are relevant to that particular type of probe. If
you switch off the instrument and turn it on again, you will return to the mode you were using. It
also remembers what time constant and number of decimal used. Swema 3000 remembers infor-
mation for the two last probe used plus the inbuilt manometer of Swema 3000md.
At delivery the instrument is set to use k2-factors that is reducing the duct surface when
calculating flow in APF-mode.
Menu-keys (Page 3)
The lowest part of the display is divided into 3 squares and directly under these squares there are
3 Menu-keys. The buttons functions varies wich is described in the 3 squares abowe.
Change settings and move around in the Menu
Use the UP/DOWN-arrow key to move between the different lines in the Menu. If you want to
change something press ENTER, RIGHT-arrow key or SET (Menu-key to the right). Use UP/
DOWN-arrows to choose between the different options you have. If you want to go back to default
settings press DEF (Menu-key in the middle) when it’s showed. When you are finnished with your
changes press ENTER, LEFT-arrow key or EXIT (Menu-key to the left). To go back to measuring
mode press EXIT.
Connectors on Swema 3000, 3000d and md.
3000md also has TC connector.
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6
PC programs
A program, SwemaTerminal 2, for tranfering data via
USB is included on the CD with this manual. SwemaTer-
minal 2 can also be downloaded on www.swema.com.
SwemaTerminal 2 is used for updating the Swema 3000
(instructions on www.swema.com).
230V adapter, connects to USB.port. (Part.no. 764.610).
RS232-cable for Com-port. (Part.no. 759.030)
The PC-program SwemaMultipoint (Part.no. 763.710)
The Swema Multipoint can be used to log data of the
two variables showed on the LCD of the Swema 3000.
Swema MultiPoint can monitor and log up to 8 Swema
3000 and present it in a live graph.
Swema Multipoint can also be used to create the PPD,
PMV and Draught index according to ISO 7730.
For ISO 7730, two Swema 3000, one SWA 03, one
black globe thermometer and one HygroClip2-S are
needed.
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The different probes for Swema 3000
Hot Wire Anemometers
SWA 31 or SWA 31E. Ø 8...10mm, 66 cm long,
SWA 31E extendable up to 116 cm.
0...10 m/s (option 10...30 m/s) and temperature -20...80°C.
Possible measuring modes: AP, APF, AS, ASF, LOG and LOGP.
Extend the probe to the desired length.
Both holes must be clear for air to pass.
Do not pull the cable to close probe.
Orientation advice: Turn the arrow so
that the mark on the bottom part
of the telescope stem points in the
same direction as the arrow.
The air velocity measurement can be
influenced by how the holes are
located in the flow. See graph.
Differential pressure
SWA 07: ±7000Pa,
SWA 10 and Swema 3000md: -100...1500Pa.
SWA 10 has a built in valve that automatically zero checks the pressure.
Possible measuring modes: APF (with pito static pipe), DPF (k-factor),
AP, AS and LOG.
It is important to show zero pressure at the actual zero pressure.
Otherwise there will be an offset influencing all measurements.
The differential pressure probes SWA 07 and 10 and Swema 3000md can be zeroed to display
zero when no pressure is connected. Press the ZERO button when no pressure is connected.
The probe is zeroed for this position. Do not change position when measuring.
Auto Zero ON with SWA 10 or Swema 3000md
SWA 10 and Swema 3000md has an inbuilt zero valve. Auto Zero is set to ON by default.
By the built in valve the zero pressure point is automatically checked every time you take a
measurement by pressing ”ENTER”. When working in this way you never need to calibrate zero
manually. Warning: Zeroing may take long time: time constant + 3 sec. If a 4 second time constant
is selected it will take 7 seconds to take a measurement.
Auto Zero OFF with SWA 10 or Swema 3000md
With Auto zero Off no zero check is done automatically. The measurement takes shorter time. Due
to very stable zero point zero checking is sometimes not needed.
See Menu2 to select Auto Zero ON or OFF
SWA 10 has a small position dependence of ±0,3Pa. When you use Auto Zero On and hold the
SWA 10 in firm position during zero point checking this error disappears.
The SWA 07 is sensitive to tilting in the longitudinal direction, a 90° tilt producing a change of 4-5
Pa. It is recomended to use the SWA 07 with the magnet holder Art. No. 760.020. SWA 07 is sen-
sitive for temperature schocks. Avoid holding your hand on the SWA 07. Temperature changes of
this type will cause zero drift that may take 1-2 minutes to dissappear. The temperature compen-
sation works for slow changes. It is possible to log over several hours with minimal zero drift.
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Flow captures
SwemaFlow 65: 2...65 l/s,
SwemaFlow 125: 2...125 l/s and
SwemaFlow 2000: 4...900 l/s.
Possible measuring modes: AF, BP (only with SWF 125), AS, LOG and AP.
Draught probe
SWA 03: 0,05...3,0 m/s (omni directional) and 10...34°C.
SWA 03 fulfils ISO 7726.
Possible measuring modes: CO, AS, LOG and LOGP.
Relative humidity and temperature
All probes 0....100%RH
Temperature: HygroClip2-S -40…..200°C depending on sensor
Possible measuring modes: AP, AS and LOG.
Temperature
Black globe, SWA 53, SWT 315, SWT 215 and with temperature handle SWA 25 also SWT 14, 18,
22, 28, 39, 50, 51 and 53.
-50°C to 280°C depending on probe.
Possible measuring modes: AP, AS and LOG.
CO2
Connect the Airtest to save and log carbon dioxide values.
Possible measuring modes: AP, AS and LOG.
Radio/BlueTooth modem for balancing of ventilation
SwemaTwin transfers measured values on the reference valve from one Swema 3000 to another
through radio/BlueTooth modem or 40 meter cable. The flow relation between them is displayed,
which makes adjustment according to the proportional method an easy task for just one person.
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The different modes used in Swema 3000
Choose mode by pressing the MENU1-KEY and move the marker to ”Mode” with the UP/DOWN
arrow key. Press ENTER, SET or right ARROW KEY and choose mode with the UP/DOWN arrow
keys. Confirm your choice with ENTER, EXIT or LEFT arrow key. Set the parameter for the cur-
rent modes in the same way. Press EXIT to start measuring.
APF (Average Point air Flow) Measured points are taken with ENTER Average, max, min and
measured points are showed on the display. The Swema 3000 calculates the air flow in l/s or m3/h.
Enter the diameter, height x width or area direct. If you choose to indicate the height and width or
diameter of the duct, the Swema 3000 calculates the effective area = the actual area times the
duct factor k2 in accordance with the recommended measurement methods. The duct factor can
be turned off in MENU2. Use the APF mode for measuring the flow in ducts.
DPF (differential Pressure air Flow). Available with a differntial pressure probe SWA 10 or SWA
07 or with inbuilt manometer on Swema 3000md. The flow in the measurement of pressure drop
across devices is directly obtained in l/s or m3/h.
Insert k- factor, and the Swema 3000 calculates the air flow according to the formula: q = k sqrt(∆P).
The specific k-factor is supplied by the manufacturer of (exhaust and supply) ventilation valves.
AF (Average air Flow) Only available with SwemaFlow 2000, 125 and 65. Average Flow is calcu-
lated during selectable measuring time.
BP (Back pressure (air flow)) Only available with SwemaFlow 125. This mode is for measurement
over supply and exhaust valves to compensate the possible drop in air flow created by the flow
capture. BP mode calculates the real flow - the flow not infuenced by the flow capture.
AP (Average Point). By using the ENTER button the average is formed from measurements with
any probe (except SWA03). Average, max, min and number of measured points are shown.
AS (Auto Sampling). The Swema 3000 continuesly collects measured values at the interval set by
the Sampling Rate. Use AS mode for example if you want to measure average velocity, max, min,
and standard deviation at a point.
ASF (Auto Sampling air Flow). Used with SWA 31 to measure in l/s or m3/h through valves.
Sweep over openings in laminar flow hoods/cabinet and over rectangular exhaust and supply
ventilation grilles. Select and enter the height x width or area direct into the Swema 3000.
