Name: Pw991 single-phase power meter
Brand: Luzhou Ludao Electric Appliance Co., Ltd
Availability: InStock

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Wujian Station, Village Head of Wafang Village, Yutang Town, Luzhou City, Sichuan Province, China

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Pw991 single-phase power meter

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Characteristics
Upper and lower limit alarm relay output
Red highlight digital tube 0.56 '
Equipped with RS485 communication port
Optoelectronic isolation analog 4-20mA transmission output
Free power supply voltage 165V-245V

Communicating multi parameter measurement
model	Power grid standard	Frequency range	INPUT VOLTAGE	Input Current
PW991	single phase	50/60/400Hz	0-600V	C.T out 5A
PW993	three-phase three-wire system	50/60/400Hz	0-600V	C.T out 5A
PW994	three-phase four-wire system	50/60/400Hz	0-600V	C.T out 5A
Measurement inaccuracy:0.5%F.S1Digit(235)

Technical Parameter
Measurement project	Power, voltage, current power factor, frequency P, V,I,PF,Hz
A/D conversion	V/F conversion
measurement speed	About 2.5 times per second
Overflow display	“－－－－”
Process value display	Red LED(0.56')
Set value display	Red LED(0.28')
Power factor	-0.51～1～0.5
Transmission output	4-20mA(<500W)
ALARM IN	Relay
Communication method	RS-485
pressure resistance	Ac 1500V 1min
insulation resistance	DC 500V≥100MW
power consumption	≤4.5VA
power supply	165V-245V
Anti series mode interference	≥NMR40db(50Hz/60Hz)

Note: The wiring diagram is for reference only and should be based on the instruction manual

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