HT9020
EN - 1
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 and TRMS 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.
Instrument description ...................................................................................................................... 6
4.1.1.
Description of the controls ................................................................................................................. 6
4.1.2.
Alignment marks ................................................................................................................................ 6
4.1.3.
Hand protection ................................................................................................................................. 7
4.1.4.
Indication of the conventional direction of Current ............................................................................. 7
4.2.
Function keys description ................................................................................................................. 8
4.2.1.
F1, F2, F3, F4/OK keys ..................................................................................................................... 8
4.2.2.
H/ESC/
key .................................................................................................................................... 8
4.3.
Initial screen ..................................................................................................................................... 8
5.
OPERATING INSTRUCTIONS ................................................................................................. 9
5.1.
Instrument settings ........................................................................................................................... 9
5.2.
AC Voltage detection ........................................................................................................................ 9
5.3.
DC Voltage measurement .............................................................................................................. 10
5.4.
AC/AC + DC Voltage measurement ............................................................................................... 12
5.4.1.
Voltage Harmonics measurement ................................................................................................... 14
5.4.2.
Phase Sequence and Phase Conformity ......................................................................................... 15
5.5.
DC Current measurement .............................................................................................................. 19
5.6.
AC/AC + DC Current measurement ............................................................................................... 21
5.6.1.
Current Harmonics measurement .................................................................................................... 23
5.6.2.
Dynamic Inrush current measurement ............................................................................................. 24
5.7.
DC Power and Energy measurement ............................................................................................ 26
5.8.
AC/AC+DC Power and Energy measurement ............................................................................... 30
5.9.
Resistance and Continuity test measurement ............................................................................... 36
6.
MAINTENANCE ...................................................................................................................... 39
6.1.
General information ........................................................................................................................ 39
6.2.
Battery replacement ....................................................................................................................... 39
6.3.
Cleaning the instrument ................................................................................................................. 39
6.4.
End of life ....................................................................................................................................... 39
7.
TECHNICAL SPECIFICATIONS ............................................................................................. 40
7.1.
Technical characteristics ................................................................................................................ 40
7.1.1.
Reference guidelines ....................................................................................................................... 42
7.1.2.
General characteristics .................................................................................................................... 42
7.2.
ENVIRONMENT ............................................................................................................................. 42
7.2.1.
Environmental conditions for use ..................................................................................................... 42
7.3.
Accessories provided ..................................................................................................................... 42
8.
SERVICE ................................................................................................................................ 43
8.1.
Warranty conditions ........................................................................................................................ 43
8.2.
Service ........................................................................................................................................... 43
9.
APPENDIX – THEORETICAL OUTLINE ................................................................................ 44
9.1.
Calculation of powers in “AC 1P” mode ......................................................................................... 44
9.2.
Calculation of powers in “AC 3P” mode ......................................................................................... 44
9.3.
Calculation of powers in “DC” mode .............................................................................................. 44
9.4.
voltage and current harmonics ....................................................................................................... 45
9.5.
Limit values for harmonics ............................................................................................................. 46
9.6.
Causes FOR the presence of harmonics ....................................................................................... 46
Содержание HT9020
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