ASF does not calculte the are with a k2-reduction - ASF is not intended for measuring in ducts.
There we recommend to use APF instead.
CO (Comfort draught of air). Only available with the omni directional draught probe, SWA 03.
CO mode measures average velocity, temperature and standard deviation over a selectable period
of time. DR (Draught Rating) is presented in the automatic saved note. The DR indicates the per-
centage of people that would find the draught unpleasant. The DR is based on experiments con-
ducted at the Technical University in Copenhagen, directed by Professor Fanger. DR is included
as a measure of undesirable air movements in the ISO 7730 standard adopted for indoor climates.
For a complete ISO7730 measurement use the SwemaMultipoint program.
LOG/LOGP Collects readings over a longer time period. Select interval and time constant for LOG.
LOGP is especially developed to be used with SWA 03 draught probe to present the draught rate
(ISO 7730) but can be used for other probes aswell. During a ”Measure Time” the instrument con-
tinuesly measures with the selected Time Constant. When the measure time has passed it stops
and starts again with a new ”Measure Time” at the choosen Protocol interval.
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Measuring with APF (Average Point air Flow)
Possible probes are: SWA 31, SWA 31E or SWA 07 or SWA 10 with pito static pipe or Swema 3000md.
Use the APF mode for measuring the flow in ducts.
Swema 3000 calculates the flow in l/s or m3/h by multiplying the
air velocity with the duct area.
Reduction of Flow When selecting a circular or rectangular
duct it is recommended to reduce the flow by a k2-factor.
(According to ”Methods for measuring air flow in ventilation sys-
tems”) The air velocity is reduced close to the walls of the duct
because of friction. Set the k2-factor to ON in the Settings for
automatic compensation. Air Flow=Velocity x k2 x area. To use a
non reduced area set the k2 to OFF, see settings.
When a differential pressure probe is connected the Swema
3000 calculates the air velocity with the formula:
Velocity = sqrt (2 ∆P /ρ)
∆P= dynamic pressure =total pressure - static pressure (Pa)
ρ= density of air = 1,293 x (B x 273)/(1013 x (273 + t)) (kg/m3)
B = barometric pressure (calculated standard value 1013hPa)
t = Air temperature ºC (calculated standard value 20ºC)
(With Swema 3000d or md with Thermocople, the measured B
and t are used in the formula.)
Connect the air velocity probe or pressure probe with pito static
pipe and press ON. Swema 3000 is in measuring mode.
Press the MENU1-KEY and move the marker to ”Mode” and
change to APF.
Set the PARAMETERS for measuring mode APF:
Time Constant, update of the displayed value (for more infor-
mation see Time Constant under Technical Data).
Ø set the diameter of the duct you want to measure. Move the
marker to ”Ø” with the up/down arrow key. Press ENTER or SET
and choose the diameter. Choose among standard diameters
with the up / down arrow key. To set the diameter to your choice
press EDIT and change with the arrow keys. Press EXIT or EN-
TER to confirm.
H x W set the height and width of the duct you want to measure.
Move the marker to ”H x W” with the up/down arrow key. Press
ENTER or SET and choose height with the arrow keys. Press
ENTER or OK and set the width with the arrow keys.
Press ENTER or EXIT to confirm.
Area set the area of the duct. (k2 reduction will not be made)
Choose mode by pressing the MENU1-
KEY and move the marker to ”Mode” with
the up/down arrow key. Press ENTER or
SET and choose mode with the up/down
arrow key. Confirm with EXIT or ENTER.
Set the parameters and press EXIT to
start measuring.
When measuring, collect values with the
ENTER button. When values are col-
lected the display will show average-,
maximum-, minimum-values and number
of measurements.
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Recomended measuring points for circular and rectangular ducts
From ”Methods for measuring air flow in ventilation systems”, by the Nordic Ventilation Group and the Building Re-
search Council, 1998, ISBN 91-540-5827-9. For D≤400, k2 values are from NBI report Nordtest-proj. No. 1463-99.
Circular cross-section: *)
D≤ 160 mm → k2 = 0,92 (SWA 31), 0,89 (Pito Static Pipe)
160 < D ≤ 400 mm → k2 = 0,96 (SWA31), 0,95 (Pito Static Pipe)
400 < D ≤ 1250 mm → k_ = 0,98
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Unit choose the unit you want to measure with l/s, m3/h
or CFM.
Atmospheric pressure see Menu1
Temperature see Menu1
See Note Book, Log Book and File
Auto zero (For differentail pressure)
See Menu2, The different probes for Swema 3000.
To manaully zeroing the pressure sensor - press the Zero button.
When all parameters are set press the EXIT-button to get back
to measuring position. Swema 3000 will show selected Ø,
Height x Width or Area.
Collect values with the ENTER-button. When values are col-
lected the display will show average-, maximum-, minimum-
values and number of measurements. When all values are
collected you can choose if you want to clear or save your
measurement.
To clear press the CLEAR-button and to save press the SAVE-
button. If you press the SAVE-button the instrument saves
your measurement at the first free memory place in the note
book memory. The instrument also give a short signal and dis-
plays the memory place for a few seconds. See Note Book.
Please Note! If Swema 3000 with an inbuilt barometer and
thermoelement is used. The displayed Avg, Max and Min va-
lues are then calculated by the barometric pressure and tem-
perature value at the different measuring points. When saving
the measurment a mean value of the barometric pressure and
temperature will be saved . The mean values will then be used
to calculate the saved values in the Note book.
When measuring in a duct it is necessary to do this where the duct is straight. According to
”Methods for measuring air flow in ventilation systems” the straight length before and after the
measurement position must at least be:
Round ducts
Rectangular ducts
Before measuring position
a ≥5 x D
a ≥6 x Dh
After measuring position
a ≥2 x D
a ≥2 x Dh
Dh=Hydraulic diameter (Diameter or corner to corner for rectangular ducts)
When all values are collected you can
choose if you want to clear or save your
measurement.
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13
The flow in the measurement of pressure drop across valves
is directly obtained in l/s or m3/h.
q = k sqrt (∆P)
The k-factor is supplied by the manufacturor of the valve.
It should be defined so that result comes out in liter/s.
If you would like the result in m3/h then still use the k-factor
that is valid for liter/s calculation and the Swema 3000 will
calculate to m3/h.
Set the PARAMETERS for measuring mode DPF:
Time Constant, update of the displayed value (for more infor-
mation see Time Constant under Technical Data).
K-factor In Swema 3000 you have a memory for 20 K-fac-
tors. It is useful when there are different k-factors for different
positions of the valve. Move the marker to ”K-factor” with the
UP/DOWN arrow key. Press ENTER or SET and choose with
the UP/DOWN arrow keys which K-factor memory place (1-
20) you want to set. Press EDIT and edit your K-factor with
the arrow keys. Confirm your choice by pressing ENTER or
EXIT two times.
Unit choose the unit you want to measure with l/s, m3/h or
CFM.
Atmospheric pressure see Menu1
Temperature see Menu1
Auto zero See Menu2, The different probes for Swema 3000.
To manaully zeroing the pressure sensor - press the Zero button.
See Note Book, Log Book and File
When all parameters are set press the EXIT-button to get
back to measuring position. Swema 3000 will show selected
K-factor the pressure and the air flow. You can change bet-
ween the stored k-factors by pressing UP/DOWN ARROW-
buttons. Collect values with the ENTER-button. When values
are collected the display will show average-, maximum-, mini-
mum-values and number of measurements. When all values
are collected you can choose if you want to clear or save your
measurement (you can change to another k-factor until values
are cleared or saved) .
Measuring with DPF (Differential Pressure air Flow)
Possible probes with DPF are: SWA 07 or SWA 10 and Swema 3000md.
See Differential pressure in the section The different probes for Swema 3000.
When measuring, collect values with the
enter button. When values are collected
the display will show average-, maximum-,
minimum-values and number of measure-
ments.
Choose mode by pressing the MENU1-KEY
and move the marker to ”Mode” with the
up/down arrow key. Press ENTER or SET
and choose mode with the up/down arrow
key. Confirm with EXIT or the ENTER. Set
the parameters and press EXIT to start
measuring.
