HT instruments M70 User Manual
Page 2

M70
EN - 1
Table odf Contents
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.
Features ............................................................................................................................ 4
3.
PREPARATION FOR USE ........................................................................................... 4
3.1.
Preliminary checks ............................................................................................................ 4
3.2.
Power supply ..................................................................................................................... 4
3.3.
Calibration ......................................................................................................................... 4
3.4.
Storage .............................................................................................................................. 4
4.
OPERATING INSTRUCTIONS ..................................................................................... 5
4.1.
Instrument - Description .................................................................................................... 5
4.1.1.
Switch on of meter ...................................................................................................................... 5
4.1.2.
Auto Power OFF ......................................................................................................................... 5
4.1.3.
Backlight ..................................................................................................................................... 5
4.2.
: DC voltage measurement ............................................................................................ 6
4.2.1.
Anomalous cases which may occur during measurements ..................................................... 6
4.3.
: AC voltage measurement ............................................................................................. 7
4.3.1.
Anomalous cases which may occur during measurements ..................................................... 7
4.4.
: Resistance measurement and continuity test ........................................................... 8
4.4.1.
"ZERO" mode ............................................................................................................................. 8
4.4.2.
Anomalous cases which may occur during
measurement ................................................. 9
4.5.
Lo
: Continuity test on earth, protective and equalizing potential conductors ................ 10
4.5.1.
"ZERO" mode ........................................................................................................................... 11
4.5.2.
Anomalous cases which may occur during Lo
measurement ............................................... 11
4.6.
M
: Insulation resistance measurement test voltage 250V, 500V, 1000V DC ............... 12
4.6.1.
Measurement time setting mode .............................................................................................. 13
4.6.2.
Anomalous cases which may occur during M
tests ............................................................... 13
5.
MAINTENANCE ......................................................................................................... 14
5.1.
General............................................................................................................................ 14
5.2.
Battery replacement ........................................................................................................ 14
5.3.
Cleaning .......................................................................................................................... 14
5.4.
End of life ........................................................................................................................ 14
6.
TECHNICAL SPECIFICATIONS ................................................................................ 15
6.1.
Characteristics ................................................................................................................. 15
6.1.1.
Electrical ................................................................................................................................... 16
6.1.2.
Safety standards ....................................................................................................................... 16
6.1.3.
General specifications .............................................................................................................. 16
6.2.
ENVIRONMENT .............................................................................................................. 16
6.2.1.
Environmental conditions ......................................................................................................... 16
6.3.
ACCESSORIES .............................................................................................................. 16
6.3.1.
Standard accessories ............................................................................................................... 16
7.
SERVICE .................................................................................................................... 17
7.1.
Warranty conditions ......................................................................................................... 17
7.2.
After-sale service ............................................................................................................. 17