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Contactless IC Card Cold Water Meter ISM-009

General Introduction
Contactless IC Card Cold Water Meter is favored by water utility companies. It adopts RF card technology with wireless data transmission, waterproof, damp-proof and anti-attack. With prepaid water meter, the administrative sectionscan increase efficiency and prevent existing of overdue bills and avoid the inconvenience of house call meter reading.

Standards
CJ/T 133-2001 IC Card Cold Water Meter
GB/T 778.1-778.2-778.3-1996 Cold Water Meter
GB 4208-1993 Outer Covering Protection Level
 
Main Functions
Accumulation of water volume         Warning of insufficient water volume
Data storage and recovery            Warning of wrong operation 
Self-testing of valve                  Anti-magnetic attack
Multi-inquiry                         Digital wheel and LCD double display
 
Technique Specifications 

 

Caliber (DN)
15mm
 (1/2”)
20mm
 (3/4”)
25mm
 ( 1”)
Accuracy Level
Grade B
Measure Unit
0.1m3
Overflow Rate
3m3/h
5m3/h
7m3/h
Common Flow Rate
1.5m3/h
2.5m3/h
3.5m3/h
Demarcation Flow Rate
0.12m3/h
0.2m3/h
0.3m3/h
Minimum Flow Rate
0.03m3/h
0.05m3/h
0.07m3/h
Minimum Reading
0.0001m3
Maximum Reading
99999.9999m3
Alarm Volume
50 m3/2m3
Alarm Way
Close vale
Working Temperature
0-40cold water meter
0-90  (hot water meter)
Working Pressure
≤1.0Mpa
Material
Copper
Weight
1.4Kg
1.7Kg
2.5Kg

 

 
Model
ISM-009---wet copper base meter, horizontal installation, cold water, DN15/20/25
 
How to Use
1. Customer shall go to appointed fee-charge center and get an IC card after open his account by the smart meter management software. 
2. Customer pays for water volume firstly, and relevant data of purchased water volume and customer’s information has been written into IC card through software and IC card reader- writer.
2. Customer swipes his IC card on the induction area of meter and information in the IC card is automatically written into water meter to activate meter to start power supply.
3. During the period of water supply, the built-in microcomputer in water meter will automatically check and subtract the used water volume. When there is only 2m3left (set in advance), water meter will stop water supply to warn customer to buy water in time. The remaining water volume can be used up by swiping IC card again.
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