A 1322 / A 1422
Table of contents
3
Table of contents
1
Preface ................................................................................................................. 5
2
Safety and operational considerations ............................................................. 6
2.1
Warnings and notes ........................................................................................... 6
2.2
Standards applied ............................................................................................. 7
3
Description .......................................................................................................... 8
4
Operation ........................................................................................................... 10
4.1
Connections .................................................................................................... 10
4.2
Power supply considerations ........................................................................... 11
4.3
Working with the adapter ................................................................................. 12
4.4
Instrument data of the adapter ........................................................................ 13
4.5
Messages ........................................................................................................ 14
5
Measurements ................................................................................................... 16
5.1
Earth bond resistance measurement ............................................................... 16
5.1.1
Compensation of test leads resistance ..................................................... 16
5.2
Insulation resistance and substitute leakage current measurements .............. 18
5.3
Insulation resistance (S-probe) and substitute leakage current (S-probe)
measurements ................................................................................................. 19
5.4
Differential leakage current measurement ....................................................... 20
5.5
Touch leakage current measurement .............................................................. 21
5.6
Polarity / Active Polarity test ............................................................................ 22
5.7
3-phase RCD test ............................................................................................ 24
5.8
Functional test ................................................................................................. 25
6
Measurements according to IEC / EN 60974-4 (A 1422 only) ........................ 26
6.1
Continuity of the protective circuit .................................................................... 26
6.1.1
Compensation of test leads resistance ..................................................... 26
6.2
Insulation resistance (supply circuit to protective circuit) ................................. 27
6.3
Insulation resistance (welding circuit to protective circuit) ............................... 28
6.4
Insulation resistance (supply circuit to welding circuit) .................................... 29
6.5
Insulation resistance (supply circuit of class II equipment to accessible
surfaces) .......................................................................................................... 30
6.6
Welding circuit leakage current ....................................................................... 31
6.7
Primary leakage current, functional test .......................................................... 32
6.8
Touch leakage current ..................................................................................... 33
6.9
No load voltage ............................................................................................... 34
7
Maintenance ...................................................................................................... 35
7.1
Cleaning .......................................................................................................... 35
7.2
Service ............................................................................................................ 35
8
Technical specifications ................................................................................... 36
8.1
Test functions .................................................................................................. 36
8.1.1
Earth bond resistance .............................................................................. 36
8.1.2
Insulation resistance (including S-probe) ................................................. 36
8.1.3
Substitute leakage current (including S-probe) ........................................ 36
