Amprobe DM-4 Power-Quality-Recorder - Manual (Page 29)

Selecting a power factor (Pf) or a cosΘ (dPf) for the recording automatically their inductive value
and their capacitive value will be recorded separately.
28
DM-4 Power Quality Recorder
Symbols Description Advised Settings
Qt, Q1, Q2, Q3,
Q12, Q32, Q31
Values of the inductive reactive power (total, of phase 1,
phase 2, phase 3) (only for 3 wires measurement) value
of the reactive inductive power measured by the VAR
meters 1-2 and 3-2 respectively
☺ ☺
Single phase: Q1
3 wires: Qt
4 wires Qt, Q1, Q2, Q3
-Qt, -Q1, -Q2, -Q3,
-Q12, -Q32, -Q31
Values of the capacitive reactive power (total, of phase
1, phase 2, phase 3) (only for 3 wires measurement)
value of the reactive capacitive power measured by the
VA meters 1-2 and 3-2 respectively
St, S1, S2, S3,
S12, S32, S31
Values of the apparent power (total, of phase 1, phase 2,
phase 3) (only for 3 wires measurement) value of the power
measured by the VA meters 1-2 and 3-2 respectively
☺ ☺
Single phase: S1
3 wires: St
4 wires St, S1, S2, S3
Pft, Pf1, Pf2, Pf3 Values of the power factors (total, of phase 1, phase 2
and phase 3 respectively)
☺ ☺
Single phase: Pf1 dPf1
3 wires: Pft dPft
4 wires Pft Pf1 Pf2
Pf3dPft dPf1 dPf2
dPf3
dpft, dpf1, dpf2,
dpf3
Values of the cosΘ (total, of phase 1, phase 2 and
phase 3 respectively)
Eat, Ea1, Ea2,
Ea3
Values of the active energy (total, of phase 1, phase 2,
phase 3)
☺ ☺
Single phase: Ea1
3 wires: Eat
4 wires Eat Ea1 Ea2
Ea3
Ert, Er1, Er2, Er3 Values of the inductive reactive energy (total, of phase
1, phase 2 and phase 3)
☺ ☺
Single phase: Er1
3 wires: Ert
4 wires Ert Er1 Er2
Er3
-Ert, -Er1, -Er2, -
Er3
Values of the capacitive reactive energy (total, of phase
1, phase 2, phase 3)
Est, Es1, Es2, Es3 Values of the Apparent Energy (total, of phase 1,
phase 2, phase 3)
☺ ☺
Single phase: Es1
3 wires: Est
4 wires Est Es1 Es2
Es3