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Megger MIT400 Series User Manual

Megger MIT400 Series
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M
MIT400 Series
Insulation and continuity testers
USER GUIDE
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com

Table of Contents

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Megger MIT400 Series Specifications

General IconGeneral
Continuity Test Current200 mA
Safety RatingCAT IV 600 V
Insulation Resistance Test Voltages50V, 100V, 250V, 500V, 1000V
Voltage Range0V to 600V AC/DC
Battery Type6 x AA batteries
Safety StandardsIEC61010
Accuracy±3% ±2 digits

Summary

Introduction to the User Guide

Safety Warnings and Precautions

Instrument Symbols Explained

General Description and Case Contents

Standard Case Contents

Lists the items included in the instrument's case.

All Instruments Case Contents

Details the standard accessories and components supplied with the instrument.

Preparations for Instrument Use

Battery Installation and Replacement

Information on battery installation and replacement for the instrument.

Preliminary Test Lead Check

Procedure to verify the condition and functionality of test leads before use.

General Operating Instructions

General Operating Safety Note

Crucial safety advice regarding voltage limits and hazardous conditions.

Instrument Functions and Display

General Functions Overview

Description of the main features and controls of the MIT430 instrument.

LCD Display Details

Detailed explanation of the instrument's Liquid Crystal Display (LCD) and its indicators.

Voltage Warning Function

Information about voltage warnings and automatic inhibition of tests.

Backlight Operation

Instructions on how to use and manage the instrument's backlight.

Test Lead Connections

Standard Test Leads Connection

Guidance on connecting standard test leads to the instrument's sockets.

SP5 Switched Probe Usage

Instructions for using the SP5 switched probe for hands-free testing.

Voltage and Frequency Measurements

TRMS Measurement Note

Explanation of True Root Mean Square (TRMS) measurement behavior.

General Insulation Resistance Testing

Insulation Testing Safety Note

Crucial safety warnings specific to high-voltage insulation resistance testing.

Automatic Discharge Feature

Explanation of the automatic discharge feature after insulation tests.

Standard Insulation Resistance Testing

Step-by-step guide for performing standard insulation resistance tests.

Timed Insulation Resistance Tests

Standard Count Down Timer (t)

Explanation of the standard count down timer function for timed tests.

Polarization Index (PI) Test

Definition and calculation of the Polarization Index (PI) test.

Dielectric Absorption Ratio (DAR) Test

Definition and calculation of the Dielectric Absorption Ratio (DAR) test.

Timed Procedure Warning

Warning about pressing the PI/DAR/t button which may alter test modes.

MIT40X Specific Testing

Continuity Testing and Buzzer Function

Resistance Measurements (kΩ Range)

Capacitance Measurements

Capacitance Measurement Procedure

Step-by-step guide for performing capacitance measurements.

Distance Measurement by Capacitance

How capacitance is used to measure cable distance on specific models.

Setup Options and Procedure

Setup Options Overview

Details on various setup options for configuring instrument settings and thresholds.

Setup Procedure Guide

Step-by-step guide on how to navigate and change instrument setup parameters.

Test Results Management

Saving Test Results

Procedure for storing measurement results in the instrument's memory.

Recalling Test Results

Instructions for retrieving previously stored test results.

PI and DAR Result Recall

How to recall and view PI and DAR test results.

Recalling PI or DAR Results

Steps to recall PI or DAR measurement results from memory.

Deleting Test Results

Deleting a Single Test Result

Step-by-step guide to delete individual test results.

Deleting All Test Results

Step-by-step guide to delete all stored test results.

Downloading Test Results via Bluetooth

Bluetooth Communications Setup

Guide to setting up Bluetooth communication between the instrument and PC.

Bluetooth Pairing Procedure

Steps to pair the instrument with a computer via Bluetooth.

Standard Download Operation

Steps for performing standard data downloads after initial setup.

Battery and Fuse Management

Battery Condition and Replacement

How to check battery status and replace the batteries.

Blown Fuse Indicator

Explanation of the blown fuse indicator and its meaning.

Preventive Maintenance

Instrument Specifications

Insulation Specifications

Technical details and accuracy for insulation resistance measurements.

Continuity and Resistance Specifications

Technical details for continuity and resistance measurements.

Voltage and Capacitance Specifications

Technical details for voltage and capacitance measurements.

Fuse, Safety, and Application Details

Fuse Specifications

Fuse requirements and rating for replacement.

Safety Protection and Application

Instrument's safety compliance and application definition.

Environmental Conditions

Operating conditions, humidity, temperature effects, and altitude.

Error Definitions

Basic and Service Error Definitions

Instrument inaccuracy under ideal and real-world conditions.

Accessories List

Included Accessories

Lists the standard accessories that come with the instrument.

MIT430/MIT485 Specific Accessories

Lists accessories specific to the MIT430 and MIT485 models.

Optional Accessories and Replacements

Lists optional accessories and replacement parts available for purchase.

Repair and Warranty Information

Warranty Void Warning

Warning that unauthorized repairs void the instrument's warranty.

Calibration, Repair, and Parts Service

Information on obtaining calibration, repair services, and spare parts.

Product Return Procedure

Procedure for returning the instrument for service or recalibration.

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