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KPM31 Single Phase Digital Energy Meter

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Chongqing Blue Jay Technology Co.,Ltd

China

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KPM31 Single Phase Digital Energy Meter

KPM31 Single Phase Digital Energy Meteris designed with advanced microprocessor and digital signal processing technology. It integrates comprehensive single-phase power measurement, display, energy accumulation, and network communication.

lt has strong anti-interference ability and can still work stably in situations with severe electromagnetic interference.

Features

Measurement of voltage, bidirectional current, active power, reactive power, apparent power, power factor, frequency, active energy, reactive energy.
Multi-rate energy statistics, up to 8 time slots per day, 4 tariffs.
12-month historical power statistics function.
Rated current 5-63A.
1 passive optical coupler collector active pulse outputs.
Default Modbus communication through RS485 interface. Optional Wi-Fi communication.
LCD display a variety of power parameters and information.
Built-in clock and maintenance-free battery，permanently data saving after power off.
Large-capacity magnetic retention relay, load on-off control.

Application

All power parameter measurement;
Energy measurement and electrical fire monitor and control;
Replacing the three-phase power meter, three phase electricity transmitter;
Transformers, generators, capacitors and electric motors distributed detection;
Medium and low pressure systems;
SCADA, EMS, DCS integrators.

Specification

KPM31Multifunction meter-Technical parameters
Input voltage	Rated voltage	AC 110V/220V
	Overall power consumption	＜5VA/
	Frequency range	45~65Hz
Input current	Rated current	1,5（6）A，10（60）A,20(100)A
Input current	Frequency range	45~65Hz
Measurement accuracy	Voltage	±0.2%(0.01V)
	Current	±0.2%(0.01A)
	Active power	±0.5%(0.1W)
	Reactive power	±2.0%(0.1kvar)
	Active energy	±0.5%(0.1kWh)
	Reactive energy	±2.0%(0.1kvarh)
	Power factor	±0.5%(0.001)
	Frequency	±0.02Hz(0.01Hz)
Clock	Clock accuracy	<0.5S/D
Communication	Communication interface	RS485，Photoelectric isolation interface
Electrical insulation	Communication protocol	Modbus-RTU，1200~38400bps
	Power frequency withstand voltage	AC2kV/min~1mA Input-output-power source （GB/T 13729）
	Insulation resistance	＞50MΩ （GB/T 13729）
	Impact voltage	5kV（Peak），1.2/50us （GB/T 13729）
Working environment	Operating temperature	-25℃ ~ +70℃
	Relative humidity	5%~95% No condensation
	Storage temperature	-30℃ ~ +75℃
	Altitude	No more than 4000m
Electromagnetic Compatibility	Surge (impact) immunity	GB/T 17626.5-2008，Level4
	Electrical fast burst immunity	GB/T 17626.4-2008，Level4
	Electrostatic discharge immunity	GB/T 17626.2-2006，Level4
	Power frequency magnetic field immunity	GB/T 17626.8-2006，Level4