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To clear press the CLEAR-button and to save press the SAVE-
button. If you press the SAVE-button the instrument saves
your measurement at the first free memory place in the note
book memory. The instrument also give a short signal and
displays the memory place for a few seconds.
Please Note! If Swema 3000 with an inbuilt barometer and
thermoelement is used. The displayed Avg, Max and Min va-
lues are then calculated by the barometric pressure and tem-
perature value at the different measuring points. When saving
the measurment a mean value of the barometric pressure and
temperature will be saved . The mean values will then be used
to calculate the saved values in the Note book.
Use the k-factor to calculate the air flow. Certain suppliers calculate the correction factor using the formula:
q = sqrt (Ik ∆P)
In such case you must enter: k = sqrt Ik in Swema 3000.
If the supplier has not specified a k-factor, You calculate it easily if you have a pressure-drop dia-
gram. Proceed as follows: q = k sqrt ∆P → k = q / sqrt ∆P.
Now go into the diagram for example:
∆P = 100 Pa → sqrt ∆P = sqrt 100 = 10
for Ø 100: 100Pa correspond to 50 l/s
Use the calculation for k: k= 50/10 → 5,0
So the k factor in this case was 5,0. Set this in Swema
3000 to obtain the flow in l/s, m3/h or CFM.
If the diagram does not extend to 100 Pa, select for
example 25 Pa
(sqrt 25 = 5)
When all values are collected you can
choose if you want to clear or save your
measurement.
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Measuring with AF (Average Flow)
Possible for flow captures: SwemaFlow 65, SwemaFlow 125 or SwemaFlow 2000.
If you have the SwemaFlow 125 Swema recomends BP mode.
Average Flow is calculated during selectable measuring time
and presented on the display (time constant + selected mea-
suring time). Connect the flow capture hood and press ON.
After a few seconds Swema 3000 is in measuring position.
Choose mode by pressing the MENU1-KEY and move the
marker to ”Mode” with the up/down arrow key. Press ENTER
or SET and choose mode with the up/down arrow key. Con-
firm with EXIT or the ENTER.
Set the PARAMETERS for measuring mode AF:
Start delay is the waiting time before measuring, to stabilising
the flow in the flow capture.
Sampling Time Make an average value during this time.
Flow Factor It is possible to multiply the flow with a flow fac-
tor. Flow factor=1.00 will not alter the flow. Warning: Changing
to anything else will alter the reading from calibrated value.
This can be used to compensate for example for leakage.
Unit choose the unit you want to measure with l/s, m3/h or
CFM.
Atmospheric pressure see Menu1
Temperature see Menu1
See Note Book, Log Book and File
When all parameters are set, press EXIT to start measuring.
Start measuring with the ENTER-button (or button on Swema-
Flow 125/2000). Swema 3000 will collect values and calculate
the minimum, maximum and average air flow and standard
deviation during the selected Sampling Time. When all values
are collected you can choose if you want to clear or save your
measurement. To clear press the CLEAR-button and to save
press the SAVE-button. If you press the SAVE-button (or long
press onn button on SwemaFlow 125/2000) the instrument
saves your measurement at the first free memory place in the
Note Book memory.
When measuring, Start the measuring with
the enter button. Then you can choose if
you want to clear or save your measure-
ment.
Choose mode by pressing the MENU1-KEY
and move the marker to ”Mode” with the up/
down arrow key. Press ENTER or SET and
choose mode with the up/down arrow key.
Confirm with EXIT or the ENTER.
Set the parameters and press EXIT to start
measuring.
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16
When measuring with any Flow capture the flow may be in-
fluenced by the flow capture itself. The flow may be throttled.
This can be corrected by using the Back Pressure mode. By
measuring two times with SwemaFlow 125, with and without
an extra throttle ring. Swema 3000 calculates the flow that
reflects the true flow, with no capture interference. In the same
way as AF mode the BP mode makes an average measure-
ment over time.
Connect the SwemaFlow 125 and press ON. After a few se-
conds Swema 3000 is in measuring position.
Set the PARAMETERS for measuring mode BP:
Start delay is the waiting time before measuring, to stabilising
the flow in the flow capture.
Sampling Time Make an average value during this time.
Unit choose the unit you want to measure with l/s, m3/h or
CFM.
Atmospheric pressure see Menu1
Temperature see Menu1
See Note Book, Log Book and File
When all parameters are set press the EXIT-button to get
back to measuring mode.
When measuring with the throttle ring, the ring shall always be
placed after the hot wires in the sense of flow direction.
The display will show PO 1. Place the throttle ring on the
measuring unit and place the capture over the valve and press
enter.
When ”Point 1” is measured you hear a beep and the display
shows PO 2 . Within one minute you must measure ”Point 2”
without the throttle ring otherwise the instruments returns to
”Point 1”. Remove the throttle ring and place the capture over
the valve once more and press enter. It is also possible to take
the first measure without the throttle ring and the second with
the throttle ring.
Measuring with BP (Back Pressure)
Possible probe with BP is: SwemaFlow 125
Choose mode by pressing the MENU1-KEY
and move the marker to ”Mode” with the
up/down arrow key. Press ENTER or SET
and choose mode with the up/down arrow
key. Confirm with EXIT or the ENTER..
Set the parameters and press Exit to start
measuring.
The display will show PO 1.Start with the
throttle ring on and press Enter to collect
the first value,
When ready with the first value the display
will show PO 2.
Remove the throttle ring and collect the
second value by pressing Enter. The but-
ton on SwemaFlow 125 can also be used
as a Enter-button. A long press will save a
measurement.
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After PO 2 is measured the display will
calculate the true value and show it on the
display. The display will also show point 1
& 2. Max is without the ring and Min is with
the ring. Then you can choose if you want
to clear or save your measurement.
The display will now show the true value and measuring point
1 & 2. If the measured value are flashing there is to big diffe-
rence between point 1 & 2 and the result is not reliable.
You can now choose if you want to clear or save your measu-
rement.
To clear press the CLEAR-button and to save press the SAVE-
button. If you press the SAVE-button the instrument save your
measurement at the first free memory place in the note book
memory. The instrument also give a short signal and display
the memory place for a few seconds.
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Measures the actual values of the connected probe. Calcula-
tes avgerage and display Max and Min.
Set the PARAMETERS for measuring mode AP:
Time constant, update of the displayed value (for more infor-
mation see Time Constant under Technical Data).
Unit Only for SwemaFlow: Choose the unit you want to mea-
sure with l/s, m3/h or CFM. See settings for more information.
Atmospheric pressure see Menu1
Temperature see Menu1
See Note Book, Log Book and File
When all parameters are set press the EXIT-button to get back
to measuring mode.
Collect values with the ENTER-button. When values are col-
lected the display will show average-, maximum-, minimum-
values and number of measurements. For Relative humidity
probes Swema 3000 displays the dew point and mixing ratio
(g water / kg dry air)
When all values are collected you can choose if you want to
clear or save your measurement.
To clear press the CLEAR-button and to save press the SAVE-
button. If you press the SAVE-button the instrument save your
measurement at the first free memory place in the note book
memory. The instrument also gives a short signal and displays
the memory place for a few seconds.
Measuring with AP (Average Point)
Possible with all probes except SWA 03.
Choose mode by pressing the MENU1-KEY
and move the marker to ”Mode” with the up/
down arrow key. Press ENTER or SET and
choose mode with the up/down arrow key.
Confirm your choice with ENTER or EXIT.
Set the parameters and press EXIT to start
measuring.
When measuring, collect values with the
enter button. When values are collected
the display will show average-, maximum-,
minimum-values and number of measure-
ments.
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19
AS continuesly sample values direct after each other. AS does
not save all values. Instead it calculates the average, max,
min and standard deviation of the sampled values.
Connect any probe and press ON. After a few seconds
Swema 3000 is in measuring mode.
Set the PARAMETERS for measuring mode AS:
Sampling Rate is the time Swema 3000 uses to sample
measured values, make an avarage and display the value.
