Static meter

Name:DTSF450 three phase multi tariff kwh meter

DTSF450/DSSF450 series three-phase static multi-function Energy meter, designed to satisfy industrial demand, adopts LSI, digital sampling technology and SMT process. It features stable capability, high precision and easy operation.
The product conforms to all technical requirements specified in IEC 687 Alternating current static watt-hour meters for active energy (classes 0.2s and 0.5s) IEC1268Alternative current static watt-hour meters for reactive energy (class2 and 3) and IEC 1107 Data exchange for meter reading, tariff and load control-direct local data exchange.
The meter has the functions of measuring active/reactive energy and demand in all directions, RS485 port communication, manual and infrared waking up during power break, load record and so on.
Functions
(1) Active and reactive energy measurement
(2) Energy consumption record of every month
(3) Max demand record
(4) Multi-tariff energy measurement
(5) Voltage loss record
(6) Bypass current record
(7) Over voltage record
(8) Demand load curve record
(9) IEC 1107 infrared communication
(10) Single Rs485 port communication
(11) Reading during power break
(12) Waking up during power break
(13) Infrared waking up
(14) Remote output
(15) 1Hz second signal output
(16) Data scroll display or key display
Technical Data

Applicable Standard		IEC 687,IEC1268,IEC1107
Accuracy class		Active: Class 0.5s Reactive: Class 2
Reference frequency		50Hz
Potential		With anti-potential logic design
Staring current		Active: 0.001 In (transformer connected) Reactive: 0.003 In
Service life		10 years
outline dimension		278mm×174mm×77mm
Installation size		241×150mm
Net weight		2.5kg
Gross weight		2.8kg
Carton weight (4 pieces)		12kg
Electric parameters
Normal working voltage		0.9Un~1.1Un
Limit working voltage		0.75Un~1.15Un
voltage circuit power consumption		≤2W or 5VA
Current circuit power consumption		≤1VA
Voltage of battery for data storing		3.6VDC
voltage of battery for data reading		6.0VDC
Tariff working parameters
Clock accuracy		Daily error less than 0.5s (23℃)
Battery capacity		≥1000mAh
Data storing time after power break		≥10 years (using new battery)
Climatic conditinos		Technical Parameters
Normal working temperature	-20℃~+40℃	Tariffs	4
Limit working temperature	-30℃~+60℃	Times periods	10
Storage and transport temperature	-40℃~+70℃	Display	LCD
Storage and transport humidity	≤85%	Communication baud rate	300bps~9600bps
		Communication method	Direct local data exchange
		Communication protocol	IEC 1107

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