HT9022
EN - 2
5.5.
Position “W ”: DC, AC+DC power measurement ......................................................................... 28
5.5.1.
DC power measurement ................................................................................................................... 29
5.5.1.1.
Key F2 “Par” .................................................................................................................................... 29
5.5.1.2.
DC power ......................................................................................................................................... 30
5.5.1.2.1.
Key F4 “Fnz” in DC Power measurement ................................................................................... 30
5.5.1.3.
DC voltage and current .................................................................................................................... 30
5.5.1.3.1.
Key F4 “Fnz” in DC Voltage and Current measurement .............................................................. 31
5.5.1.4.
DC Energy ....................................................................................................................................... 31
5.5.1.5.
Hold ................................................................................................................................................. 31
5.5.1.6.
Backlight .......................................................................................................................................... 31
5.5.2.
Measurement of AC 1P or AC 3P Powers ........................................................................................ 32
5.5.2.1.
Key F2 “Par” .................................................................................................................................... 32
5.5.2.2.
AC+DC power .................................................................................................................................. 33
5.5.2.3.
Pf and dPf ........................................................................................................................................ 33
5.5.2.3.1.
Key F4 “Fnz” in Power or Pf-dPf measurement .......................................................................... 33
5.5.2.4.
AC+DC Voltage and Current............................................................................................................ 34
5.5.2.4.1.
Key F4 “Fnz” in AC Voltage and Current measurement .............................................................. 34
5.5.2.5.
Voltage harmonics ........................................................................................................................... 35
5.5.2.6.
Current harmonics ........................................................................................................................... 35
5.5.2.6.1.
Key F4 “Fnz” in Voltage and Current Harmonics measurement .................................................. 35
5.5.2.7.
AC Energy ....................................................................................................................................... 36
5.5.2.8.
Hold ................................................................................................................................................. 36
5.5.2.9.
Backlight .......................................................................................................................................... 36
5.6.
Position “W ”: Log, On-Line Scope, SnapShot, MemorY, Download .......................................... 37
5.6.1.
Key F3 “Sys”...................................................................................................................................... 37
5.6.1.1.
“Start Log” recording ........................................................................................................................ 37
5.6.1.2.
On-line ............................................................................................................................................. 38
5.6.1.3.
Memory ............................................................................................................................................ 39
5.6.1.4.
SnapShot ......................................................................................................................................... 39
5.6.1.5.
Download ......................................................................................................................................... 40
5.7.
Position “
Ω
”: Resistance and continuity measurement .............................................................. 41
5.7.1.
Key F4 “Fnz”...................................................................................................................................... 42
5.7.1.1.
Hold ................................................................................................................................................. 42
5.7.1.2.
Backlight .......................................................................................................................................... 42
5.8.
Position “InRush A ”: inrush current measurement ..................................................................... 43
5.8.1.
Virtual key “Zero” ............................................................................................................................... 44
5.8.2.
Key F3 “Run” ..................................................................................................................................... 44
5.8.3.
Key F4 “Mem”.................................................................................................................................... 44
6.
MAINTENANCE ...................................................................................................................... 46
6.1.
General information ........................................................................................................................ 46
6.2.
Battery replacement ....................................................................................................................... 46
6.3.
Cleaning the instrument ................................................................................................................. 46
6.4.
End of life ....................................................................................................................................... 46
7.
TECHNICAL SPECIFICATIONS ............................................................................................. 47
7.1.
Technical characteristics ................................................................................................................ 47
7.1.1.
Safety standards ............................................................................................................................... 49
7.1.2.
General characteristics...................................................................................................................... 49
7.2.
ENVIRONMENT ............................................................................................................................. 49
7.2.1.
Environmental conditions for use ...................................................................................................... 49
7.3.
Accessories provided ..................................................................................................................... 49
8.
SERVICE ................................................................................................................................ 50
8.1.
Warranty conditions ........................................................................................................................ 50
8.2.
Service ........................................................................................................................................... 50
9.
APPENDIX – THEORETICAL OUTLINE ................................................................................ 51
9.1.
Calculation of powers in “AC 1P” mode ......................................................................................... 51
9.2.
Calculation of powers in “AC 3P” mode ......................................................................................... 51
9.3.
Calculation of powers in “DC” mode .............................................................................................. 51
9.4.
voltage and current harmonics ....................................................................................................... 52
9.5.
Limit values for harmonics ............................................................................................................. 53
9.6.
Causes of the presence of harmonics ............................................................................................ 53
9.7.
Consequence of the presence of harmonics ................................................................................. 54
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