Swema 3000 uses a floating mean value, i.e. for example if a
”Sampling rate” of 30s is used, Swema 3000 sample a value
2 times/second during 30 seconds (60 values) and shows an
avarage value of them. After 30 seconds the first value will be
replaced by a new and a new avarage will be calculated and
shown on the display etc. Swema 3000 always collect a va-
lue 2 times/second with a ”Sample rate” of 0,5s or higher. If a
lower sample rate than 0.5s is used Swema 3000 will sample
and display the value at the same rate the chosen ”Sample
rate”.
Unit Only for SwemaFlow: Choose the unit you want to mea-
sure with l/s, m3/h or CFM. .
Atmospheric pressure see Menu1
Temperature see Menu1
See Note Book, Log Book and File
When all parameters are set press the EXIT-button to get
back to measuring mode.
Start and stop measuring with the ENTER-button. Swema
3000 will collect values and calculate the average. It will also
calculate standard deviation, number of measuring points and
maximum and minimum.
When using a differential pressure AS will calculate the air
velocity, assuming a pito static pipe is connected to the diffe-
rential pressure probe. When all values are collected you can
choose if you want to clear or save your measurements.
To clear press the CLEAR-button and to save press the SAVE-
button. If you press the SAVE-button the instrument saves the
measurements at the first free memory place in the note book
memory. The instrument also gives a short signal and displays
the memory place for a few seconds.
Measuring with AS (Auto Sampling)
Possible with all probes
Start and stop the sampling by pressing
Enter. When the sampling are done you
can choose if you want to clear or save
your measurement.
Choose mode by pressing the MENU1-KEY
and move the marker to ”Mode” with the
up/down arrow key. Press ENTER or SET
and choose mode with the up/down arrow
key. Confirm your choice with ENTER or
EXIT. Set the parameters and press Exit to
start measuring.
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20
Same as AS, but the Swema 3000 calculates the flow in l/s or
m3/h. In ASF mode the area is not reduced by a k2 -factor.
Use ASF mode for example to measure the flow and air ve-
locity in fume hoods and over grilles. ASF is not intended for
measuring in ducts and diameters and duct coefficient are
therefore omitted.
Connect the air velocity probe and press ON. After a few se-
conds Swema 3000 is in measuring mode.
Set the PARAMETERS for measuring mode ASF:
Sampling Rate is the time Swema 3000 uses to sample
measured values, make an avarage and display the value.
Swema 3000 uses a floating mean value, i.e. for example if a
”Sampling rate” of 30s is used, Swema 3000 sample a value
2 times/second during 30 seconds (60 values) and shows an
avarage value of them. After 30 seconds the first value will be
replaced by a new and a new avarage will be calculated and
shown on the display etc. Swema 3000 always collect a va-
lue 2 times/second with a ”Sample rate” of 0,5s or higher. If a
lower sample rate than 0.5s is used Swema 3000 will sample
and display the value at the same rate the chosen ”Sample
rate”.
H x W set the height and width of the duct you want to mea-
sure.
Area set the area of the duct.
Unit choose the unit you want to measure with l/s or m3/h.
Atmospheric pressure see Menu1
Temperature see Menu1
See Note Book, Log Book and File
Measuring with ASF (Auto Sampling Flow)
Possible probes with ASF are: SWA 31 or SWA 31E.
Start and stop the auto sampling flow by
pressing Enter.
Choose mode by pressing the MENU1-KEY
and move the marker to ”Mode” with the
up/down arrow key. Press ENTER or SET
and choose mode with the up/down arrow
key. Confirm your choice with ENTER or
EXIT. Set the parameters and press Exit to
start measuring.
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Start and stop measuring with the ENTER-button. Swema
3000 will collect values and calculate the average air flow and
temperature. It will also calculate standard deviation, num-
ber of measuring points and maximum and minimum air flow.
When all values are collected you can choose if you want to
clear or save your measurement.
To clear press the CLEAR-button and to save press the
SAVE-button. If you press the SAVE-button the instrument
saves your measurement at the first free memory place in the
note book memory. The instrument also gives a short signal
and displays the memory place for a few seconds.
Measure the total flow by gently sweeping the probe across the surface. Set the time constant as
low as possible.
When the sampling are done you can
choose if you want to clear or save your
measurement.
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22
CO mode measures average velocity and temperature and
standard deviation. In the note book you can also view DR
(Draught Rating). DR indicates as a percentage how many
people find the draught unpleasant. DR is included as a mea-
sure of undesirable air movements in the ISO 7730 standard
adopted for indoor climates. DR is based on experiments
conducted at the Technical University in Copenhagen, directed
by Professor Fanger.
Connect the draught probe and press ON. After a few seconds
Swema 3000 is in measuring mode.
Set the PARAMETERS for measuring mode CO:
Display Time The display can be updated with an interval of
0,5, 0,25 or 0,1 seconds.
Measure time Over the Measure Time the measurements
are sampled. Each measurement is sample with the internal
sampling rate during 0,1s. From these measurements the
average, max, min, standard deviation and draught rating is
calculated. ISO 7730 suggests 3 minutes as Measure Time.
Atmospheric pressure see Menu1
Temperature see Menu1
See Note Book, Log Book and File
When all parameters are set press the EXIT-button to get
back to measuring mode.
Start the draught measurement with the ENTER-button. Swe-
ma 3000 will take measurments during the selected measuring
time and will automatically save to the first free memory place
in the note book. The instrument also gives a short signal and
displays the memory place for a few seconds.
Measuring with CO (Comfort)
Possible probe with CO is: SWA 03.
The measurment is automatically saved in
the note book. To see the draft rate, press
the MENU-key and move the marker to
Note Book and press enter.
Choose mode by pressing the MENU1-
KEY and move the marker to ”Mode” with
the up/down arrow key. Press ENTER or
SET and choose mode with the up/down
arrow key. Confirm your choice with
ENTER or EXIT. Set the parameters and
press EXIT to start measuring.
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23
Collects readings at user-selectable intervals and time con-
stant. Use LOG mode to measure throughout longer time.
(Ex: variations of air flow and pressure throughout 24-hours.).
Connect an 230V adapter if you want to log longer time than
12 hours.
Connect any probe and press ON. After a few seconds
Swema 3000 is in measuring position.
Set the PARAMETERS for measuring mode LOG:
Time constant, update of the displayed value (for more infor-
mation see Time Constant under Technical Data).
Interval is the time between when Swema 3000 saves a va-
lue, the value saved is the one shown on the display.
Atmospheric pressure see Menu1
Temperature see Menu1
See Note Book, Log Book and File
When all parameters are set press the EXIT-button to get back
to measuring position.
Start and stop the log with the ENTER-button. If a Time Con-
stant of 10s or higher is used an information about when the
next log point will be is shown on the display.
After the second push on ENTER (or on SAVE) the Swema
3000 will save the collected measurements to the first free
memory place in the log book. The instrument also gives a
short signal and displays the memory place for a few seconds.
When using a differential pressure probe with LOG an auto ze-
roing will be made before every log point (Time constant must
be 10s or higher and Auto zero in MENU2 must be set ON).
Measuring with LOG (Logging)
Possible with all probes
Choose mode by pressing the MENU1-KEY
and move the marker to ”Mode” with the up/
down arrow key. Press ENTER or SET and
choose mode with the Up/down arrow key.
Confirm your choice with ENTER or EXIT.
Set the parameters and press Exit to go to
measuring position.
Start and stop the log with the ENTER-but-
ton.
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LOGP is Log series of measurements presented in protocols
(notes) with maximum, minimum, average and the standard
deviation. Each protocol (note) represents one measuring
serie.
Set the PARAMETERS for measuring mode LOGP:
Time constant, update of the displayed value (for more infor-
mation see Time Constant under Technical Data).
Measure Time here you select the length of the measuring
series. Swema 3000 calculate average, maximum, minimum
and standard deviation of the selected ”Measure Time”.
Log Interval here you select in which interval a measuring
serie will start. From the start of one protocol (Measure time)
to the start of the next.
tmospheric pressure see Menu1
Temperature see Menu1
See Note Book, Log Book and File
When all parameters are set press the EXIT-button to get back
to measuring mode.
