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RF card water meter
Measuring Grade: Class 2
Contour Size (mm): DN15:165*86*114  DN20:195×86×114  DN25:225×86×114
Electric Source: 3.6V lithium battery
Quiescent current: 0 A
Working Water Temperature: Cold water meter:0-40℃  Hot water meter: ≤90℃
Valve form: ball valve
Shell Material: Polymer Alloy, Copper
Electronic display unit: 0.1m3
Nominal Pressure: <1.0MPa
Power supply: 3.6V lithium battery
Static Current: 0 A
Product Detail


Measuring Grade: Class 2

Contour Size (mm): DN15:165*86*114



Power supply: 3.6V lithium battery

Static operating current: 0 A

Working Water TemperatureCold water meter0-40℃

Hot water meter ≤90℃

Valve form: ball valve

Shell Material: Polymer Alloy, Copper

Electronic display unit: 0.1m3

Nominal Pressure: <1.0MPa

Technical performance

1. Batteries are external to facilitate maintenance and operation.

2. Fully sealed, multi-moisture-proof and waterproof treatment, fully sealed circuit part, suitable for working in immersed and waterlogged environment.

3. Using large-capacity chips to reduce the peripheral circuit has high reliability and low failure rate.

4. High-quality valves, flexible switches, strong reliability, long service life.

5. Double display, double display of wheel and LCD, higher reliability and safety.

6. High precision, high sensitivity, accuracy (error) and sensitivity (starting flow) are doubled compared with the national standard.

7. New environmental protection materials: the case is made of high polymer alloy material (suitable for industrial power transmission gears), with high strength (through 3MPa water pressure test and 20m high-altitude drop test), good toughness (resistance to falling and freezing), weather resistance, high temperature resistance (resistance to boiling water), low temperature resistance, light weight, non-metal corrosion, anti-mildew, more in line with environmental protection and hygiene requirements, compared with other materials, is: Better case material.

8. Zero Power Consumption: The static working current is zero and the battery life is long.

Intelligent Function

1. Auto-switch: recharge water for opening valves, no value for closing valves, auto-switch valves; pre-charge water, no need to enter the home meter reading, charging.

2. Encryption security: One table (one household) and one card automatically generate and identify IC card passwords, which correspond to each other and are not interchangeable.

3. Anti-magnetic interference: When magnetic interference occurs, the valve closes automatically and opens automatically after swiping the card.

4. Early warning: When the remaining water is 2 m3 (set according to user's requirements), the valve is promptly closed, reminding users to buy water as soon as possible; at this time, the card can open the valve and continue to use water.

5. Overdraft: The overdraft can be set in the management system. When the overdraft is reached, the valve closes and the valve can not be opened until water is purchased.

6. Anti-hoarding water quantity: When the residual value is greater than the limit, the water meter does not read the amount of water purchased in the card.

7. Save and write back the monthly water consumption for 5 years.

8. Write back and automatically store the remaining amount to the database.

9. Low-power warning: When the power is insufficient, the LCD display is insufficient, prompting the timely replacement of batteries.

10. Low-power shutoff valve: If the battery is not replaced in time after low-power warning, the valve will be closed and the battery must be replaced before the valve can be opened for water supply.

11. LCD display: LCD display accumulative amount of water, residual water, valve switch, power status, fault code and other information.

12. Query display: the display is often closed, and the user card shows the amount of residual water and cumulative consumption.

13. Anti-clogging function: Control program automatically cleans the valve to keep the valve flexible.

14. Data write-back: User card can write back the data of water meter. It can read the working state of water meter in management system, which is convenient for management.

15. Management card function: inquiry card and transfer card are used by managers in inquiry and maintenance.

16. Step pricing: 2-step demarcation tonnage limit and 3-step water price. When the monthly water consumption reaches the demarcation point, the water price will automatically be charged according to the next step, and the water price will automatically be restored to the first level at the beginning of the month. The tonnage limit and price re-management system is set up, which is downloaded to the water meter by setting card or user card.

17. The lowest consumption of the corresponding period can be set according to the step price cycle.

18. Portable Bluetooth Card Reader or Self-service Card Reader can be used to recharge for user convenience.

19. The electromechanical separation structure saves one third of the update cost when the base table is updated periodically.

20. Five levels of stepped price are optional.

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