Model YEM313 single phase electronic front board installed active energy meter is a kind of new style single phase two wire active energy meter, it adopts micro electronics technique, and imported large scale integrate circuit, use advanced technique of digital and SMT techniques, etc. The meter completely accords with relevant technical requirements of class 1 single phase active energy meter stipulated in international standard IEC 62053 21. It can accurately and directly measure 50Hz or 60Hz active energy consumption from single phase AC electricity net, it is used for setting indoor or setting out door directly, and it can display total energy consumption by step motor type impulse register. It has following features: good reliability, small volume, light weight, specious nice appearance, convenient installation, etc.

Energy Measurement

Total and time sharing forward active & reactive energy measurement

Total and time sharing reverse active & reactive energy measurement

Total forward & reverse apparent energy measurement

Save last one to sixteen months energy data

Max. Demand Measurement

Measure total and time sharing forward active & reactive maximum demand and time of occurred

Measure total and time sharing reverse active & reactive maximum demand and time of occurred

Measure total forward & reverse apparent maximum demand and time of occurred

Real Time Measurement

Real-time measurement of the phase voltage, current, total active power, reactive power, apparent power, total power factor, power grid frequency

TOU

4tariffs, 100holidays, 14season tables, 8time zone tables and each table on maximum 14 time zones

Event Log

The last 10 records of following events:Power down, Programing, Cover opening, Terminal cover opening, Reverse power. the records include data and time

Load profile

At least 4 loadprofile channels,Record at least 490days data when time interval is 30 minutes

Optical port interface

Communication standards DL/T645 2007, 1200bps for communication

Support IEC62056(DLMS/COSEM) protocol

RS 485 serial interface

Communication standards DL/T645 2007, 2400bps for communication

Support IEC62056(DLMS/COSEM) protocol

LCD display

Number of digits value field Up to 8

Digit size 4x10mm

Inputs and outputs

Optical test outputs active energy and reactive energy

Communication modules(optional)

GPRS module:EGSM900/DCS1800 dual-band,support GSM/GPRS phase2/2+ protocol

PLC module: according to Technology Standards of SSC163X ,center frequency 270K, FSK modulate technolgy