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MPI-520 OPERATING MANUAL version 3.4
4
3.8.1 Measurement of resistance of protective conductors and equipotential
bonding with ±200 mA current .................................................................... 36
3.8.2 Measurement of resistance .......................................................................... 38
3.8.3 Calibration of test leads ............................................................................... 39
3.9 CHECKING SEQUENCE OF PHASES ........................................................................ 40
4 MEMORY OF MEASUREMENT RESULT DATA........................................... 42
4.1 RECORDING MEASUREMENT RESULT DATA IN THE MEMORY ................................... 42
4.2 VIEWING MEMORY DATA ....................................................................................... 44
4.3 DELETING MEMORY DATA ..................................................................................... 46
5 DATA TRANSMISSION ....................................................................................... 48
5.1 COMPUTER CONNECTION ACCESSORIES ................................................................ 48
5.2 DATA TRANSMISSION WITH USB JOINT .................................................................. 48
5.3 DATA TRANSMISSION WITH OR-1 RADIO MODULE .................................................. 48
6 POWER SUPPLY .................................................................................................. 50
6.1 MONITORING OF THE POWER SUPPLY VOLTAGE ..................................................... 50
6.2 REPLACEMENT OF BATTERIES (ACCUMULATORS) ................................................... 50
6.3 CHARGING OF ACCUMULATORS ............................................................................ 51
6.4 GENERAL PRINCIPLES REGARDING USING NI-MH ACCUMULATORS ........................ 52
7 CLEANING AND MAINTENANCE .................................................................... 54
8 STORAGE .............................................................................................................. 54
9 DISMANTLING AND UTILISATION ................................................................ 54
10 TECHNICAL DATA .............................................................................................. 55
10.1 BASIC DATA ......................................................................................................... 55
10.2 ADDITIONAL DATA ................................................................................................ 62
10.2.1 Additional uncertainties according to IEC 61557-2 (R
ISO
) .......................... 63
10.2.2 Additional uncertainties according to IEC 61557-3 (Z) .............................. 63
10.2.3 Additional uncertainties according to IEC 61557-4 (R ±200 mA) .............. 63
10.2.4 Additional uncertainties according to IEC 61557-5 (R
E
) ............................ 63
10.2.5 Additional uncertainties according to IEC 61557-6 (RCD) ........................ 64
11 EQUIPMENT ......................................................................................................... 65
11.1 STANDARD EQUIPMENT ........................................................................................ 65
11.2 OPTIONAL EQUIPMENT ........................................................................................ 65
12 POSITIONS OF THE METER’S COVER .......................................................... 66
13 MANUFACTURER ............................................................................................... 66