Table of Contents
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1.
SAFETY PRECAUTIONS AND PROCEDURES ....................................................................................................... 2
1.1.
Preliminary instructions .................................................................................................................................... 2
1.2.
During use........................................................................................................................................................ 3
1.3.
After use........................................................................................................................................................... 3
1.4.
Overvoltage categories - definitions ................................................................................................................. 3
2.
GENERAL DESCRIPTION ........................................................................................................................................ 4
2.1.
Working ............................................................................................................................................................ 4
2.2.
TRMS value and mean value - definitions........................................................................................................ 4
2.3.
TRUE ROOT MEAN SQUARE VALUE and CREST FACTOR - definitions..................................................... 4
3.
PREPARATION FOR USE ........................................................................................................................................ 5
3.1.
Preliminary checks ........................................................................................................................................... 5
3.2.
Power supply.................................................................................................................................................... 5
3.3.
Calibration ........................................................................................................................................................ 5
3.4.
Storage ............................................................................................................................................................ 5
4.
OPERATING INSTRUCTIONS.................................................................................................................................. 6
4.1.
Instrument - Description ................................................................................................................................... 6
4.1.1.
Turning on ................................................................................................................................................... 7
4.1.2.
Auto Power Off ............................................................................................................................................ 7
4.1.3.
Current measurement through external transducer..................................................................................... 7
4.1.4.
Phase sequence and phase conformity measurement................................................................................ 7
4.2.
HOLD, MAX/MIN/AVG, PEAK±........................................................................................................................ 8
4.2.1.
HOLD .......................................................................................................................................................... 8
4.2.2.
MAX/MIN/AVG ............................................................................................................................................ 8
4.2.3.
PEAK±......................................................................................................................................................... 8
4.3.
V
Hz: DC/AC voltage and frequency measurement (M73 and M75) .......................................................... 9
4.3.1.
Frequency measurement .......................................................................................................................... 10
4.3.2.
4.4.
Hz: DC/AC current and frequency measurement ................................................................................. 12
4.4.1.
Frequency measurement .......................................................................................................................... 13
4.4.2.
Ω
4.5.
: Resistance measurement and continuity test ....................................................................................... 15
4.5.1.
"CAL" mode............................................................................................................................................... 15
4.5.2.
4.6.
: Phase sequence and conformity measurement ...................................................................................... 17
4.6.1.
4.7.
LAN: Cabling test (M75) ................................................................................................................................. 21
4.7.1.
Anomalous cases which may occur during LAN tests ............................................................................... 22
4.7.2.
SPLIT PAIRS - explication note................................................................................................................. 22
4.7.3.
Cabling errors............................................................................................................................................ 23
Ω 0.2A: Continuity test on earth, protective and equalizing potential conductors (M72, M74, M75) ............... 24
4.8.
4.8.1.
"CAL" mode............................................................................................................................................... 25
Anomalous cases which may occur during Ω 0.2A tests............................................................................. 27
4.8.2.
4.9.
4.9.1.
Anomalous cases which may occur during MΩ tests ................................................................................ 29
4.10.
RCD: Tests on AC type RCDs (M73, M74, M75) ........................................................................................... 30
4.10.1.
Anomalous cases which may occur during RCD tests............................................................................. 31
4.11.
: Measurement of global earth resistance (M73, M74, M75) ................................................................. 33
4.11.1.
4.12.
AUTO: Automatic cycle of measurements to test a plant (M74, M75)............................................................ 37
5.
MAINTENANCE ...................................................................................................................................................... 39
5.1.
General .......................................................................................................................................................... 39
5.2.
Battery replacement ....................................................................................................................................... 39
5.3.
Cleaning ......................................................................................................................................................... 39
5.4.
End of life ....................................................................................................................................................... 39
6.
TECHNICAL SPECIFICATIONS ............................................................................................................................. 40
6.1.
Characteristics ............................................................................................................................................... 40
6.1.1.
Electrical.................................................................................................................................................... 42
6.1.2.
Safety standards ....................................................................................................................................... 42
6.1.3.
General specifications ............................................................................................................................... 42
6.2.
ENVIRONMENT............................................................................................................................................. 42
6.2.1.
Environmental conditions .......................................................................................................................... 42
6.2.2.
EMC .......................................................................................................................................................... 42
6.3.
ACCESSORIES ............................................................................................................................................. 42
7.
SERVICE................................................................................................................................................................. 43
7.1.
Warranty conditions ....................................................................................................................................... 43
7.2.
After-sale service ........................................................................................................................................... 43
MULTITEST M72 - M73 - M74 - M75
Hz measurements ............................................................ 11
Hz measurements ........................................................... 14
measurement ................................................................ 16
tests ................................................................................. 20
..................................................................... 28
tests............................................................................ 35
EN - 1
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