CONTENTS
1 SAFETY .................................................................................................................... 5
2 MENU ........................................................................................................................ 6
2.1 WIRELESS TRANSMISSION ........................................................................................ 6
2.2 SETTINGS OF MEASUREMENTS ................................................................................ 7
2.2.1 Network voltage and frequency ..................................................................... 7
2.2.2 Main result of short circuit loop impedance measurement ............................ 8
2.2.3 Measurement settings .................................................................................... 8
2.2.4 Cell autoincrementing ................................................................................... 8
2.3 SETTINGS OF THE METER ........................................................................................ 9
2.3.1 LCD contrast ................................................................................................. 9
2.3.2 LCD backlight .............................................................................................. 10
2.3.3 Auto-OFF settings ....................................................................................... 10
2.3.4 Date and time............................................................................................... 10
2.3.5 Factory (default) settings ............................................................................. 11
2.3.6 Program update ........................................................................................... 11
2.4 LANGUAGE SELECTION ......................................................................................... 11
2.5 INFORMATION ABOUT MANUFACTURER ................................................................. 11
3 MEASUREMENTS ................................................................................................ 12
3.1 MEASUREMENT OF ALTERNATING VOLTAGE AND FREQUENCY ................................ 12
3.2 CHECKING CORRECTNESS OF PE (PROTECTIVE EARTH) CONNECTIONS .................. 12
3.3 MEASUREMENT OF CURRENT, ACTIVE POWER, REACTIVE POWER, APPARENT POWER
AND COSΦ COEFFICIENT...................................................................................... 13
3.4 MEASUREMENT OF SHORT CIRCUIT LOOP PARAMETERS ......................................... 14
3.4.1 Measurement of short circuit loop parameters in L-N and L-L circuit ....... 14
3.4.2 Measurement of short circuit loop parameters in L-PE circuit ................... 16
3.4.3 Measurement of short circuit loop impedance in L-PE circuit protected with
residual current device (RCD) .................................................................... 18
3.4.4 Prospective short-circuit current ................................................................. 19
3.5 MEASUREMENT OF RESISTANCE-TO-EARTH ........................................................... 20
3.6 MEASUREMENT OF RCD PARAMETERS .................................................................. 22
3.6.1 Measurement of RCD disconnection current ............................................... 23
3.6.2 Measurement of RCD disconnection time .................................................... 25
3.6.3 Automatic measurement of RCD parameters............................................... 27
3.7 MEASUREMENT OF INSULATION RESISTANCE ......................................................... 30
3.7.1 Double-lead measurement ........................................................................... 30
3.7.2 Measurements with AutoISO-1000c adapter ............................................... 33
3.7.3 Measurements by means of leads with UNI-Schuko outlet plug (WS-03 and
WS-04) ......................................................................................................... 34
3.8 LOW-VOLTAGE MEASUREMENT OF RESISTANCE ..................................................... 36