METREL MI 3295, Инструкция по эксплуатации

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MI 3295 Step Contact Voltage Measuring System Table of contents
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Table of content
1 Preface ....................................................................................................................... 5
2 Safety and operational considerations .................................................................... 6
2.1 Warnings and notes.............................................................................................. 6
2.2 Battery and charging of MI 3295M ........................................................................ 6
2.2.1 New battery cells or cells unused for a longer period ..................................................... 8
2.3 Standards applied ................................................................................................ 8
3 Instrument description MI 3295M Meter ................................................................ 10
3.1 Front panel ......................................................................................................... 10
3.2 Connector panel ................................................................................................. 11
3.3 Back panel ......................................................................................................... 11
4 Instrument description MI 3295S Station............................................................... 13
4.1 Front panel ......................................................................................................... 13
4.2 Instrument set and accessories .......................................................................... 14
4.2.1 Standard set ................................................................................................................... 14
4.2.2 Optional accessories ...................................................................................................... 14
5 MI 3295M Meter operation ....................................................................................... 15
5.1 Organization of display ....................................................................................... 15
5.1.1 Battery indication ............................................................................................................ 15
5.1.2 Warnings and messages ............................................................................................... 15
5.2 Backlight and contrast adjustments .................................................................... 16
5.3 Function selection .............................................................................................. 16
5.4 Settings .............................................................................................................. 16
5.4.1 Language ....................................................................................................................... 17
5.4.2 Help screens .................................................................................................................. 17
5.4.3 Initial settings .................................................................................................................. 17
5.4.4 Date and time ................................................................................................................. 18
5.4.5 Synchronization .............................................................................................................. 18
6 MI 3295S Station operation ..................................................................................... 20
6.1 Organization of displays ..................................................................................... 20
6.2 Warnings and messages .................................................................................... 20
6.3 Help screens ...................................................................................................... 21
6.4 Contrast adjustments .......................................................................................... 21
6.5 Function selection .............................................................................................. 21
6.6 Settings .............................................................................................................. 22
6.6.1 Language ....................................................................................................................... 22
6.6.2 Initial settings .................................................................................................................. 22
6.6.3 Date and time ................................................................................................................. 23
6.6.4 Output power range ....................................................................................................... 23
6.6.5 Alarm .............................................................................................................................. 23
7 Measurements ......................................................................................................... 24
7.1 Theory of measurements .................................................................................... 24
7.1.1 General on earthing ....................................................................................................... 24
7.1.2 General on specific earth resistance ............................................................................. 25
7.1.3 Measurement ................................................................................................................. 25
7.2 Step voltage, Contact/Touch voltage and Potential ............................................ 28
7.2.1 Injection of test current ................................................................................................... 28