HT25N
EN - 1
Table of 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
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.
Description of function keys .............................................................................................. 5
4.2.1.
HOLD key ................................................................................................................................... 5
4.2.2.
Backlight key
......................................................................................................................... 5
4.3.
Measurements................................................................................................................... 6
4.3.1.
DC Voltage measurement .......................................................................................................... 6
4.3.2.
AC Voltage measurement .......................................................................................................... 7
4.3.3.
DC Current measurement .......................................................................................................... 8
4.3.4.
Resistance measurement ........................................................................................................... 9
4.3.5.
Continuity test and Diode test ................................................................................................... 10
4.3.6.
Battery test ................................................................................................................................ 11
5.
MAINTENANCE ......................................................................................................... 12
5.1.
Battery and fuses replacement ........................................................................................ 12
5.2.
Cleaning .......................................................................................................................... 12
5.3.
End of life ........................................................................................................................ 12
6.
TECHNICAL SPECIFICATIONS ................................................................................ 13
6.1.
Technical features ........................................................................................................... 13
6.1.1.
Reference standards ................................................................................................................ 14
6.1.2.
General data ............................................................................................................................. 14
6.2.
Environment .................................................................................................................... 14
6.2.1.
Environmental conditions ......................................................................................................... 14
6.3.
Accessories ..................................................................................................................... 14
6.3.1.
Standard accessories ............................................................................................................... 14
7.
SERVICE .................................................................................................................... 15
7.1.
Warranty conditions ......................................................................................................... 15
7.2.
After-sale service ............................................................................................................. 15