Table of Contents
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Contents:
1.
SAFETY PRECAUTIONS AND PROCEDURES ..........................................................2
1.1.
Preliminary ............................................................................................................2
1.2.
During use .............................................................................................................3
1.3.
After use ................................................................................................................3
1.4.
Measuring (overvoltage) categories definitions .....................................................3
2.
GENERAL DESCRIPTION ...........................................................................................4
2.1.
Mean value and TRMS: definition..........................................................................4
2.2.
True root mean square value and crest factor: definition.......................................4
3.
PREPARATION FOR USE ...........................................................................................5
3.1.
Initial ......................................................................................................................5
3.2.
Supply voltage .......................................................................................................5
3.3.
Calibration .............................................................................................................5
3.4.
Storage..................................................................................................................5
4.
OPERATING INSTRUCTIONS.....................................................................................6
4.1.
Instrument - description .........................................................................................6
4.1.1.
Front panel ................................................................................................................... 6
4.2.
Description of function keys...................................................................................7
4.2.1.
HOLD key..................................................................................................................... 7
4.2.2.
PK/REL key.................................................................................................................. 7
4.2.3.
MX/MN key................................................................................................................... 7
4.2.4.
R/SEL key .................................................................................................................... 7
4.2.5.
4.2.6.
Disable Auto Power OFF ............................................................................................. 8
4.3.
Measurements.......................................................................................................9
4.3.1.
DC Voltage measurement............................................................................................ 9
4.3.2.
AC Voltage measurement .......................................................................................... 10
4.3.3.
DC Current measurement .......................................................................................... 11
4.3.4.
AC Current measurement .......................................................................................... 12
4.3.5.
Resistance measurement and Continuity Test .......................................................... 13
4.3.6.
Diode test ................................................................................................................... 14
4.3.7.
Capacitance measurement ........................................................................................ 15
4.3.8.
Frequency measurement ........................................................................................... 16
4.3.9.
Temperature test (Only for TM-88) ............................................................................ 17
5.
MAINTENANCE .........................................................................................................18
5.1.
General information .............................................................................................18
5.2.
Battery replacement ............................................................................................18
5.3.
Fuse replacement................................................................................................19
5.4.
Cleaning ..............................................................................................................19
5.5.
End of life ............................................................................................................19
6.
TECHNICAL SPECIFICATIONS ................................................................................20
6.1.
Technical features ...............................................................................................20
6.1.1.
Electrical specifications .............................................................................................. 22
6.1.2.
Safety ......................................................................................................................... 22
6.1.3.
General data .............................................................................................................. 23
6.2.
Environment ........................................................................................................23
6.2.1.
Environmental conditions ........................................................................................... 23
6.2.2.
EMC and LVD ............................................................................................................ 23
6.3.
Accessories .........................................................................................................23
6.3.1.
Standard accessories................................................................................................. 23
7.
SERVICE....................................................................................................................24
7.1.
Warranty conditions.............................................................................................24
7.2.
After-sale service.................................................................................................24
) ...................................................................................................... 8
1
TM-87/TM-88
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