MA150-en-US v2.3 06/16
2
Introduction
Thank you for choosing the Extech 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
6. LCD display
7. Clamp trigger
8. MODE key
9. COM input jack
10. V
Ω
input jack
9
10
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.
Input Limits
Function Maximum
Input
AC Current
200A
AC/DC Voltage
600V AC/DC
Resistance, Diode, Continuity Test
600V AC/DC
