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Extech Instruments MA250

Extech Instruments MA250
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User's Guide
200Amp AC Clamp Meter + NCV
Model MA250
www.ponpe.com
contact:
sale@ponpe.com
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Extech Instruments MA250 Specifications

General IconGeneral
TypeClamp Meter
Power Supply9V battery
AC Current Resolution0.1A
DC Voltage Resolution0.1V
AC Voltage Resolution0.1V
Resistance Resolution0.1Ω
ContinuityYes
Diode TestYes
Data HoldYes
Max/Min HoldYes
Resolution0.1A
DisplayLCD
DC Voltage Range600V
AC Voltage Range600V
Display Count2000
Jaw Size1.2 inches
Measurement RangeAC Current, DC Voltage, AC Voltage, Resistance

Summary

Introduction

Safety

International Safety Symbols

Explanation of safety symbols used in the manual and on the device.

Overvoltage Installation Categories

Definitions of IEC CAT I, II, III, and IV for safe electrical measurements.

Safety Precautions and Warnings

Meter Description and Display Icons

Operation

Non-Contact Voltage Detector Operation

How to use the NCV detector and safety precautions for its use.

AC Current Measurements

Procedure for measuring AC current using the clamp meter jaws.

Electrical Measurements

ACDC Voltage, Frequency, Duty Cycle

Steps for measuring voltage, frequency, and duty cycle with the meter.

Resistance, Diode, Continuity

How to perform resistance, diode, and continuity tests.

Specialized Measurements

Capacitance Measurements

Instructions for measuring capacitance with the clamp meter.

Type K Temperature Measurements

Procedure for measuring temperature using a Type K probe.

Meter Features and Indicators

Maintenance and Battery Replacement

Specifications

General Specifications and Safety Approvals

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