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METREL EurotestCOMBO MI 3125 User Manual

METREL EurotestCOMBO MI 3125
88 pages
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EurotestCOMBO
MI 3125
MI 3125 BT
Instruction manual
Version 2.3.2, Code no. 20 751 484
Source document version: Version 2.3, Code no. 20 751 484

Table of Contents

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METREL EurotestCOMBO MI 3125 Specifications

General IconGeneral
BrandMETREL
ModelEurotestCOMBO MI 3125
CategoryMeasuring Instruments
LanguageEnglish

Summary

1 Preface

2 Safety and operational considerations

2.1 Warnings and notes

General warnings and safety precautions for instrument operation.

2.2 Battery and charging

Details on instrument power supply, battery types, and charging procedures.

2.3 Standards applied

Lists the regulations and standards the instrument complies with.

3 Instrument description

3.1 Front panel

Description and identification of controls and indicators on the instrument's front.

3.2 Connector panel

Details and location of input/output connectors on the instrument.

3.3 Back side

Description of the instrument's rear panel features and components.

3.4 Display organization

Explanation of the instrument's LCD display layout and elements.

3.5 Instrument set and accessories

Lists the standard and optional accessories included with the instrument.

4 Instrument operation

4.1 Function selection

Guide on how to select different measurement and test functions.

4.2 Settings

Instructions for configuring instrument options like language and parameters.

5 Measurements

5.1 Voltage, frequency and phase sequence

Procedure for measuring voltage, frequency, and phase sequence.

5.2 Insulation resistance

Method for performing insulation resistance tests for safety.

5.3 Resistance of earth connection and equipotential bonding

Procedure for measuring earth connection and bonding resistance.

5.4 Testing RCDs

Detailed steps for testing Residual Current Devices (RCDs).

5.5 Fault loop impedance and prospective fault current

Measuring fault loop impedance and calculating prospective fault current.

5.7 Earth resistance

Procedure for measuring earth resistance for protective measures.

5.8 PE test terminal

Procedure for testing the protective earth conductor for faults.

6 Data handling (model MI 3125 BT)

6.1 Memory organization

Overview of how measurement results are stored in instrument memory.

6.2 Data structure

Description of the instrument's memory organization and data storage levels.

6.3 Storing test results

Instructions on how to save completed test results to memory.

6.4 Recalling test results

Guide on how to retrieve stored measurement results from memory.

6.5 Clearing stored data

Procedures for deleting stored measurement data from the instrument.

6.6 Communication (model MI 3125 BT)

Information on transferring data via USB, RS232, and Bluetooth.

7 Upgrading the instrument

8 Maintenance

8.1 Fuse replacement

Instructions on how to safely replace the instrument's fuse.

8.2 Cleaning

Guidelines for cleaning the instrument's housing and surfaces.

8.3 Periodic calibration

Information on the importance and procedure for periodic instrument calibration.

8.4 Service

Information on how to obtain service or repairs for the instrument.

9 Technical specifications

9.1 Insulation resistance

Technical specifications for insulation resistance measurements.

9.2 Continuity

Technical specifications for continuity and resistance measurements.

9.3 RCD testing

Technical specifications related to RCD testing functions.

9.4 Fault loop impedance and prospective fault current

Technical specifications for fault loop impedance and prospective fault current.

9.5 Line impedance and prospective short-circuit current / Voltage drop

Technical specifications for line impedance and voltage drop measurements.

9.6 Resistance to earth

Technical specifications for earth resistance measurements.

9.7 Voltage, frequency, and phase rotation

Technical specifications for voltage, frequency, and phase rotation measurements.

9.8 General data

General technical data, operating conditions, and dimensions of the instrument.

A Appendix A - Fuse table

A.1 Fuse table - IPSC

Table of prospective short-circuit current for various fuse types.

A.2 Fuse table – Impedances at 230 V a.c. (AS/NZS 3017)

Table of fuse impedances for 230V AC systems according to AS/NZS 3017.

B Appendix B - Accessories for specific measurements

C Appendix C – Country notes

C.1 List of country modifications

List of applied modifications for specific country requirements.

C.2 Modification issues

Details on specific modifications related to country requirements.

D Appendix D - IT supply systems

D.1 Standard references

List of standard references relevant to IT supply systems.

D.2 Fundamentals

Basic principles and characteristics of IT supply systems.

D.3 Measurement guides

Guides and procedures for performing measurements in IT systems.

E Appendix E – Commanders (A 1314, A 1401)

E.1 Warnings related to safety

Safety warnings and precautions for using commanders.

E.2 Battery

Information on battery types and usage for commanders.

E.3 Description of commanders

Description and identification of commander components and features.

E.4 Operation of commanders

Instructions on how to operate the commanders.

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