METREL SmarTEC, Instruction Manual

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MI 3121 Smartec Insulation / Continuity Table of contents
3
1 Preface.........................................................................................................................5
2 Safety and operational considerations.....................................................................6
2.1 Warnings and notes...............................................................................................6
2.2 Battery and charging .............................................................................................8
2.2.1 New battery cells or cells unused for a longer period .....................................9
2.3 Standards applied................................................................................................10
3 Instrument description.............................................................................................11
3.1 Front panel ..........................................................................................................11
3.2 Connector panel ..................................................................................................12
3.3 Back panel...........................................................................................................13
3.4 Display organization ............................................................................................14
3.4.1 Function field ................................................................................................14
3.4.2 Result fields..................................................................................................14
3.4.3 Message field ...............................................................................................15
3.4.4 Auxiliary monitor...........................................................................................15
3.4.5 Battery indication..........................................................................................15
3.4.6 Other messages ...........................................................................................15
3.4.7 Backlight.......................................................................................................16
3.5 Instrument set and accessories ...........................................................................16
3.5.1 Standard set .................................................................................................16
3.5.2 Optional accessories ....................................................................................16
4 Instrument operation................................................................................................17
4.1 Function selection................................................................................................17
4.2 Settings ...............................................................................................................18
4.2.1 Initial settings................................................................................................18
4.2.2 Date and time ...............................................................................................19
4.2.3 Commander..................................................................................................20
5 Measurements ..........................................................................................................21
5.1 Insulation resistance............................................................................................21
5.2 Resistance of earth connection and equipotential bonding ................................. 23
5.2.1 RLOW, 200 mA resistance measurement ....................................................23
5.2.2 Continuous 7 mA resistance measurement CONT.......................................24
5.2.3 Compensation of test leads resistance.........................................................26
5.3 Voltage and frequency.........................................................................................27
6 Data handling ............................................................................................................29
6.1 Memory organization ...........................................................................................29
6.2 Data structure ......................................................................................................29
6.3 Storing test results...............................................................................................30
6.4 Recalling test results ...........................................................................................30
6.5 Clear / recall options............................................................................................31
6.5.1 Clearing complete memory content..............................................................31
6.5.2 Clearing individual results at selected location .............................................32
6.6 Communication....................................................................................................33
7 Maintenance ..............................................................................................................34
7.1 Fuse replacement................................................................................................34
7.2 Cleaning ..............................................................................................................34
7.3 Periodic calibration ..............................................................................................34
7.4 Service ................................................................................................................34