电子式三相有功电能表
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DTS870/DSS870型电子式三相有功电能表主要用于精确计量额定频率为50Hz的三相电网的正(反)向有功电能。产品具有可扩展485通讯和红外通讯功能,可实现远距离抄表,为用电自动化管理提供了必备的条件,各项技术指标符合GB/T17215—2002的要求。
Type DTS870、DSS870
Three phase electronic active kilowatt-hour meter
1. Introduction
Three phase electronic active kilowatt-hour meter is used for measuring rate frequency 50Hz three phase power grid positive and reversed direction active energy.This meter also can realize read meter over long distance,and also provide requirements for electric automation management.Its technical performance are completely conform to the stipulated requirements of GB/T17215—2002.
型号规格 | 参比电压(V) | 额定频率(HZ) | 标定电流(A) | 仪表常数(imp/kw.h) |
三相四线 DTS870 | 3×220/380 | 50 | 1.5(6)~30(100) | 见铭牌标识 |
3×57.7/100 | 50 | |||
三相三线 DSS870 | 3×100 | 50 | ||
3×380 | 50 |
2.Specifications and types
Specifications and types | Reference voltage(V) | Rated frequency(HZ) | Rated current(A) | Meter constant(imp/kw.h) |
Three phase four wire DTS870 | 3×220/380 | 50 | 1.5(6)~30(100) | As shown in nameplate |
3×57.7/100 | 50 | |||
Three phase three wire DSS870 | 3×100 | 50 | ||
3×380 | 50 |
准确等级 1.0级
正常工作电压:0.9Un~1.1Un
极限工作电压:0.7n~1.3UN
电压线路功耗:有功功率≤1.0W,视在功率≤6VA
电流线路功耗:有功功率≤1.0VA
正常工作温度:-25℃-+60℃
极限工作温度:-40℃—+70℃
储运运输温度:-45℃—+70℃
相对湿度:小于95%
3.Technical parameter
Accuracy rating:class 1.0
Normal working voltage:0.9Un~1.1Un
Limiting working voltage:0.7Un~1.3UN
Voltage consumption:active power≤1.0W,apparent power ≤6VA
Current consumption:active power≤1.0VA
3.2 Environmental Requirements
Normal working temperature:-25℃-+60℃
Limiting working voltage:-40℃—+70℃
Transportation and storage temperature:-45℃—+70℃
Relative humidity (RH):less than 95%
4.单相插卡电表,三相插卡电表,单相插卡预付费电表,三相插卡预付费电表,主要功能
计量正,反向交流有功电量,反向电量按正向计量
缺相指示功能:某相缺相时相应指示灯亮
反相指示功能:合相有功功率为负数时相应指示灯亮
采用光电隔离技术输出无源电能脉冲信号,发光二极管指示用电
具有RS485通讯接口和红外通讯口(可选)
4. Major function
Measure the AC active energy of positive direction and reversed direction,the energy of reversed direction will be measured according to positive direction.
Phase off indication founction: when phase off, the indicator is lit
Opposite phase indication founction: when active power show a negative balance, the indicator is lit
Adopt photoelectric isolated technology,which output pulse signal, power supply will be can instructed by light emitting diode.
Have RS485 Communication interface and Infrared Data Association(optional).