Operating instructions manual [PDF] (7 pages)
- Updated: 19.06.2026
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12/14 Rev. 1
10020N manual
Contents Made in China
Product distributed by Southwire Company, LLC
One Southwire Drive, Carrollton, GA 30119
©2014 Southwire Company, LLC. All rights reserved.
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Operating Instructions
10020N 3in1 MULTIMETER
Hz%
MODE
®
TESTING EQUIPMENT
E361819
Instrucciones de Operación
MULTÍMETRO 10020N 3en 1
Introduction
WARNINGS
1
The Southwire 10020N measures AC/DC voltage and current,
resistance, frequency, and duty cycle. Other functions include
non-contact AC voltage detection, continuity and diode test.
�������������������������������������������������� This meter
is fully tested and calibrated and, with proper use, will provide
many years of reliable service.
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Instructions in this manual before using this meter.
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measurements.
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always disconnect the test leads from the circuit under test.
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�����������������������������������������������������damaged.
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electrical storms.
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Protection may be compromised.
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2
Input Limits
Function
Maximum Input
Voltage AC, Voltage DC
Frequency, Duty Cycle
Amperage µA, mA AC/DC
Resistance, Diode &
Continuity Test
600V AC/DC
600V AC/DC
Maximum Amperage 200mA,
Maximum Voltage 500V
250V AC/DC
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Max input voltage
Diode Test
Continuity Check
Display
Over range indication
Polarity
Low Battery Indication
Input Impedance
AC Response
ACV Bandwidth
Auto Power Off
Fuse
Batteries
Operating Temperature
Storage Temperature
Operating Altitude
Size/Weight
Safety
600V AC/DC
Test current 1mA max., open circuit voltage of 1.5V typical
Audible signal if the resistance is <30Ω, sound off at >150Ω
4000 count 3 -3/4 digit LCD
LCD displays “OL”
Minus (-) sign for negative polarity
“ ” symbol indicates low battery condition
>7.5MΩ (VDC & VAC)
Average responding
45 to 450Hz
15 minutes (approximately)
mA, µA ranges; 0.2A/500V fast acting Resettable Fuse
Two 1.5V AAA
41oF to 104oF (5oC to 40oC)
14oF to 140oF (-10oC to 60oC)
7000ft. (2000meters) maximum
4” x 2.165”x 1.28”/0.32 lb. (104x55x32.5mm/145g)
UL61010-1 CAT IV-600V Pollution Degree 2, CE Approved
3
Potential danger. Indicates the user must refer to the
manual for important safety information
Indicates hazardous voltages may be present
Equipment is protected by double or reinforced insulation
Indicates the terminal(s) so marked must not be connected to a circuit where the
voltage with respect to earth ground exceeds the maximum safety rating of the meter
Indicates the terminal(s) so marked may be subjected to hazardous voltages.
MAX
600 V
International Safety Symbols
Brief Description
Typical Applications
Category
Rating
Single phase receptacles
and connected loads
Three phase circuits and
single phase lighting
circuits in commercial
buildings
- Household appliances, power tools
- Outlets more than 30ft (10m) from a CAT III source
- Outlets more than 60ft (20m) from a CAT IV source
- Equipment in fixed installations such as 3-phase
motors, switchgear and distribution panels
- Lighting circuits in commercial buildings
- Feeder lines in industrial plants
- Any device or branch circuit that is close to a CAT III source
CAT II
CAT III
The measurement category (CAT) rating and voltage rating is determined by a combination of the meter, test probes and any
accessories connected to the meter and test probes. The combination rating is the LOWEST of any individual component.
CAT IV
Connection point to
utility power and
outdoor conductors
- Primary distribution panels
- Overhead or underground lines to detached buildings
- Incoming service entrance from utility
- Outdoor pumps
WARNING:
Operation is limited to CAT II applications when the insulated tips are removed
from one or both test probes. Refer to Input Limits section of this manual for maximum voltage ratings.
CAT III 1000V
CAT IV 600V
CAT II
1000V
Insulated Tip On
Insulated Tip Removed
4
Hz%
MODE
®
Maintenance
This Multimeter is designed to provide years of dependable service,
if the following care instructions are performed:
1. KEEP THE METER DRY. If it gets wet, wipe it off.
2. USE AND STORE THE METER IN NORMAL TEMPERATURES. Temperature
extremes can shorten the life of the electronic parts and distort or melt
plastic parts.
3. HANDLE THE METER GENTLY AND CAREFULLY. Dropping it can damage the
electronic parts or the case.
4. KEEP THE METER CLEAN. Wipe the case occasionally with a damp cloth.
DO NOT use chemicals, cleaning solvents, or detergents.
5. USE ONLY FRESH BATTERIES OF THE RECOMMENDED SIZE AND TYPE.
Remove old or weak batteries so they do not leak and damage the unit.
6. IF THE METER IS TO BE STORED FOR A LONG PERIOD OF TIME, the batteries
should be removed to prevent damage to the unit.
Meter Description
1. Non-contact AC voltage
detector probe tip
2. Non-contact AC voltage
indicator light
3. LCD display
4. MODE button
5. Rotary function switch
6. Flashlight
7. Flashlight button
8. Hz/% Duty Cycle button
9. Battery Cover
10. Test leads
1.
2.
9.
10.
3.
7.
6.
8.
4.
5.
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