400 Series
EN - 1
Table of contents:
1. SAFETY PRECAUTIONS AND PROCEDURES .......................................................... 4
1.1. Preliminary instructions ..................................................................................................... 4
1.2. During use ......................................................................................................................... 4
1.3. After use ............................................................................................................................ 5
1.4. Overvoltage categories - definitions .................................................................................. 5
2. GENERAL DESCRIPTION ........................................................................................... 6
2.1. Introduction ........................................................................................................................ 6
2.2. Instrument operation ......................................................................................................... 6
3. PREPARATION FOR USE ........................................................................................... 7
3.1. Initial checks ...................................................................................................................... 7
3.2. Instrument power supply ................................................................................................... 7
3.3. Calibration ......................................................................................................................... 7
3.4. Storage .............................................................................................................................. 7
4. NOMENCLATURE ........................................................................................................ 8
4.1. Instrument description ....................................................................................................... 8
4.2. Backlighting ....................................................................................................................... 8
4.3. Keyboard description ......................................................................................................... 9
4.4. Display description ............................................................................................................ 9
4.5. Initial screen ...................................................................................................................... 9
5. MAIN MENU ............................................................................................................... 10
5.1. AUTO ÷ PWR .................................................................................................................. 10
5.2. SET – Instrument settings ............................................................................................... 10
5.2.1. Language ............................................................................................................................... 10
5.2.2. Auto Power OFF .................................................................................................................... 11
5.2.3. Nominal voltage ..................................................................................................................... 11
5.2.4. Frequency .............................................................................................................................. 11
5.2.5. System ................................................................................................................................... 11
5.3. MEM ................................................................................................................................ 11
5.4. RS232 ............................................................................................................................. 11
6. OPERATING INSTRUCTIONS ................................................................................... 12
6.1. AUTO .............................................................................................................................. 12
6.1.1. Description of anomalous results ........................................................................................... 14
6.2. LOWOHM: Continuity test of earth leads with 200mA .................................................... 17
6.2.1. CAL mode .............................................................................................................................. 19
6.2.2. Description of anomalous results ........................................................................................... 20
6.3. M: Measurement of the insulation resistance ............................................................... 22
6.3.1. Description of anomalous results ........................................................................................... 24
6.4. RCD: Test on A-type and AC-type RCDs ........................................................................ 26
6.4.1. AUTO mode ........................................................................................................................... 28
6.4.2. x½ mode ................................................................................................................................ 29
6.4.3. x1, x2, x5 mode ...................................................................................................................... 30
6.4.4. mode ................................................................................................................................. 31
6.4.5. RA mode ................................................................................................................................ 32
6.4.6. Description of anomalous results ........................................................................................... 32
6.5. LOOP: Measurement of Line/Loop impedance ............................................................... 36
6.5.1. P-N mode ............................................................................................................................... 38
6.5.2. P-P mode ............................................................................................................................... 39
6.5.3. P-PE mode in TT or TN systems ........................................................................................... 40
6.5.4. P-PE mode in IT systems ...................................................................................................... 41
6.5.5. Description of anomalous results ........................................................................................... 41
6.6. R
A
: measurement of the total earth resistance through the socket-outlet ....................... 44
6.6.1. Description of anomalous results ........................................................................................... 46
6.7. 123: Phase sequence test ............................................................................................... 49
6.7.1. Description of anomalous results ........................................................................................... 52
6.8. AUX: real time measurement of the environmental parameters ..................................... 52
6.8.1. AIR, RH, TMP °F, TMP °C, Lux mode ................................................................................... 54
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