Amprobe DM-II-PLUS Power-Quality-Recorder - Manual (Page 19)

17
Symbols Description Advised Settings
HARM REC. ON = the instrument will record the values of the
selected voltage and current harmonics.
For example: if the following parameters are
selected:
a) Phase Voltage 1 and 2, Thd, Harmonics 1, 3, 5.
b) Phase Current 2 and 3, Thd, Harmonics 3, 5, 7.
The instrument will record:
a) The Phase Voltage 1 and 2, Thd and Harmonics
1, 3, 5 of the Phase Voltage 1 and 2, but will not
record anything about Phase Voltage 3.
b) The Phase Current 2 and 3, Thd and Harmonics
3, 5, 7 of the Phase Current 2 and 3, but will not
record nothing about Phase Current 1.
OFF = the instrument will not record any voltage
or current harmonics.
ANOM REC. ON = the Instrument will record Voltage Sag and
Surge.
OFF = the instrument will not record Voltage Sag
and Surge.
V1, V2, V3 V12, V23
or V32, V31 RMS value of the voltage of phase 1, phase 2,
phase 3 respectively, values of the phase-to-phase
voltages 1-2, 2-3 or 3-2 and 3-1. Single phase: V1
3 wires: V12 V32
V31
4 wires: V1, V2, V3
Thd, DC, 01...49 Voltage Total Harmonic Distortion, DC Compo-
nent, 01 to 49 Harmonics Thd,01,03,05,07
Vref (only if ANOM.
REC flag is ON) RMS reference value for Voltage used in Voltage
Anomalies detection (Voltage Sag and Surge).
The Reference is:
Voltage Phase to Neutral for Single a.
Phase and 3PH4W.
Voltage Phase to Phase for 3PH3W b.
Single phase: 230V
3 wires: 400V
4 wires: 230V
LIM+, LIM- \
(Only if ANOM. REC
flag is ON) High and Low Voltage Percent threshold used in
Voltage Anomalies detection (Voltage Sag and
Surge). Single phase: 120V
3 wires: 480V
4 wires: 277V
I1, I2, I3, IN RMS value of the current of phase 1, phase 2,
phase 3 and neutral respectively Single phase: I1
3 wires: I1, I2, I3
4 wires: I1, I2, I3, IN
Thd, DC, 01..49 Current Total Harmonic Distortion, DC Compo-
nent, 01 to 49 Harmonics Thd,01,03,05,07