Start and stop the log with the ENTER-button. Swema 3000
open a new ”File” and log series and save them to the first free
memory place in the log book in the new ”File”. The instrument
also give a short signal and display the memory place for a
few seconds. If you stop the logging before the end of the first
serie, no data is saved.
Measuring with LOGP (Logging Protocols)
Possible probe with LOGP is: SWA 31, SWA 31E and SWA 03.
Start and stop the log with the ENTER-but-
ton.
In this example:
Each serie is set to 3 minutes. After one
serie is finished another one starts after 7
minutes.
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Note Book, Log Book and File
To access the Note Book or Log Book press ”MENU1” key.
To access ”Note Book” select one of the following modes: AP,
APF, AS, ASF, DPF or CO.
To access ”Log Book” select mode LOG or LOGP.
Note Book / Log Book
To see the Notes (measurements) in the active file, move the mar-
ker to ”Note Book” or ”Log Book” with the UP/DOWN arrow keys.
Press Enter, Set or right arrow. Browse between your measu-
rements with the UP/DOWN arrow keys. Connect a PC-cable.
To transfer a note or log file to a PC just press Print. A long
press on print will transfer the complete log book or note book.
For software’s see SwemaTerminal and Swema Multipoint.
Erase with the ERASE-button. If you erase in ”Note Book” you
can choose to either erase the Note or the whole File, in ”Log
Book” you always erase the whole File.
Exit with the EXIT-button.
File
To access Log Files select Mode LOG or LOGP
To access Note Files select any other Mode.
Files are used when you want to group your measurements.
The total Air Flow for all Notes in a File can be added when
printing out a file. See Add Flow in Settings.
To start a new file, to access measurements in another file,
or to erase the last or all files, move the marker to ”File” with
the UP/DOWN arrow keys.
Select SET, ENTER or right button to enter the File menu.
To start a new file for ”Note Book” press ENTER when you are
in the File menu. A new File for ”Log Book” are created when a
new log with LOG or LOGP is made
To erase the last file press Erase. Select OK to Erase the last
file. Press All to erase all Files. If you select OK the last file is
emptied. All measurements are areased from the last file, but
new measurements have to be put in this file. Therefor the
display shows ”New empty File X”. X is the number for the
File you just erased. If you erase one more File File X will be
erased and File X-1 will be emptied.
Browse between your log files with the UP/DOWN arrow keys.
When you have selected the file you want to see, press Exit.
Now you can see you measurements our log files by going to
the ”Note Book” or ”Log Book” as described above.
To transfer to a PC. Connect a PC-cable. Press Print while
you are in the File-menu. A long press will transfer the com-
plete note/log book. See SwemaTerminal.
Open your Note or Log files by moving the
marker to ”Note Book” or ”Log Book” with
the arrow keys and press Enter.
In the Note Book or Log Book:
Alter between your notes with UP/DOWN
arrow keys.
This is also how the note will look like on
the PC.
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26
Leakage tester for Building
To control the leakage tester automatically a Swema 3000md
and a SWA 10 or SWA 07 are needed. The built in differential
pressure sensor in Swema 3000md is used to measure the
over / under pressure in the room/building, connect the pres-
sure hose on the positive pressure connector (marked with
+). The externally connected differential pressure probe (SWA
07/SWA 10) is used to measure the leakage flow, connect the
pressure hose on negative pressure connector (marked with -).
Connect the cable from the leakage tester to the RS232 con-
tact on Swema 3000md also connect SWA 07/10 to Swema
3000md. Turn Swema 3000md on and do following settings in
MENU1.
Mode
Choose either Building in or Building Out depending on if you
have set up the leakage tester inside (Building in) or outside of
the room (Building in).
K-factor
Set the K-factor as marked on your orifice plate on leakage
tester. The orifice plate has 2 different K-factors depending
on which way the air direction i.e. if you are measuring over
or under pressure. The K-factors are marked on orifice plate
with arrows to indicate the direction. The air direction are also
shown in the menu on Swema 3000md as arrows. Use the
UP/DOWN-arrow keys to change the K-factor. Press SELECT
to either change the ”Forward K-factor” --> or ”Reverse K-fac-
tor” <--.
Unit
There are 4 units to choose from: l/s, m3/h, l/sm2 or m3/hm2.
l/sm2 or m3/hm2 is the relationship to the surface area on the
object leakage tested.
Temperature
Set the temperature of the air going through the orifice plate
(ambient temperature). Swema 3000md compensates for air
desity by using this temperature and the barometric pressure.
The temperature can also be measured by using a thermo-
couple type-k connected to Swema 3000md.
Pressure Step
Here you set the step size of Pa as you wish Swema 3000md
will change when measuring. If 10 Pa is set, the desired pres-
sure will increase or decrease by 10 Pa at the time, i.e. at an
increase it will start at 0 Pa and continue in increments of 10,
20, 30 Pa, etc..
I-factor
Swema 3000md uses a PID-regulation to control the fan (70 is
standard). Here another I-factor can be set if desired.
Set the Mode to ”Building in” or ”Building
Out” Menu1.
Set the ”Forward K-factor” (-->) and
”Reverse K-factor” (<--) according to the
marking on your orifice plate. Also set
the unit you want to show your measured
values in.
How to connect hoses on Swema 3000md
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27
Make a measurement
Press EXIT to go to measuring mode. Before you start mea-
suring the differential pressure probes must be zeroed by
pressing ”ZERO”, both pressure probes will now be zeroed.
In measuring mode the display will show 4 measuring para-
meters. The largest digits at the top are the leakage flow (l/s,
m3/h, l/sm2 or m3/hm2) and below the leakage flow is the
pressure drop over the orifice plate which is used to calculate
the leakage flow. The two pressures that are displayed with
small digits at the bottom is: to the left the set point (the pres-
sure you want to achieve) and to the right is the true value (the
pressure you measure in reality).
Measurement can be done either manually or automatically.
If you press on ”Set Parameters” this win-
dow will be displayed. Here the indoor and
outdoor temperature, the wind outdoors
and surface area can be set. The area
that is set here will be used for calculation
of the units l/sm2 and m3/hm2.
Measuring mode for leakage testing of
building. Make sure that both the differen-
tial pressure probes are zeroed. Use the
UP/DOWN buttons to measure manually.
Press ENTER button to start an automatic
measurement and as a first step measure
the over/under pressure.
Set Parameters
Here a number of external parameters are set. NOTE! only the
”Area” can have an effect on the measurement result, the other
parameters are stored only in the saved protocol.
Parameters
Indoor: Current temperature of the room
Outdoor: Outdoor temperature
Wind: The wind outdoors
Area: Surface area (the area set here will be used for calcula-
tion of the units l/sm2 and m3/hm2).
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Manually
When Swema 3000md in measuring position, you can use the
UP/DOWN-arrow buttons to choose a pressure set point that
you want the fan to achieve. When pressing the UP/DOWN
buttons the set point value will increased/decreased in steps
according to what is set in ”Pressure Step” in MENU1. The
leakage tester will automatically stabilize at your desired set
point and the leakage flow can be read.
Automatically
The automatic measurement consists of 3 phases. First the
over/under pressure in the room to be tightness tested is
measured. This is done by inserting a sealing balloon into the
opening of the orifice plate, the pressure shown direct under
the leakage flow is the over/under pressure. Press the ENTER
button and Swema 3000md will make an average of pressure
over 20 seconds. When it is done use the UP / DOWN but-
tons to set the pressure where you want to start measuring
at. Press the ENTER button and Swema 3000md will regulate
it selves and save the measured values at the different pres-
sures going down or up to 0 Pa. The pressure steps Swema
3000md do on the way to 0 Pa, is set in Menu1 under ”Pres-
sure Step”. Once then measurements are completed the over/
under pressure should be measured again in exactly the same
way as the first time, insert a sealing balloon into the orifice
plate and press ENTER button.
When it’s done, you are asked if you want to save the measu-
red values, press Save and the measurements are saved in
the Note Book.
Saved measuring protocol of a leakage
test on a room or building.
