Key Aspects: Unpacking and Inspection Guidelines, Pre-Deployment Preparation Steps, Common Issue Diagnostic Flows
Updated: 30.07.2026
Source File: 1324498.pdf
Pages: 36
Description: User reference guide for the Restek ProFLOW 6000.
Document Preview & Text Transcription
www.restek.com
Restek’s
ProFLOW 6000
Electronic Flowmeter
User Manual
Version 5.6
for cat.# 22656
No part of this manual may be reproduced in any form or by any means without the prior agreement or permission by Restek Corporation.
The ProFLOW 6000
volumetric flowmeter.
Table of Contents
Page
1.0 Introduction.............................................................................................................. 3
2.0 Specifications............................................................................................................ 3
3.0 Installing the batteries............................................................................................ 4
4.0 Battery power consumption.................................................................................. 4
4.1 Battery lifetime................................................................................................. 4
4.2 Battery charge indicator................................................................................. 4
5.0 Operating instructions............................................................................................ 5
6.0 Interpreting results.................................................................................................. 6
6.1 Flow range display........................................................................................... 6
7.0 Data collection on the PC....................................................................................... 7
8.0 ProFLOW 6000 menu structure.............................................................................. 9
8.1 Unit power up/power down........................................................................... 9
8.2 USB activation................................................................................................. 10
8.3 Adjust LCD image backlight......................................................................... 10
8.4 Show battery charge indicator.................................................................... 11
8.5 Firmware version information..................................................................... 11
8.6 Adjust auto shutoff duration....................................................................... 12
8.7 Display calibration date................................................................................ 12
8.8 Display unit serial number........................................................................... 13
9.0 Troubleshooting..................................................................................................... 13
10.0 Product back label legend.................................................................................... 14
11.0 Volumetric vs. mass flow measurements........................................................... 15
12.0 Bubble flowmeters................................................................................................. 15
13.0 Product case specifications.................................................................................. 16
14.0 Calibration and service......................................................................................... 16
Declaration of Conformity.................................................................................... 33
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1.0 Introduction
Restek’s ProFLOW 6000 Flowmeter is specifically designed for use with gas chromatography (GC) systems. The probe is applied directly to the
gas flow stream and the measured flow rate is presented on the LCD screen. Units of flow are measured in mL/min.
This unit provides continuous real-time measurements of gas streams ranging from 0.50 mL/min to 500 mL/min. Because the technology uses
volumetric flow measurement, the unit is compatible with all laboratory gases.
CAUTION: Do NOT exceed maximum operating flow rates.
Recalibration may be required if the unit has been
subjected to extreme flow rates.
Always use appropriate laboratory safety practices when
operating this device. Wear laboratory safety goggles when
operating this unit.
NOTE: There are no serviceable parts in this unit. Opening the
device—other than to change the batteries—or tampering with the
internal parts will void the factory warranty.
NOTE: To ensure accurate measurements and effective clearance of
the flow gas from the unit, DO NOT obstruct the vent holes on the
back of the unit.
NOTE: Modifying the length of tubing can cause a shift in calibration.
2.0 Specifications
Table I:
Type of measurement
Volumetric flow
Accuracy of measurements
± 2% of flow reading or ± 0.2 mL/min, whichever is greater
Power requirements
2 AA alkaline batteries 1.5 V DC each/3 V DC 200 ma
Operating flow range
0.50 to 500 mL/min
Operating temperature range
32 °-120 °F (0 °- 48 °C)
Available communication
USB data port
Warranty
One year
Calibration
NIST traceable
Yearly recalibration is recommended
Certifications
CE, Ex (see section 10.0)
Compliance
WEEE, RoHS 2, China RoHS 2 (see section 10.0)
Figure 1: Product diagrams
BACK
FRONT
3.0 Installing the batteries
This unit uses two AA alkaline batteries.
To install batteries, extend the wire stand. Open the
cover. Insert the batteries with the polarity ( and )
correctly aligned. Close the cover. (Figures 2 and 3.)
Precautions for battery replacement:
• Load the new batteries with their polarity ( and ) aligned correctly.
• Do not use rechargeable batteries.
4.0 Battery power consumption
4.1 Battery lifetime
The battery lifetime is dependent on the number of options the user
has enabled.
The unit is shipped with the most energy-demanding options disabled
(Table II).
The power saving functions can be changed.
è See Section 8.2: USB Activation
è See Section 8.3: Adjust LCD Image Backlight
è See Section 8.6: Adjust Auto Shutoff Duration
4.2 Battery charge indicator
The unit includes a battery charge indicator. Replace batteries as
needed.
è See Section 8.4: Show Battery Charge Indicator
Auto shutoff duration
6 minutes
LCD backlight
0 (off)
USB port
disabled
NOTE: Store your ProFLOW 6000 in its protective storage case
following use. Do not store this manual or any other items on top
of the ProFLOW 6000 or the unit may turn on when the storage case
lid is closed.
Table II: Default settings for the ProFLOW 6000
Figure 2: Extend the wire stand
before opening battery door.
Figure 3
Insert the batteries
as marked.
+
–
+
–
+
–
+
–
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