HT instruments SIRIUS89N - Manual (Page 79)

SIRIUS89N
EN - 77
8.5. "CURRENT" FUNCTION
This function permits to display in real time the RMS value of AC/DC current, the peak, the
Thdl value (see paragraph 16.11), the waveform and the harmonic spectrum of the
current.
8.5.1. Symbols
The CURRENT position has three working modes:
METER
WAVE
HARM
These modes will be described in detail in the next paragraphs.
The symbols used are described below:
Symbol Description
I1
Current RMS value
Ipk1 Peak value of the current
h01
÷ h49
Harmonic 01
÷ harmonic 49.
ThdI Total harmonic distortion factor of the current (see paragraph 16.11).
freq Network frequency
Tab. 2: Symbols used in the position CURRENT