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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 sufficient water volume, and accumulated water volume used, making it convenient for users to query.
Protection function: The valve automatically closes when the voltage is insufficient, the power is cut off, or external magnetic interference occurs.
Prompt alarm: Promptly prompt when the battery is under voltage, the remaining water level is insufficient, misoperation, magnetic interference, and other situations occur.
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.
Data retention: User data can be retained for more than ten years, and user data will not be lost when the battery runs out of power or is cut off.
Technical Parameter
| project | Content |
| water temperature | 30°C－90°C |
| Working pressure | 1.0MPa |
| pressure loss | ≤0.063MPa |
| working voltage | 3.6V |
| Working current | <40mA |
| static current | <3μA |
| Static power consumption | 3.6V×3μA＜10.8VA |
| electromagnetic compatibility | Complies with the relevant requirements of GB/T 17626.2, GB/T 17626.3, and GB/T 17626.4 |
| Valve function | When the water pressure is 0.02 Mpa and 1.0 Mpa respectively, the water can be reliably opened and closed, and the action is flexible without any abnormal phenomena at the common flow rate (Q3). |
Basic parameters
| Measuring caliber mm | Measurement level | Qmax | Qn | Qt | Qmin |
| m3/h | |||||
| 15 | B | 3 | 1.5 | 0.12 | 0.03 |
| 20 | B | 5 | 2.5 | 0.20 | 0.05 |
| 25 | B | 7 | 3.5 | 0.28 | 0.07 |
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