HT instruments HT710 User Manual
Page 23
HT710
EN - 1
Content
:
1.
SAFETY PRECAUTIONS AND PROCEDURES ...................................................................... 2
1.1.
Preliminary ........................................................................................................................ 2
1.2.
During use......................................................................................................................... 3
1.3.
After use............................................................................................................................ 3
1.4.
Overvoltage categories - definitions .................................................................................. 3
2.
GENERAL DESCRIPTION ....................................................................................................... 4
3.
PREPARATION FOR USE ....................................................................................................... 4
3.1.
Initial.................................................................................................................................. 4
3.2.
Supply voltage................................................................................................................... 4
3.3.
Calibration ......................................................................................................................... 4
3.4.
Storage.............................................................................................................................. 4
4.
OPERATING INSTRUCTIONS ................................................................................................. 5
4.1.
Instrument - description..................................................................................................... 5
4.1.1.
Front panel.................................................................................................................................. 5
4.2.
Function keys .................................................................................................................... 5
4.2.1.
HOLD.......................................................................................................................................... 5
4.2.2.
REL............................................................................................................................................. 5
4.2.3.
RANGE ....................................................................................................................................... 5
4.3.
Special functions ............................................................................................................... 5
4.3.1.
Turning on................................................................................................................................... 5
4.3.2.
Auto power off ............................................................................................................................ 5
4.4.
Measurements - description .............................................................................................. 6
4.4.1.
DC voltage measurement........................................................................................................... 6
4.4.2.
AC voltage measurement ........................................................................................................... 7
4.4.3.
Frequency measurement............................................................................................................ 8
4.4.4.
Resistance measurement........................................................................................................... 9
4.4.5.
Continuity test........................................................................................................................... 10
4.4.6.
Diode test.................................................................................................................................. 11
5.
MAINTENANCE ...................................................................................................................... 12
5.1.
General information......................................................................................................... 12
5.2.
Battery replacement ........................................................................................................ 12
5.3.
Cleaning .......................................................................................................................... 12
5.4.
End of life ........................................................................................................................ 12
6.
TECHNICAL SPECIFICATIONS............................................................................................. 13
6.1.
Technical features ........................................................................................................... 13
6.1.1.
DC voltage measurement......................................................................................................... 13
6.1.2.
AC voltage measurement ......................................................................................................... 13
6.1.3.
Frequency measurement.......................................................................................................... 13
6.1.4.
Resistance measurement......................................................................................................... 13
6.1.5.
Continuity test........................................................................................................................... 13
6.1.6.
Diode test.................................................................................................................................. 13
6.1.7.
Electrical ................................................................................................................................... 14
6.1.8.
Safety........................................................................................................................................ 14
6.1.9.
General data............................................................................................................................. 14
6.2.
Environment .................................................................................................................... 14
6.2.1.
Environmental conditions ......................................................................................................... 14
6.2.2.
EMC and LVD........................................................................................................................... 14
6.3.
Accessories ..................................................................................................................... 14
6.3.1.
Standard accessories ............................................................................................................... 14
7.
SERVICE ................................................................................................................................ 15
7.1.
Warranty conditions......................................................................................................... 15
7.2.
Service ............................................................................................................................ 15