LCD Three Phase Digital Multifactional Power Instrument

Technical parameters
Measuring range:
●Phase voltage(U A , U B , U C) :0~500V
●Line voltage(U AB , U BC , U CA) :0~500V
●Current(I A , I B , I C) :0~9999A
●Freuqency :45~65Hz
●Power factor(PF A , PF B , PF C , PF S) :0.0C~1.0~0.0L
●Active power(P A , P B , P C , P S) :0~999W~999KW~9999MW
●Reactive power(Q A , Q B , Q C , QS) :0~999Var~999KVar~9999MVar
●Apparent power(S A , S B , S C , S S) :0~999VA~999KVA~9999MVA
●Active electric energy : 0~999Wh~999KWh~9999MWh
●Reactive electric energy : 0~999Varh~999KVarh~9999MVarh
Communication interface：RS485 serial communication，applying MODBUS_RTU communication protocol.
Accuracy rating：±0.5 % FS±1 digit.
Signal input： Voltage ：AC 0~500V(PT */ 100V) ,Current ：AC 5A (CT */ 5A )
Sampling rate: about 1 times/s.
Measuring display mode: RMS measurement, four-digit LED nixietube display.
Display resolution: Max. Display resolution : 0.001A , 0.1V , 0 . 01Hz , 0 . 001PF , 0 . 1W.
Input circuit consumption: current<0.5VA,voltage<1VA
Auxiliary power supply: AC 220V,50/60Hz(Can customize other values).
Auxiliary supply consumption:< 3VA.

Additional functions
4-channels switch value output: Higher and lower limit alarm output by two groups of reply, contact rating
is AC250V/0.1A、DC30V/0.1A.
4-channels switch value input: 4 ways dry contact input port,inside of the instrument there is power supply of +5V.
4-channels analog quantity output: can be set freely as DC 0~10V、0~20mA or 4~20mA, accuracy rating is ±0.5 % FS, electrical isolation between the signal input and auxiliary power supply ,transmitting output load resistance：≤500Ω
Power quality analysis:
● Voltage harmonic distortion rate : THDU
●Current harmonic distortion rate :THDI
● Three - phase voltage unbalanse : ε U
●Three - phase current unbalanse: εΙ.

DISPLAY MODE

A - phase current :5 .200A	A - phase voltage :220 .1V	A - phase active power :1 .100KW	A - phase power factor :1 .000	A - phase apparent power :1 .100KVA
B - phase current :5 .197A	B - phase voltage :220 .0V	B - phase active power :1 .100KW	B - phase power factor :1 .000	B - phase apparent power :1 .100KVA
C - phase current :5 .198A	C - phase voltage :220 .3V	C - phase active power :1 .100KW	C - phase power factor :1 .000	C - phase apparent power :1 .100KVA
Frequency :50 .00Hz	Frequency :50 .00Hz	Total active power :1 .100KW	Total power factor :1 .000	Total apparent power :3 .300KVA
Positive active energy :0 .09KWh	Positive reactive energy :0 .02KVarh	Opposite active energy :0 .09KWh	Opposite reactive energy : 0 .02KVarh

A - phase reactive power :0 .000KVarh	voltage harmonic distortion rate THDU	Current harmonic distortion rate THDI	Three -phase voltage	Three -phase current
B - phase reactive power :0 .000KVarh	A - phase :5 . 28%	A - phase :9 . 88%	unbalance value ε U :0 . 02%	unbalance value ε I :0 . 04%
C - phase reactive power :0 .000KVarh	B- phase :4 . 22%	B- phase :0 . 65%	Positive active energy : 0 .09KWh	Positive active energy :0 .09KWh
Total reactive power :0 .000KVarh	C- phase :3 . 60%	C- phase :0 . 33%
Opposite active energy :0 .09KWh	Positive active energy :0 .09KWh	Positive active energy :0 .09KWh

Model and dimension(unit :mm)


Terminal arrangement
Attention : If it is not the same with the wiring schema of diagram behind case , please accord to the one of diagram behind case.


Typical connection