Product introduction

EMT-DC1P DC watt hour meter (rail type 2P meter) is a new type of watt hour meter designed and manufactured with advanced low power integration technology and SMT process. It is used to measure DC power grid voltage, current, power and many other grid parameters. Its performance indicators comply with JJF1779-2019 Outline for Type Assessment of DC Electric Energy Meters, JJG 842-2017 Regulations on Measurement and Verification of DC Electric Energy Meters, GB/T 29318-2012 Electric Energy Measurement of Off board Chargers for Electric Vehicles, DL/T645-2007 Communication Protocol for Multifunctional Electric Energy Meters. The electric energy meter is equipped with RS485 communication interface, supports infrared function, has the advantages of anti-theft, easy installation, etc., and is an ideal product for upgrading electric energy meters.

Product performance and parameters

Project

Technical paramete

reference voltage

350V、750V、1000V（customizable）

Indirect access current specification

100A、200A、250A、300A、600A（customizable）

Accuracy class

0.5class，1class

Working power

DC：12V～24V

Shunt output voltage

75mV

RS485 communication rate

1200bps~9600bps，subject to reality

communication protocol

DL/T645-2007，Modbus protocol

environmental conditions

normal operating temperature：-25℃～+60℃

Extreme working temperature

-40℃～+70℃

Storage and transport extreme temperatures

-40℃～+70℃

Relative humidity

The annual average is 75%, 30 days of the year (diffusion by natural means) humidity can reach 85%, and the rest of the time can sometimes reach 95%.

Dimensions

100mm x 37.5mm x 66.5mm