Zhejiang Hangyi Instrument Co., Ltd
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    No. 181 Wuchang Avenue, Yuhang District, Hangzhou City, Zhejiang Province
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RF card water meter
RF card water meter
Product details

major function

Control function: Recharge pre deposited water fees through purchasing water cards, pay first before use, and eliminate the phenomenon of water fee arrears.

Query display: The LCD can display the current sufficient water volume, remaining purchased water volume, and accumulated water volume used, making it convenient for users to query.

Protection function: The valve automatically closes when there is insufficient voltage, abnormal signal, or external magnetic interference.

Prompt alarm: Promptly prompt when the battery is under voltage, the remaining water level is insufficient, misoperation, magnetic interference, and other situations occur.

Automatic statistics: Automatically track the actual monthly water usage of users, facilitating management by operators.

Anti blocking: Adopting patented design of anti freezing circuit and valve anti blocking to prevent the malfunction of the water meter actuator.

Automatic maintenance: Set self checking function in the table to detect valve flexibility and prevent battery sleep. The detection time can be set according to user needs.

Data retention: User data can be saved for up to ten years, and will not be lost if the battery runs out of power or is cut off.

Technical Parameter

Project Content
water temperature 0.1°C-30°
Working pressure 1.0MPa
pressure loss 0.063MPa
working voltage ≤3.6V
Working current <40mA (temperature 15 ℃~35 ℃)
static current Less than 3 μ A
Static power consumption 3.6V×3μA<10.8μVA
Electromagnetic compatibility of IC card water meter Complies with the relevant requirements of GB/T 17626.2, GB/T 17626.3, and GB/T 17626.4
Valve performance When the water pressure is 0.02MPa and 1.0MPa respectively, the electric control valve can reliably open and close, operate flexibly, and have no abnormal phenomena when water is supplied at the common flow rate (Q3)


Basic parameters

Measuring caliber Measurement level Common traffic Q3 Q3/Q1 Q2/Q1 MINIMUM READING Maximum reading
mm class m3/h m3
15 level 2 2.5 63/80/100 1.6 0.0001 99999
20 4 63/80/100 1.6
25 6.3 63/80/100 1.6

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