SE-123 56 FARSTA
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29
Leakage tester for Duct
To control the leakage tester automatically a Swema 3000md
and a SWA 10 or SWA 07 are needed. The built in differential
pressure sensor in Swema 3000md is used to measure the
over / under pressure in the duct, connect the pressure hose
on positive pressure connector (marked with +). The externally
connected differential pressure probe (SWA 10/SWA 07) is
used to measure the leakage flow, connect the pressure hose
on negative pressure connector (marked with -).
Connect the cable from the leakage tester to the RS232 con-
tact on Swema 3000md. Turn Swema 3000md on and select
measuring mode DUCT in MENU1.
K-factor
Set the K-factor you have on your orifice plate on the leakage
tester.
Area
Set the surface area you have in the duct that you wish to test.
The area set here is used to calculate l/sm2 and m3/hm2 if this
unit is selected
Tightness Class
Here you set the density class you want to test the duct
against. You can choose between Class A, B, C or D. In the sa-
ved protocol your choice of class will be used to calculate and
show the limit for the leakage of your test. The limit depends
on which class you choose and at what pressure you test at.
Unit
There is 4 different measuring units to choose from: l/s, m3/h,
l/sm2 or m3/hm2. l/sm2 and m3/hm2 is calculated by the sur-
face area set under Area.
I-factor
Swema 3000md uses a PID-regulation to control the fan (1000
is standard for duct leakage tester). Here another I-factor can
be set if desired.
Temperature
Set the temperature of the air going through the orifice plate
(ambient temperature). Swema 3000md compensates for air
density by using this temperature and the barometric pressure.
The temperature can also be measured by using a thermo-
couple type-k connected to Swema 3000md.
Set the Mode to Duct in Menu 1.
Set the K-factor you have on your orifice
plate. Also set the surface area, tightness
Class and the unit you want to show your
measured values in. The surface area
you set will be used to calculate the units
l/sm2 and m3/hm2.
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30
Make a measurement
When measuring Swema 3000md should be set to measure
with the external pressure probe, ”INT.” should be shown in the
square to the left of the Menu-keys (it is also possible to mea-
sure with the internal pressure sensor, but then the pressure
hoses must be changed).
Before you start measuring both differential pressure probes
must be zeroed. Press INT. to access the built-in pressure
probe in Swema 3000md, press ”ZERO” . Press on EXT. to go
back to the externally connected pressure probe and zero it.
In measuring mode the display will show 4 measuring para-
meters. The largest digits at the top are the leakage flow (l/s,
m3/h, l/sm2 or m3/hm2) and below the leakage flow is the
pressure drop over the orifice plate which is used to calculate
the leakage flow. The two pressures that are displayed with
small digits at the bottom is: to the left the set point (the pres-
sure you want to achieve) and to the right is the true value (the
pressure you measure in reality).
Use the UP / DOWN buttons to change the set point to the
pressure you want to measure at, wait until Swema 3000md
has stablized the true value at that pressure. Make a measure-
ment by pressing the ENTER button.
Measuring mode for leakage testing of
ducts. Make sure that both the differen-
tial pressure probes are zeroed. Use the
UP/DOWN buttons to choose the set point
you want to measure at. Press ENTER
button to make a measurement.
In the saved protocol your choice of class
will be used to calculate and show the
limit for the leakage of your test. The limit
depends on which tightness class you
choose and at what pressure you test at.
SE-123 56 FARSTA
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31
Potentiometer
Standby
Press this button to stop the auto and
manuell control and put the control unit
in standby.
Automatic control
Press this button for autmatic control
by Swema 3000md.
Manual control
Press this button if you wish to control
the leakage tester manually with the
potentiometer.
If the power cable is unplugged and the standby (Off reset) button has not been pressed the control unit
will remember the last used control alternative. So when the power cable is plugged in again the control
unit will go to either automatic or manual mode depending on what was last used.
Control unit for leakage tester
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32
Measuring with SwemaTwin - Balancing of ventilation
There are two different kind of SwemaTwin, one using BlueTooth modems and one using Radio
modems.
BlueTooth Modem:
A complet SwemaTwin BlueTooth package contains of two BlueTooth modems that shall be con-
nected to the RS232 contact on the Swema 3000. There is also a ”Repeater” that contains 2pcs
BlueTooth modems connected to each other by a cable, the modems are attached to a holder with
magnets for easily placement on for example a ventilation duct.
The BlueTooth modems are paired together two and two and are only able to communicate with
the modem it’s paired to. At delivery the modems are marked with either ”1” or ”2”, the modems
marked with ”1” is paired to each other the same for the two modems marked with ”2”. They will
stay paired to each other until the ”reset button” on the modem is pressed.
As can be seen in the drawing the BlueTooth
modems on the two Swema 3000 is not
paired to each other at delivery, they are
paired to the BlueTooth modems on the
repeater. By doing this the length of the
transmission signal between the two Swema
3000 can be amplified by placing the repea-
ter between the two Swema 3000. To get a
transmisson between the two Swema 3000
it’s therefore important that the modems on
the BlueTooth repeater are turned on as well,
it’s not possible to only use the modems on
Swema 3000. You can however change
placement of the modems and connect both modems marked with ”1” (or ”2”) directly to the two
Swema 3000.
After the BlueTooth modems are connected to Swema 3000 turn all 4 BlueTooth modems ON
(small switch on the side of the modems). When the BlueTooth modems are connected to each
other the small ”Connected” LED will flash green on the modems (make sure that all modems
have their battery charged if you don’t get connection).
Radio Modem:
A package of SwemaTwin radio modems contains two radio modems and two cables that shall be
connected to the RS232 contact on the Swema 3000. Connect one modem each to the Swema
3000 and turn the radio modems on by pressing the TWO buttons marked with a red square on
the modem. The batteries for the modems will also power the Swema 3000.
Settings in Swema 3000:
Go to MENU2 in Swema 3000 and set as following:
”Communication” set to RS232
”Baud Rate” set to 4800
Master unit (the instrument you bring with you)
”Swema Twin” set to On
Reference unit (the instrument you leave at the reference valve)
”Swema Twin” set to Off
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Displayed Values:
When measuring, the Master shows the measuring values of both the Master and the Reference.
If the same measuring unit is set on both instrument the master will also show the relation:
Master in % of the reference instrument: (Master / Reference)*100%.
Note! If for example l/s is set to one instrument and m3/h is set to the other no percentage will be
calculated.
The relation is very handy when doing ventilation system adjustments according to the proportio-
nal method.
When no connection is establish between the Master and Reference the Master display will show
”----” where the Reference measurement should have been displayed. If so please check:
1. Make sure that all modems are turned on and that they are charged.
2. Make sure that the cables are connected to Swema 3000:s RS232 contact and that the anten-
nas are attached to modems.
3. Check the Communication and BaudRate settings and also check that only the ”Master” is set
to SwemaTwin ”ON” in Swema 3000 MENU2.
4. If using BlueTooth modems please check that the modems are connected (the ”Connect” LED
will flash green if connected, if not connected the ”Mode” LED will be green). If the LED is not
flashing try first to turn the modems OFF and ON again. If they still don’t connect make sure that
the switches on the BlueTooth modems are set to BaudRate 4800 (switch 1, 2 and 3 should be
set to the left). Also check that the ”H/W Flow Control” switch is set to OFF (switch 4 to the left). If
they still don’t connect you might need to pair them together again (see manual delivered with the
BlueTooth modems for pairing). If you pairing is necessary you probably only needs to pair the
modems marked with ”1” or ”2”. Please check if it’s the ”1” or the ”2” that needs to be re-paired.
Balancing a ventilation system according to the Proportional method:
First decide where to place the reference instrument. The flow according to the drawing at this
place is the nominal reference flow. The other measurement points are adjusted with the Master
instrument. We call these nominal flow values from the drawing nominal Master flows.
Calculate for each Master measurement point:
(nominal Master flow/nominal reference flow x %100).
These are the relations that you shall obtain when you have balanced two diffusers/inlets/outlets.
Measure with the reference instrument on the reference in/outlet and the Master instrument on the
in/outlet you want to adjust. The relation is important and not the actual flow. The final flows will oc-
cur when the final adjustment of the total flow in the ventilation system is done.
