CONTENTS
1SAFETY....................................................................................................................5
2GENERAL DESCRIPTION AND FEATURES OF THE INSTRUMENT.........6
3SWITCHING ON AND GENERAL SETTINGS ..................................................8
3.1 POWER SUPPLY......................................................................................................8
3.2 START TEST AFTER SWITCHING THE METER ON.........................................................8
3.3 GENERAL SETTINGS -MENU .................................................................................9
3.3.1 Setting date and time ...................................................................................10
3.3.2 Communication with PC..............................................................................11
3.3.3 Firmware update .........................................................................................11
3.3.4 Setting the bar-code reader .........................................................................12
3.3.5 Printer Settings............................................................................................13
3.3.6 Transferring data to a pen-drive .................................................................14
3.3.7 Setting nominal network voltage .................................................................15
3.3.8 Setting current values in the measurement of RPE on IEC lead test.............16
3.3.9 Configuration of settings from PC...............................................................16
4MEASUREMENTS................................................................................................19
4.1 PRELIMINARY TEST...............................................................................................20
4.2 MEASUREMENT OF PROTECTIVE LEAD RESISTANCE USING 200 MACURRENT..........21
4.3 COMPENSATION OF THE TEST LEAD RESISTANCE DURING THE MEASUREMENT OF THE
PROTECTIVE LEAD RESISTANCE USING 200 MACURRENT (AUTO-ZERO).................24
4.4 MEASUREMENT OF PROTECTIVE LEAD RESISTANCE USING 10/25 A CURRENT .........24
4.4.1 Two-wire measurement of protective lead resistance using 10/25 A
current.........................................................................................................25
4.4.2 Compensation of the test lead resistance during the measurement of the
protective lead resistance using 10 A or 25 A current (auto-zero)..............26
4.4.3 Three-wire measurement of protective lead resistance using 10/25 A
current.........................................................................................................27
4.4.4 Four-wire measurement of protective lead resistance using 10/25 A
current.........................................................................................................27
4.5 MEASUREMENT OF INSULATION RESISTANCE.........................................................28
4.5.1 RISO measurement on devices of Class I.......................................................28
4.5.2 RISO measurement on devices of Class II (III)..............................................30
4.5.3 Three-point RISO measurement on welding equipment.................................31
4.6 MEASUREMENT OF SUBSTITUTE LEAKAGE CURRENT ..............................................33
4.7 MEASUREMENT OF PE LEAKAGE CURRENT ...........................................................35
4.8 MEASUREMENT OF DIFFERENTIAL LEAKAGE CURRENT ..........................................37
4.9 MEASUREMENT OF TOUCH LEAKAGE CURRENT .....................................................38
4.10 MEASUREMENT OF LEAKAGE CURRENT IN THE PRIMARY CIRCUIT OF THE WELDING
MACHINE USING PAT IP ADAPTER.......................................................................39