CONTENTS
1 SAFETY .................................................................................................................... 5
2 GENERAL DESCRIPTION AND FEATURES OF THE INSTRUMENT ......... 6
3 SWITCHING ON AND GENERAL SETTINGS .................................................. 7
3.1 POWER SUPPLY ...................................................................................................... 7
3.2 START TEST AFTER SWITCHING THE METER ON ......................................................... 8
3.3 GENERAL SETTINGS - MENU ................................................................................. 8
3.3.1 Setting date and time ..................................................................................... 9
3.3.2 Communication with PC .............................................................................. 10
3.3.3 Firmware update ......................................................................................... 11
3.3.4 Setting the bar-code reader ......................................................................... 11
3.3.5 Printer Settings ............................................................................................ 12
3.3.6 Transferring data to a pen-drive ................................................................. 13
3.3.7 Setting nominal network voltage ................................................................. 14
3.3.8 Setting current values in the measurement of R
PE
on IEC lead test (only
PAT-805) ..................................................................................................... 15
3.3.9 Configuration of settings from PC ............................................................... 16
4 MEASUREMENTS ................................................................................................ 19
4.1 PRELIMINARY TEST ............................................................................................... 19
4.2 MEASUREMENT OF PROTECTIVE LEAD RESISTANCE USING 200MA CURRENT .......... 21
4.3 COMPENSATION OF THE TEST LEAD RESISTANCE DURING THE MEASUREMENT OF THE
PROTECTIVE LEAD RESISTANCE USING 200MA CURRENT (AUTO-ZERO) .................. 23
4.4 MEASUREMENT OF PROTECTIVE LEAD RESISTANCE USING 10/25A CURRENT (ONLY
PAT-805) ................................ ................................ ........................................... 24
4.4.1 Two-wire measurement of protective lead resistance using 10/25A current
(only PAT-805) ............................................................................................ 25
4.4.2 Compensation of the test lead resistance during the measurement of the
protective lead resistance using 10A or 25A current (auto-zero)................ 25
4.4.3 Three-wire measurement of protective lead resistance using 10/25A current
(only PAT-805) ............................................................................................ 26
4.4.4 Four-wire measurement of protective lead resistance using 10/25A current
(only PAT-805) ............................................................................................ 27
4.5 MEASUREMENT OF INSULATION RESISTANCE ......................................................... 27
4.5.1 R
ISO
measurement on devices of Class I ....................................................... 28
4.5.2 R
ISO
measurement on devices of Class II (III) .............................................. 29
4.6 MEASUREMENT OF SUBSTITUTE LEAKAGE CURRENT .............................................. 30
4.7 MEASUREMENT OF PE LEAKAGE CURRENT ........................................................... 32
4.8 MEASUREMENT OF DIFFERENTIAL LEAKAGE CURRENT .......................................... 33
4.9 MEASUREMENT OF TOUCH LEAKAGE CURRENT ..................................................... 35
4.10 MEASUREMENT OF CURRENT, POWER CONSUMPTION AND VOLTAGE ...................... 36