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Swema 3000 has three menus to input measurement settings and parameters.
Menu 1
Atmospheric pressure is used when Swema 3000 does cal-
culations for air velocity and air flow.
Swema 3000 is available in three different models, Swema
3000d with a build in barometer, Swema 3000md with build
in barometer and differential pressure probe or Swema 3000
without barometer and differential pressure probe.
In Swema 3000 the atmospheric pressure can be set manually
by moving the marker to ”Atmos.P” with the UP/DOWN-arrow
key. Press ENTER or SET and set the actual atmospheric pres-
sure with the UP/DOWN-arrow key and alter digit position with
LEFT/RIGHT-arrow key. Confirm your choice with ENTER or
EXIT.
Swema 3000d / md automatically compensates for the air
density (atmospheric pressure and temperature). To turn of
the automatically compensation for the barometric pressure
and set it manually set ”Atmos.P” to ”M” (Manual) instead of
”A” (Automatic).
Temperature is used when Swema 3000 does calculations
for air velocity and air flow. Swema 3000d / md has an extra
temperature thermocouple input. Swema 3000 is without this
connector.
All Swema 3000 are temperature compensated when a probe
with a built in temperature sensor is connected. Such as hot
wire anemometer, flow capture, draught probes and relative
humidity and temperature probes.
When a differential pressure probe (SWA 10 or 07) is con-
nected to Swema 3000d or when Swema 3000md is used the
measurement is automatically temperature compensated for
the correct temperature when a thermocouple probe is connec-
ted. The thermocouple must be connected when you turn the
instrument on otherwise no temperature will be measured.
In Swema 3000 the temperature can be set manually when a
differential pressure probe is connected. Move the marker to
”Temp” with the UP/DOWN-arrow key. Press ENTER or SET
and choose temperature with the arrow keys and alter position
withLEFT/RIGHT-arrow key. Confirm your choice with ENTER
or EXIT.
Highlight the parameter you want to
change and press Enter or SET.
Change the parameter with the arrow keys
and press Enter or EXIT to confirm.
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Menu 2
Swema Twin
ON or OFF
Only when you us SwemaTwin, set ON at
your master unit
Communication
USB or RS232
Communicate via USB (cable 764.430) or
RS232 (cable 759.030) to your PC.
Baud Rate
2400, 4800, 9600, 19200 or 57600
Normally 4800 for SwemaTwin, 9600 for
PC-transfer (RS232 cable).
Add Flow
ON or OFF
If set to ON. Swema 3000 will add the
flow from each measurement in one file
and present a total flow.
Protocol
SHORT or LONG
Here you specify if you want a long or
short protocol (note) at PC-printout.
1 Unit Decimal
0, 1, 2, 3 or 4, Select number of decimals
for the big digits. The number of decimal
on the display will be acording to what
you choose here until a fifth digit is
needed. The display can only show four
big digits on the same row at the same
time. Because of this one decimal will
disapper. When saving a measured
value the number of decimal will be
the same as shown on the display.
2 Unit Decimal
0, 1 or 2, Select number of decimals for
the small digits
Auto Zero
ON or OFF
When you have a SWA 10 pressure probe
connected or uses a Swema 3000md you
can choose automatic zeroing when you
collect values.
k2 Factor
ON or OFF
Set ON if you want Swema 3000 to calcu-
late with a k2-factor. See APF mode.
ON:
Flow = air velocity * k2 * area
OFF: Flow = air velocity * area
Move in the menu with the up/down arrow
keys. Press Enter, Set or right arrow key to
select.
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Menu 3
Time/Date Set clock/date
Adjust Clock Set a value to compensate the clock error
Auto off Set the automatic shut down time
Unit System
SI or US
Set which units you want to use Metric
(SI) or American (US).
Contrast Set display constast
Print Out
Select if you want comma or point separa-
tion at PC-print out. Excel uses either
comma or point.
Language
English, German, Swedish, Finnish,
French, Danish, Norwegian, Dutch or
Polish.
Set the language you wuold like to use.
Change with the up/down arrow keys.
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SwemaTerminal 2
SwemaTerminal 2 is a PC-program that can be used to data transferring and updating of firmware in Swe-
ma 3000 (visit www.swema.com or contact Swema for possible firmware update). SwemaTerminal 2 and
driver for USB communication is delivered together with Swema 3000 on the CD (also available for down-
load on www.swema.com).
Follow the instructions on the CD how to install the program and USB driver. Set Swema 3000 to USB com-
munication in MENU2, connect the USB cable to the computer, turn the instrument on and start SwemaTer-
minal 2. First you need to establish contact with the Swema 3000 by pressing ”Search” in swemaTerminal
2, Swema 3000 will then appear in the box below. Click on the ”Open” button to the right of the ”Search”
button and a text of ”Device is ready” will show the Swema 3000 is now connected to SwemaTerminal 2.
Your saved measurement can now be printed to the computer as described in the chapter Note Book, Log
Book and File. The data will be read and added to the bottom of the text window to the left. This text can
be saved, copied to the clipboard or cleared. It is also possible to open earlier saved data. The data can be
edited in this window.
The right part (sorting and graphs) of SwemaTerminal 2 can be used to sort Log files and SWA 03/31 Logp
files. First print the Log or Logp file (the screen must must be cleared by pressing ”Clear input data”) you
want sorted and then press ”Sort” after you have chosen the file you want sorted (choose between SWA 03
Logp, SWA Log or SWA 31 Logp).
The button ”Start Logging” in the lower left corner instructs the Swema 3000 to send the display values at
selected interval by, the lowest interval you can choose is 10Hz (0,1s).
If you press Enter on the computer keyboard the calibration protocol of the connected probe will be printed
to the computer.
f you press ”space” on the computer keyboard the displayed value will be printed.
If you press ”v” on the computer keyboard the protocol for the instrument will be printed.
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Time constant
The Swema 3000 always measures continouesly with the internal instrument sampling rate of
40Hz.
Differential pressure probes and all other probes when measuring in LOG and LOGP
The displayed value is an average made from the measured values during the time constant.
When logging with LOG or LOGP or measuring with differential pressure probes below 0.4 Pa and with
a Time Constant set to 0.25 seconds the actual Time Constant is 4 seconds.
Below 0.4 Pa and with a Time Constant set between 0.5 and 8 seconds the actual time constant is 8
seconds.
All probes (not differtial pressure probes) except when you are in LOG and LOGP
The measured values are filtered before they are displayed. After a period equal to the Time Constant
90% of a change to an end value is displayed. After 1.5 x Time Constant 99% of the end value is dis-
played. After 1.8 x Time Constant 99.9% of the end value is displayed.
General
The displayed value are updated every 0,5s except when the time constant is 0.25 or 0.1 second. Then
the display is updated at this rate.
For the SWA 03 draught probe the time constant is always 0,1 second.
The displayed values are also the values that are used to calculate the average, max, min, stan-
dard deviation in AP, APF, DPF, LOG and LOGP mode. In CO mode 0,1 second averages are
used to present these values.
Displayed values and saving measurment
Small and big digits
When in measuring mode both small and big digits can be used. Normally big digits are used but
sometimes the display changes and shows small digits instead. The small digits will be displayed
when the time constant is set to 0.1s or when the displayed vaule don’t fit, i.e. a positve value with
more than 5 digits or a negative value with more than 4 digits.
Number of decimals
Number of decimals shown in the dispaly are according to what is set in MENU” until a 5:th digit
are needed, then one decimal dissapers because the display can only show 4 big digits. When
saving a value the number of decimal saved is the same as displayed.
Saving in APF and DPF mode
If Swema 3000 with an inbuilt barometer and thermoelement is used (Swema 3000d and Swema
3000md), the displayed Avg, Max and Min values are then calculated by the barometric pressure
and temperature value at the different measuring points. When saving the measurment an avera-
ge value of the barometric pressure and temperature will be saved. The avarage values will then
be used to calculate the saved values in the Note book.
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Swema 3000 instrument:
Instrument temperature:
0...+50°C
Memory capacity,
Note book - Log book:
approx. 1 600 notes or 14 000 pairs of
values or 20 000 singel values
Interchangeability accuracy:
Negligible in relation to accuracy of probes.
