Applied Precision Working Standard WS 2120 Quick Manual page 3

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2. Measurement
MEASURED QUANTITIES:
U ................. Voltage
I .................. Current
P ................. Active Power
Q ................. Reactive Power
S ................. Apparent Power
λ .................. Power Factor
φ ................. Phase
.................. Distortion Factor of Voltage
.................. Distortion Factor of Current
f .................. Frequency
E ................ Active Energy
P
E ............... Reactive Energy
Q
E ................ Apparent Energy
S
(CT) ............ Current Transformer
(PT) ............. Voltage Transformer
ratio, r ...... Measured Transmission Ratio
B/A
phase, φ
... Measured Phase Error
B/A
WS2120-QG23c-EN
Working Standard WS 2120
Quick Guide
3