Electroline Electrical Co.,LTD.

DSF977 Three Phase Electronic Multi-rate Watt-hour Meter

Application

Type DSF977 three phase DIN rail watt-hour meter is a kind of new style three phase electronic multirate watt-hour meter,energy data display adopt 7 digits wide temperature type crystal display, with many functions of multi-rate (time-of use) energy measurement, infrared carrier wave communication and RS485 serial port communication reading meter, etc. The meter completely accord with relevant technical requirements of class 1 and class 2 single phase energy meter stipulated in National standard GB/T17215-2002 and international standard IEC1036. it has following features:Good reliability, small volume, light weight, specious nice appearance, convenient installation, etc.

Functions and features

■May select 35mm DIN rail installation or installation on the board.
■Have 3 tariffs, 12 daily period of times, may select single tariff function in weekend.
■Inner emplaced clock, after power cut down, the message is preserved forever, inner emplaced spare
batteries and free of maintenance.
■The directon of electric powr canbe distinguished automatically, accident is checked automatiocally.
■Infrared carrier wave commnication and RS485 serial port communication, meter is set up by
program and password is protected.

Technical parameters

Name	Type	Accuracy	Rated voltage(V)	Rated current(A)
Three phase four wire active energy electronic type watthour meter	DTSF977 DEM041)	Class 1	3×380/220V 3×100/57.5V	1.5(6), 3(6), 5(30), 10(50), 15(90), 20(100), 5(40), 5(100)
		Class 2
Three phase three phase active energy electronic type watthour meter	DSSF977 (DEM041)	Class 1	3×380/220V 3×100/57.5V
		Class 2