1.Self-testing of valve
2.Data storage and recovery
3.Anti-magnetic attack
4.Warning of wrong operation
Port: Tianjin/Qingdao/Shanghai
Minimum Order Quantity: 500 Unit/Units
Supply Ability: 500000 Unit/Units per Year
Payment Terms: L/C,to be negotiated
Contact SupplierPackaging Detail: In Carton
Delivery Detail: 25-30 days(Subject to the techincal requirement or order amount)
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 sections can 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
Technique Specifications
Caliber(DN) | 15mm | 20mm | 25mm |
Measure Unit | 0.1 m³ | ||
Measurement range ratio(Q3/Q1) | 80 | ||
Overflow (Q4) | 3.125 m³/h | 5 m³/h | 7.875 m³/h |
Common flow (Q3) | 2.5 m³/h | 4 m³/h | 6.3 m³/h |
Demarcation flow (Q2) | 0.05 m³ /h | 0.08 m³/h | 0.126 m³/h |
Minimum (Q1) | 0.0313 m³/h | 0.05 m³/h | 0.0788 m³/h |
Minimum reading | 0.0001m³ | ||
Maximum reading | 99999m³ | ||
Alarming Way | Close valve and alarm | ||
Alarming Money Amount | 10.24 Yuan | ||
Working temperature | Cold water meter:0.1°C~30°C; hot water meter:0.1°C~90°C | ||
Working pressure | 0.03 MPa~1MPa |