Digital Output:
RS232, send ”:” or ”Space”. Swema 3000 sends the
displayed value (big digits) or (big and small digits)
Transmitting rate max 10 times/second (Time constant 0.1s)
USB
Battery:
2 x 1,5V AA
Battery life with SWA 31 at 1 m/s:
13 hours with NiMH, 17 hours with alkaline
Use the 230V-adapter (764.610) for continuous operation.
Battery with backlight on:
5,5 hours with NiMH, 8,5 hours with alkaline
Instrument Calibration:
Recommended every 5 year
Only on Swema 3000d part no. 764.201 Barometer 600...1200hPa, ±2,5hPa
and Swema 3000dm part no. 764.202
Thermo couple Type K -270...1370°C
±0,3°C at -10...70°C
Technical Data
The uncertainty of measurement for each probe is stated below as the uncertainty for the probe to-
gether with a calibrated Swema 3000. The uncertainty is stated with coverage probability of 95%.
Included in the uncertainty for each probe is the uncertainty for Swema 3000, interchangeablity,
calibration, temperature dependence, hysteresis and repeatability.
The user should correct the measured values with the correction on the probe calibration protocol
to obtain stated accuracy.
Draught probe, SWA 03:
Measuring range of velocity
0,05...3,0 m/s at +10...+34°C
Measuring media
Non condensing, non moist air, <80%RH, non aggressive
gases
Accuracy (m/s) at 23°C:
±0,03 m/s at 0,05... 1,00 m/s
±3% read value at 1,00...3,00 m/s
at 10…34°C:
±0,04 m/s at 0,05... 1,00 m/s
±4%read value at 1,00...3,00 m/s
Response time of velocity sensor:
0,2 sec.
Measuring range of temperature:
+10...+40°C
Accuracy (°C):
±0,3°C at 20°C
±0,5°C at 10...+40°C
Probe Calibration:
Recommended every 6 months.
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Air velocity probe, SWA 31/SWA 31E:
Ø8mm at top, Ø10mm first step on telescope (handle)
Measuring media
Non condensing, non moist air, <80%RH, non aggressive
gases.
Measuring range of velocity
0,1...30 m/s at -10...+45°C
Accuracy (m/s)
at 20°C:
0,10...1,33 m/s ±0,04 m/s
1,33...30 m/s ±3% of read value
at other:
0,10...1,10 m/s ±0,05 m/s
1,10...30 m/s ±4,5% of read value
Measuring range of temperature:
-20...+80°C
Accuracy (°C):
±0,3°C at 20°C
±1,0°C at -20...+80°C
Probe Calibration:
Recommended every 12 months.
Pressure probe
Swema 3000md
Swema3000mdH+ SWA 10
SWA 07
Pressure range
-300... 1500 Pa
± 10 000 Pa
-300... 1500 Pa
± 7 000 Pa
Accuracy
at 20°C
±0,3% read value,
Minimum ±0,3Pa
±1% read value,
minimum ±2,5 Pa
±1% read value,
minimum ±0,3Pa
After zeroing:
±0,3Pa ±2%
read value
Max. overload
± 20 000 Pa
± 100 000 Pa
± 20 000 Pa
± 35 000 Pa
Temperature
dependence
0,2 Pa/°C
0,2 Pa/°C
0,2 Pa/°C
0,4 Pa/°C
Working tempera-
ture
0… 50°C
Long-term stability
Zero point:
Full measuring
range:
0,1% Full scale/year - avoid by zeroing probe
0,1% Full scale/year
Measuring media
Non condensing, non moist air, <80%RH, non aggressive gases
Probe Calibration
Recommended every 12 months
Temperature: SWA 14/50/51/52/54/55/56 and SWT 315
Measuring range (probe depending):
-50...+450°C
Interchangeability accuracy:
max ±0.1°C
Probe Calibration:
Recommended every 24 months.
Sensors:
According DIN 43760 (approx. ±0.5 °C
at room temperature.)
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SwemaFlow 125:
Flow measurement range:
2-125 l/s (7 - 450 m3/h)
The instrument always displays 0 when the flow is below
2 l/s (7 m3/h).
Measuring media:
Non condensing, non moist air, <80%RH, non aggressive
gases
Accuracy (l/s, m3/h):
ca ± 3% read value, min ± 1 l/s
Temperature range
-10...+50 °C
Accuracy (°C):
± 0.3 °C at 20 °C
± 0.5 °C at other
Probe Calibration:
Recommended every 6 months.
Battery:
In the Swemaflow 125 there is a rechargeble battery pack of nickel-metal-hydride type (NiMH). A
full charged battery last a normal working day. At high Air flow it may last a shorter time.
Indication when battery has to be recharged.
When the battery is nearly empty the battery symbol on the Swema 3000 blinks. When the bat-
tery is completely empty the Swema 3000 turns itself off. (When the Swema 3000 battery is nearly
empty the battery symbol is continously lit. When the battery is empty Swema 3000 turns itself off.)
Charge the battery
Use the charger that is delivered together with the SwemaFlow 125. Do not use another charger
which may be dangerous.
Connect first the charger to a wall connector and secondly to the SwemaFlow 125. A red diod is
lit on the SwemaFlow 125 when charging. The red diod is blinking when the battery is to warm or
cold. Disconnect and wait until the temperature is between 10 and 45°C. When the battery is fully
charged the red diod turns off. (blinks on older version, 2005).
It takes one hour to charge the battery.
Swema recommends to wait about half an hour before measuring after charging the battery (The
diod has turned off) to let the SwemaFlow 125 cool down.
The battery is protected from over charging and when the battery is charged, trickle charging will
go on until the battery charger is disconnected.
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SwemaFlow 65:
Flow measurement range:
2-65 l/s (7 - 230 m3/h)
below 2 l/s the instrument displays 0. Above 65 l/s the
display blinks - then the value is uncertain.
Measuring media
Non condensing, non moist air, <80%RH, non aggressive
gases
Accuracy at 18…30°C:
± 4% read value, minimum ± 1 l/s
at 10…18, 30…40°C:
± 6% read value, minimum ± 1 l/s
Probe Calibration:
Recommended every 6 months.
Battery:
The Swemaflow 65 has a rechargeble nickel-metallhydrid (NiMH) battery pack.
A full charged battery last a normal working day. At high Air flow it may last a shorter time. When
the battery is nearly empty the battery symbol on the Swema 3000 blinks and the red diod on
SwemaFlow 65 is shut off. When the battery is completely empty the Swema 3000 turns itself off.
Use the charger that is delivered together with the SwemaFlow 65. Do not use another charger
which may be dangerous. It takes approx. 3 hours to charge the battery.
The battery is protected by over charging and it may also be charged before it is empty.
Humidity and Temperature SWHP 28 and Hygroclip2 probes + cable:
Relative Humidity range:
0...100%RH
Measuring media:
Dry and moist air, non-aggressive gases
Accuracy:
SWHP 28 at 23°C:
± 1,5%RH at 0...100%RH
Hygroclip2 at 23°C:
± 0,8%RH at 0...100%RH
Temperature range:
SWHP 28:
-20...+85°C
Hygroclip2 probes:
-40…+200°C (depending on model)
Accuracy temperature:
± 0,3 °C
Probe calibration:
Recommended each 12 months.
Calculations:
Dew Point and Mixing Ratio (g water / kg dry air)
SwemaFlow 2000:
Flow measurement range:
4-900 l/s (15 - 3240 m3/h)
below 4 l/s the instrument displays 0.
Temperature range:
-10...+50 °C
Measuring media:
Non condensing, non moist air, <80%RH, non aggressive
gases
Accuracy:
± 4% read value, minimum ± 1 l/s
± 0,3°C at 20°C, ± 0.5°C at -10...+50°C
Probe Calibration:
Recommended every 6 months.
Battery charge time:
about 2 hours
Weight including flow capture 650x650mm: 3,9 kg
(4,3 kg including the Swema 3000)
Battery:
It takes two hours to charge the battery. See SwemaFlow 2000.