USER MANUAL
Mini Analog MultiMeter
Model 38073A
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Introduction
Thank you for selecting the Model 38073A Mini Analog
MultiMeter. The 38073A measures AC/DC Voltage, DC mA
Current, Resistance, dB, and 1.5V/9V batteries. This device is
shipped fully tested and calibrated and, with proper use, will
provide years of reliable service. Please visit our website
(www.extech.com) to check for the latest version of this User
Manual, Translations, Product Updates, Product Registration,
and Customer Support.
Features
Easy to read, color coded display
Analog meter with battery test
Lightweight, rugged construction
PER IEC1010 OVERVOLTAGE INSTALLATION CATEGORY III
Equipment of OVERVOLTAGE CATEGORY III is equipment in fixed
installations. Examples include switches in the fixed installation and some
equipment for industrial use with permanent connection to the fixed
installation.
Safety Information
To ensure the safe operation and service of the meter, follow these instructions
closely. Failure to observe warnings can result in severe injury.
WARNINGS
WARNINGS identify hazardous conditions and actions that could cause BODILY HARM
or DEATH
Keep hands and fingers behind the finger guards at all times.
Remove test leads before opening the meter.
Use the meter only as specified in this User Manual.
Use the proper terminals when taking measurements.
Verify the meter’s operation by measuring a known voltage.
Do not apply more than the rated voltage between terminals or between any
terminal and earth ground.
Replace blown fuses with fuses of the same type and rating.
Voltages above 30 VAC RMS, 42 VAC peak, or 60 VDC pose a shock hazard.
Do not measure voltage above 300V in CAT III installations.
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To avoid electric shock, replace batteries when necessary.
Disconnect power to the circuit under test and discharge all capacitors before
testing resistance.
Do not use the meter in the presence of explosive gas or vapor.
To reduce risk of fire or electric shock, do not use the meter if it is wet.
Individual protective equipment should be used if HAZARDOUS LIVE parts in the
installation where measurements are to be carried out could be accessible.
CAUTIONS
CAUTIONS identify conditions and actions that could cause DAMAGE to the meter or
equipment under test.
Disconnect test leads before changing the position of the rotary switch.
Do not expose the meter to extremes in temperature or humidity.
Safety Symbols
This symbol, adjacent to another symbol, indicates the user must
refer to the manual or user guide for further information.
Risk of electrical shock
Equipment protected by double or reinforced insulation
Description
Meter Description
1. Analog scale
2. Mechanical zero
3. Rotary switch
4. V-mA-Ω positive input jack
5. COM negative input jack
6. Zero Ω adjustment dial
7. Pointer needle
Shop for Extech products at:
1.888.610.7664
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