Measurement Functions Used in Normal Measurement
Displayed Measurement Function Symbols and Their Meanings
U (voltage Urms, Umn, Udc, Urmn, Uac) I (Current Irms, Imn, Idc, Irmn, Iac)
P (active power) S (apparent power)
Q (reactive power)
λ
(power factor)
f
(phase difference)
fU/fI (or freqU/freqI; voltage/current frequency)
U+pk/U-pk (maximum/minimum voltage) I+pk/I-pk (maximum/minimum current)
CfU/CfI (voltage/current crest factor) WP (watt hour; sum of positive and negative watt
hours)
WP+ (positive watt hours consumed) WP- (negative watt hours returned to the power
supply)
q (ampere hours; sum of positive and
negative ampere hours)
q+ (positive ampere hours consumed)
q- (negative ampere hours returned to the
power supply)
WS (volt-ampere hours)
WQ (var hours) Time (integration time)
η
1 to
η
2 (efficiency)
F1 to F8 (user-defined functions)
Δ
F1 to
Δ
F4 (delta computation option)
Example The True Rms Voltage of Element 1
Element 1
True rms value
Voltage
Simple Average of the Currents of the Elements in Wiring Unit
Σ
Σ function of wiring unit Σ
Simple average
Current
Note
“-------” or space is displayed if a measurement function is not selected or if there is no numeric
data.
Displaying Numeric Data
Press NUMERIC to display numeric data.
5.2 Displaying Numeric Data and Changing Displayed Items
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