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high performance 3-phase RS485 electric quality analyzer multifunction smart digital power meter 2-51 harmonics

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Product Description

Product Overview

KPM73 series three phase multifuation kwh watt meter with accurate power parameter measurement, bidirectation four quadrant energy measurement, statistics, record and other function.
Using advanced ARM processor and digital signal processing technology, digital watt meter. Collect comprehensive three-phase electrical parameters measurement/display, energy accumulation, power quality analysis, multi-rate statistics, digital input/output and communications network in ones.It has fine manufacture process, good electrical insulation and electromagnetic compatibility, large screen LCD liquid crystal display and other advantages.
The meter is designed to measure single phase two wire AC active energy and variable parameter. its data communication rules obey the requirement of DL/T645 or MODBUS-RTU. It is a long life meter with the advantage of high stability , high over load capability. low power loss and small volume

Details Images

1.Measure over 30 kinds of basic electricity such as phase / line voltage,three-phase current,zero sequence voltage,zero sequence
current,active power,reactive power,apparent power,active energy,reactive energy,power factor,frequency.
2.Measure and display the average power factor of the last three months and accurately grasp the amount of monthly reactive energy
consumption.
3.0.5S grade four quadrant power statistics and multi-rate statistics.
4.Demand statistics and record the maximum value,minimum value.
5.Working hours, load time statistics.
6.Time recording function,can record 100 events.
7.Support up to 51th order harmonic calculation,total harmonic distortion rate calculation, unbalance rate,current K factor
calculation.
8.Out of setting alarm function.
9.Standard 1 –way RS485 communication interface, Modbus-RTU protocol,Optional Profibus-DP Communication module.
10.Can be extended 4-way passive switch value input.
11.Can be extended 1-way 4-20mA analog output.
12.1 road passive optical coupler collector active pulse output.
13.Can be extended 1-way PT100 temperature input.
14.256 points / cycle voltage, current sampling, to ensure measurement accuracy.
15.FSTN large screen LCD,bright LED backlight uniform display,in the bright light and large viewing angle environment to obtain a
good visual effect.

Product Paramenters

Working power supply	Rated voltage		AC85~265V/DC80~300V
		Rated power consumption		<3VA
Input Voltage	Rated voltage		57.7/100V, 220V/380V, 380/660V(Customized)
		Threshold value		5V
		Overload capacity		1.2 times rated voltage, continuous operation, 2 times rated voltage, allow 10S
		Power consumption		<0.75VA/phase (Rated 5A)
		Measurement range		Phase voltage (LN):50~260VAC Line voltage(LL):90~450VAC
Input current	Rated current		Default 5A,Input range 1-6A;Optional 1A
		Threshold value		5A Configuration,5mA; 1A Configuration
		Overload capacity		1.2 times rated current allowed, continuous work; 20 times the rated current allowed 1 second
		Power consumption		<0.75VA/phase(Rated current 5A);<0.25VA/phase(Rated current 1A)
		Measurement range		8A:0~6A, 1A:0~1.2A
Input/Output	Switch input		4-way passive main line contact DI input, internal supply DC24V power source
		Relay output		4-way DO output,Contact capacity 250VAC/5A,30VDC/5A
		Analog output		Output range 4~20mA,overload allows 1.2times
		Temperature output		Measure range 0℃~100℃
Power quality monitoring	Harmonic measurement		Voltage/current2~51th harmonic distortion rate, total harmonic distortion rate
		Harmonic distribution rate		Phase voltage, line voltage
		Umbalance rate		Voltage, current
Measurement accuracy	Voltage		±0.2%(0.01V)
		Current		±0.2%(0.01A)
		Active power		±0.5%(0.1W)
		Reactive power		±2.0%(0.1var)
		Active energy		±0.5(0.1kWh)
		Reactive energy		±2.0%(0.1kvarh)
		Power factor		±0.5%(0.001)
		Frequency		±0.02Hz(0.01Hz)
Communication	Communication interface		RS485 photoelectric isolation interface
		Communication protocol		Modbus-RTU, 1200~19200bps
Electric insulation	Power frequency withstand voltage		AC2/kV/min~1mA input-output-power (GB/T13829)
		Insulation resistance		>50MΩ
		Impact voltage		5kV (peak),1.2/50μs
Working environment	Working temperature		-25℃ ~ +70℃
		Related humdity		5%~95% no condensation
		Storage environment		-30℃ ~ +75℃

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high performance 3-phase RS485 electric quality analyzer multifunction smart digital power meter 2-51 harmonics

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