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Prepayment Metering system

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Country/Region	China
City & Province	Shanghai
Categories	Other Drive & Storage Devices

Product Details

Post date : 2011-03-03 05:24:43

Smart Card (Key), developed in 1992, installed 1.4 million meters in market.
Remote Control, developed in 2002, installed 0.3 million meters in market.
RF wireless, developed in 2002 , installed 0.15 million meters in market.
PLC Control developed in 2004, installed 0.02 million meters in market.
Key Pad developed in 2003 installed 0.03 million meters in market.
One Card for All . developed in 2004, installed 0.01 million meters in market.

Brief Introduction of

Remote-controlled Prepayment Watt-Hour Meter

1. Introduction

2. Function & Character

1.	Long-distance digital impulse output, corresponding collection reading system and timely supervision for working statue.
2.	Controlled by the Mircro-PC with Advanced SCM, measured digitally and with smart anti-tampering function (no influence in measurement and keep record if connection is in reserved between input and output wire.
3.	Over-current control; cut the circuit and recovery in 3-5 minutes under the case of that load current is more than 15% of Imax for 10~15 seconds.
4.	Dates are assured completely security, correct and reliable, as RC controller has been multi-encrypted
5.	Both Meter and Power-selling Management System could read the RC card that could re-record the remains, accumulative energy and working status of meter.
6.	Six-digital LED will display the remained and accumulative energy and current power alternately when rate reaches n: 1
7.	The Alarm for over is the indication to input urgently new energy. Overdraw some energy temporarily through RC controller, and meter will flash and display the remains.
8.	Break off automatically as the borrowed energy has been over the allowance ( 100kW h). Be inputted fresh energy and recovery, meanwhile, be reduced the borrowed energy.
9.	That be adopted the magnetism relay is sure the break-off security, little consumption and without pasting among contacts of relay
10.	It keeps data security automatically once power failed, and recovery completely as power back.
11.	Power-selling management system is made up of the PC RC ED device Management software .
12.	Meter could work on the base of that only any one of three phases has the electricity
13.	The meters with current of 5(20) A (40A)(80) A all have been set inside a magnetism relay, which are connected through output and input wire.
14.	The meter with the current of 6A or below regularly should be connected to a current mutual inductor (input the ratio of 1-250 into meter through RC controller), realizing to control AC contactor just like switches

3. Specification & Technical Index

	Single Phase Prepayment Electronic WattHour Meter	Three Phase Prepayment Electronic WattHour Meter




		3*100V 50(60) Hz


Full sealing Design for RC controller
Easy to operate, high sensitivity, long-life design
Especially encoding RC controller
Can measure the active energy of single phase or three-phase system of 50Hz and 60Hz prepay energy.
Maximum Load Limit and overload alarm can be preset.
Minimum Remaining Energy Limit alarm.
Automatically switch off when the remaining energy down to zero.
Display the data of total energy, remaining energy, in the meter and many infomations in Management System .

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