Table of contents:
1.
PRECAUTIONS AND SAFETY MEASURES ............................................................... 2
1.1.
Preliminary instructions ..................................................................................................... 2
1.2.
During use ......................................................................................................................... 3
1.3.
After use ............................................................................................................................ 3
1.4.
Definition of Measurement (Overvoltage) category ........................................................... 3
2.
GENERAL DESCRIPTION ........................................................................................... 4
2.1.
Measuring average values andTRMS values .................................................................... 4
2.2.
Definition of true root mean square value and Crest factor ............................................... 4
3.
PREPARATION FOR USE ........................................................................................... 5
3.1.
Initial checks ...................................................................................................................... 5
3.2.
Instrument power supply ................................................................................................... 5
3.3.
Calibration ......................................................................................................................... 5
3.4.
Storage .............................................................................................................................. 5
4.
OPERATING INSTRUCTIONS ..................................................................................... 6
4.1.
Description of the instrument ............................................................................................. 6
4.1.1.
Description of the controls .......................................................................................................... 6
4.2.
Description of function keys .............................................................................................. 7
4.2.1.
HOLD key
4.2.2.
RANGE key ................................................................................................................................ 7
4.2.3.
MAX MIN key .............................................................................................................................. 7
4.2.4.
Hz% key ...................................................................................................................................... 7
4.2.5.
REL key ...................................................................................................................................... 7
4.2.6.
MODE key .................................................................................................................................. 7
4.2.7.
Disabling the Auto Power Off function ........................................................................................ 7
4.3.
Description of rotary switch functions ................................................................................ 8
4.3.1.
DC Voltage measurement .......................................................................................................... 8
4.3.2.
AC Voltage measurement .......................................................................................................... 9
4.3.3.
Frequency and Duty Cycle measurement ................................................................................ 10
4.3.4.
Resistance measurement and Continuity Test ......................................................................... 11
4.3.5.
Diode test .................................................................................................................................. 12
4.3.6.
Capacitance measurement (HT62) .......................................................................................... 13
4.3.7.
Temperature measurement with K probe (HT62) ..................................................................... 14
4.3.8.
DC Current measurement ........................................................................................................ 15
4.3.9.
AC Current measurement ......................................................................................................... 16
5.
MAINTENANCE ......................................................................................................... 17
5.1.
Replacing the batteries and the internal fuses ................................................................ 17
5.2.
Cleaning the instrument .................................................................................................. 17
5.3.
End of life ........................................................................................................................ 17
6.
TECHNICAL SPECIFICATIONS ................................................................................ 18
6.1.
Technical characteristics ................................................................................................. 18
6.1.1.
Reference standards ................................................................................................................ 20
6.1.2.
General characteristics ............................................................................................................. 20
6.2.
Environment .................................................................................................................... 20
6.2.1.
Environmental conditions for use ............................................................................................. 20
6.3.
Accessories ..................................................................................................................... 20
6.3.1.
Accessories provided ............................................................................................................... 20
6.3.2.
Optional accessories ................................................................................................................ 20
7.
ASSISTANCE ............................................................................................................. 21
7.1.
Warranty conditions ......................................................................................................... 21
7.2.
Assistance ....................................................................................................................... 21
.............................................................................................................................. 7
EN - 1
HT61-HT62