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Introduction
Congratulations on your purchase of the Extech Model 380942 DC/AC Clamp Meter. This meter is
shipped fully tested and calibrated and, with proper use, will provide years of reliable service.
Meter Description
1. Current sense jaw
2. Measurement Trigger
3. Function switch
4. Data HOLD key
5. MAX / MIN key
6. One
-touch DCA ZERO ke
y
7.
LCD Displa
y
8.
Positive input t
e
rminal for Voltage
9. COM terminal
Safety Symbols and Information
!
Caution ! Risk of danger. Refer to accompanying documents
Caution ! Risk of electric shock
Earth (Ground)
This meter has been designed to be safe in use, but the operator must use caution in its operation.
The rules listed below should be carefully followed for safe operation.
1. NEVER appl
y voltage or current to the meter that exceeds the specified maximum:
2. USE EXTREME CAUTION when working with high voltages.
3. DO NOT measure voltage if the voltage on the "COM" input jack exceeds 600V above earth
ground.
4. ALWAYS turn off the power and disconnect the test leads before opening the back to replace
the fuse or batteries.
5. NEVER operat
e the meter unless the back cover and the battery/fuse door are in plac
e and
fastened securely.
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