KPM31 single-phase rail smart meter in full compliance with the national standard GB /T7215-2008 and the international standard IEC62053:2003 on the 0.5S-class energy meter of the relevant technical requirements,it use microelectronic technology and imported large-scale integrated circuits,it also application digital sampling Processing technology and SMT technology and other advanced technology,it can be directly and accurately measure the rated frequency of 50/60Hz AC active power,it use LCD7 + 1 bit LCD display,with high reliability,small size,easy installation and so on.

Suitable for residential/industrial/commercial

1.Energy and energy efficiency management system.

2.Internal energy consumption statistical analysis and charging statistics basis.

3.Energy metering,automatic meter reading system.

4.Intelligent distribution management system.

1.Measurement of three-phase voltage,current,active power,reactive power, apparent power,power factor,frequency,active energy,reactive energy.

2.Multi-rate energy statistics,a day can be set up to eight time periods,four kinds of rates.

3.Historical power statistics function.

4.Rated current optional.

5.1 road passive optical coupler collector active pulse output

6.1 –way RS485 communication interface,Modbus communication

7.7 +1 bit LCD display a variety of power parameters and information

8.Built-in clock and maintenance-free battery,battery capacity real-time monitoring,data is permanently saved after power off.

9.Application of large-capacity magnetic retention relay,Load on-off control.

Henan compere smart technology Co., Ltd. is a high-tech enterprises that commitments  to energy management systems,intelligent electrical products and power quality control program development,production and sales.It is one of management & services institution of national power demand side,Compere has own professional embedded Product development team,excellent mobile Internet software development team and marketing services network.

1.Experienced manufacturer more than 10 years.
2.Highly experienced production team in Compere factory work-shop.
3.QC System:Quality controlled on all production lines,and QC inspectors work independently from the production line.
4.Good quality production with quick delivery.
5.Accepted OEM/ODM.
6.Accepted small MOQ.
7.Trade Assurance on Alibaba.
8.Factory certification:CE,RoHS and ISO9001.

1. Can I ask for samples?

    Yes,for sample orders,please Click Here Send Inquiry Now

2. Where can I get a user manual?

    User manual can be downloaded from our official website: .

3. What's the warranty of your products?

    12 months.

4. What's the lead time?

    Depend on the quantity and model of the order,normally it takes around 10-15 days,but the exact lead time should be discussed with our sales.

5. Do you have software?

    We offer simple software for testing.

6. Can you offer Modbus protocol instruction/modbus register map?

    Yes,we have and welcome contact us.

Compere is a technological enterprise with strong R&D resources and good sales. Welcome inquiry.