METREL Instaltest 61557 MI 2087, Инструкция по эксплуатации

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MI 2087 Instaltest 61557 Table of contents
2
1. Introduction.............................................................................................................3
1.1. General description ............................................................................................3
1.2. Warnings............................................................................................................4
1.3. List of parameters measurable by the Instaltest 61557......................................5
1.4. Standards applied ..............................................................................................6
2. Instrument description...........................................................................................7
2.1. Front panel.........................................................................................................7
2.2. Connector panel.................................................................................................9
2.3. Bottom side ......................................................................................................10
2.4. Standard accessories.......................................................................................11
2.5. Optional accessories........................................................................................11
2.6. Ways of carrying the instrument.......................................................................11
2.7. Accessories required for specific measurement...............................................12
3. Measurement instructions ...................................................................................13
3.1. Insulation resistance ........................................................................................13
3.2. Varistor Over-voltage Protection Devices ........................................................17
3.3. Continuity of protective conductors ..................................................................20
3.4. Continuity .........................................................................................................24
3.5. RCD - Contact Voltage and Fault Loop Resistance .........................................26
3.6. RCD - Trip-out Time.........................................................................................29
3.7. RCD – Trip-out Current ....................................................................................32
3.8. RCD - Automatic Test ......................................................................................34
3.9. Fault Loop Resistance and Prospective Short-circuit Current ......................39
3.10. Line Resistance RL-N/RL-L and Prospective Short-circuit Current ................42
3.11. Voltage Logging .............................................................................................44
3.12. Phase rotation ................................................................................................47
3.13. Illumination .....................................................................................................49
3.14. Tracing of electric installation .........................................................................51
4. Memory and other operations .............................................................................53
4.1. Storing of test results .......................................................................................53
4.2. Recalling of stored results................................................................................56
4.3. Erasing of stored results ..................................................................................58
4.4. RS 232 communication ....................................................................................58
4.5. Reset of the instrument ....................................................................................59
5. Maintenance..........................................................................................................60
5.1. Batteries...........................................................................................................60
5.2. Fuses ...............................................................................................................61
5.3. Cleaning...........................................................................................................62
5.4. Periodic calibration...........................................................................................62
5.5. Service .............................................................................................................62
6. Technical specification ........................................................................................63
6.1. Functions..........................................................................................................63
6.2. General characteristics .....................................................................................65