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Introduction
Congratulations on your purchase of Extech's MA150 AC Mini 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. Non-contact AC voltage indicator light
3. Flashlight button
4. Rotary function switch
5. MAX hold and Backlight key
Safety Information
!
Caution! Refer to the explanation in this Manual
Double Insulation
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 apply voltage or current to the meter that exceeds the specified maximum:
2. USE EXTREME CAUTION when working with voltages greater than 60VDC or 25VAC rms.
These voltages are considerd a shock hazard.
3. NEVER operate the meter unless the back cover and the battery/fuse door are in place and
fastened securely.
Function
AC Current
AC/DC Voltage
Resistance, Diode, Continuity Test
6. LCD display
7. Clamp trigger
8. MODE key
9. COM input jack
10. V Ω input jack
Input Limits
Maximum Input
200A
600V AC/DC
600V AC/DC
2
9
10
MA150-EN-V2.1-3/12
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