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Extech Instruments MN25 User Manual

Extech Instruments MN25
15 pages
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User's Guide
MiniTec
TM
Series
Model MN25 MultiMeter
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Extech Instruments MN25 Specifications

General IconGeneral
BrandExtech Instruments
ModelMN25
CategoryMultimeter
LanguageEnglish

Summary

Warranty and Introduction

Product Warranty Information

Details the one-year limited warranty for the instrument and sensor/cable coverage.

Introduction to the Multimeter

Overview of the Extech MN25 Multimeter's features and intended use.

Safety Precautions

Maximum Input Limits

Specifies maximum input values for different functions to prevent meter damage or injury.

General Safety Rules

Lists critical safety rules for safe operation and avoiding hazards.

Safety Symbols

Symbol Explanations

Explains hazard and safety symbols found on the meter and in the manual.

Specifications

Measurement Accuracy

Details the accuracy components (% reading + digits) for various measurements.

Operating Environment

Specifies optimal temperature and humidity for reliable meter performance.

Meter Features

Describes key features like display, diode test, continuity, and input impedance.

Physical & Environmental Data

Details meter size, weight, operating altitude, and safety category.

Meter Description

Components Identification

Identifies and labels the main parts of the multimeter.

LCD Display Symbols

Explains the meaning of various symbols and abbreviations on the LCD display.

Operation

DC Voltage Measurement

Step-by-step guide for measuring DC voltage with safety tips.

AC Voltage Measurement

Step-by-step guide for measuring AC voltage with safety notes.

DC Current Measurement

Instructions for measuring DC current, including range limits.

AC Current Measurement

Instructions for measuring AC current, including range limits.

Resistance Measurement

Guide for measuring resistance, emphasizing safety and proper technique.

Battery Test

Procedure for testing 1.5V and 9V batteries and interpreting results.

Diode Test

Steps for testing diodes and interpreting forward/reverse voltage readings.

Continuity Check

Procedure for checking continuity with audible feedback.

Maintenance

Battery Replacement

Step-by-step instructions for replacing the meter's battery.

Fuse Replacement

Instructions for replacing fuses, specifying correct types.

Calibration and Repair

Support Contacts

Contact information for technical support, repairs, and calibration services.

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