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METREL MI 2088 User Manual

METREL MI 2088
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Earth - Insulation Tester
MI 2088
User Manual
Version 1.0, Code no. 20 750 325
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METREL MI 2088 Specifications

General IconGeneral
Test Voltage50 V, 100 V, 250 V, 500 V, 1000 V
Phase SequenceYes
Power and THDYes
Testing of Insulation Monitoring Devices (IMDs)Yes
Data LoggingYes
PC SoftwareYes
Power SupplyRechargeable battery
Dimensions250 x 120 x 70 mm
TypeMultifunction Installation Tester
Harmonics AnalysisYes
Touch VoltageYes
IlluminationYes
DisplayLCD
Measurement CategoryCAT III 600 V, CAT IV 300 V
Operating Temperature-10 °C ... +50 °C
Storage Temperature-20°C to 60°C
Safety StandardsEN 61557

Summary

Introduction to the Earth - Insulation Tester

General Description of the Instrument

Describes the Earth - Insulation Tester as a professional, multifunctional, portable instrument for various measurements.

Important Safety Warnings

Provides essential safety warnings to ensure operator safety and instrument integrity during use.

Measurable Parameters List

Details the parameters measurable by the instrument, including Earth Resistance, Continuity, and Insulation Resistance.

Applied Standards and Regulations

Lists the European safety and EMC standards the instrument is designed according to.

Instrument Description and Components

Front Panel Layout and Controls

Details the layout and controls of the instrument's front panel, including buttons and display.

Connector Panel Functions

Explains the different connectors on the instrument for test cables and PC communication.

Bottom Side Features

Illustrates and describes features on the bottom side of the instrument, such as carrying strips and battery compartment.

Instrument Accessories and Carrying Methods

Lists standard/optional accessories and demonstrates carrying methods for the instrument.

Measurement Procedures and Instructions

Insulation Resistance Measurement Guide

Provides detailed steps and warnings for performing Insulation Resistance measurements on various objects.

Voltage Measurement Procedure

Explains the procedure for measuring voltage, useful for locating faults and safety checks.

Continuity of Protection Conductors Measurement

Details the process for measuring continuity of protection conductors before mains voltage connection.

Continuity Measurement Function

Explains the use of the continuity function for terminal connections and equipment repair.

Earth Resistance Measurement Methods

Covers Earth Resistance measurement using internal generator via four-lead, clamp, and two-clamp methods.

Specific Earth Resistance (Resistivity) Measurement

Explains how to measure Earth Resistivity, crucial for defining earthing system parameters.

Current (True RMS) Measurement with Clamp

Details the procedure for measuring current using a test clamp, including leakage and phase current.

Varistor Over-voltage Protection Device Testing

Guides the user on measuring the breakdown voltage of varistor over-voltage protection devices.

Memory Management and Instrument Settings

Storing Test Results for Documentation

Explains the procedure for storing test results in the instrument's memory for documentation.

Recalling Stored Measurement Results

Details the steps required to recall previously stored test results from the instrument's memory.

Erasing Stored Results

Provides instructions on how to erase all stored results or specific individual results.

PC Communication via RS 232

Explains how to connect the instrument to a PC for transferring test results using RS 232 communication.

Instrument Reset to Factory Defaults

Guides the user on how to perform a factory reset on the instrument to restore initial settings.

Configuring General Instrument Settings

Details how to configure general settings like mains voltage frequency and Earth Resistivity units.

Instrument Maintenance and Care

Battery Installation and Condition

Provides instructions on battery replacement, insertion, and monitoring of battery condition.

Fuse Location and Replacement

Explains the location, type, and replacement procedure for the instrument's fuse.

Cleaning the Instrument Exterior

Offers guidance on how to clean the instrument's exterior safely and effectively.

Periodic Calibration Recommendations

Recommends calibration frequency for maintaining instrument accuracy and performance.

Service and Distributor Information

Provides information on obtaining service and repairs, including producer's contact details.

Technical Specifications of the Tester

Measurement Function Specifications

Lists detailed technical specifications, ranges, resolutions, and accuracies for each measurement function.

General Instrument Characteristics

Summarizes general characteristics of the instrument, including power, dimensions, environment, and connection types.

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