China Three Phases Electric Meters Wireless Prepaid GPRS

IC Card Prepaid Prepayment Electric Meter, AMR, Smar, GPRS Wireless
Model: DDSY666
Basic functions:
. Computerized management and billing by electric supply companies
. Prepayment of bills with computer technology and IC card to prevent long-term arrears
. When power exceeds the maximum power, it can automatically switch off the electricity.
. Effective anti-theft design
Main features:
. It can automatically measure alternative current active energy with CPU card or logic card
. LCD (liquid crystal display) or LED (light emitting diode display) and alarm
. The built-in electromagnet relay will switch on/off reliably and effectively
. Special technology ensures no worry about IC card copy
. Built-in solid data memory records all running data
. Anti-theft designs
. Low energy consumption design
Technical data:
. IC card write times: 100.000
. Data retaining duration: More than 10 years

Main technical dataClass:1.0,2.0Reference frequency:50Hz,60HzReference voltage:220V,230VNormal working voltage:70% - 120% UnSpecifications:2.5(10)A,5(20)A,5(30)A,10(40)ANormal working temperature:-10 C- +55 CLimit working temperature:-20 C- +70 CStorage and transport temperature:-20 C- +70 CStarting current:0.004Ib (Class 1.0),0.005Ib (Class 2.0) at reference frequency,reference voltage,COS= 1.0Creep:no complete impulse output while current circuit is switched off and 115%Un is applied on the voltage circuit.there is logical circuit for creep protection.Data storage:more than 30 years