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Large caliber external mounted rural irrigation special meter
1、 Product Introduction: The product consists of large-diameter water meters, sensors, valves, controllers, etc
Product details
1、 Product Introduction
The product consists of large-diameter water meters, sensors, valves, controllers, etc. Caliber ranges from DN40 to DN200. Suitable for industrial and commercial control of water supply and pre fee management.
The product consists of large-diameter water meters, sensors, valves, controllers, etc. Caliber ranges from DN40 to DN200. Suitable for industrial and commercial control of water supply and pre fee management.
2、 Product Features
1. Large caliber smart water meters have an IP68 waterproof rating.
2. The electronic control box has an IP56 waterproof rating.
3. The sensor pulse signal is processed by the processor and transmitted as data information with high anti-interference characteristics.
4. In case of power failure, data will not be lost and measurement can continue.
5. The valve is fully opened and closed using both electronic and mechanical electric shock detection.
6. Use CPU cards to implement prepaid functions and communication media between meters and computer water sales management systems. High safety factor and more accurate data transmission.
7. Dual power supply mode of 220V AC power supply and dry battery power supply, with automatic detection and switching of power supply by the microcontroller. Under normal circumstances, the default AC power supply is 220V.
8. The actuator uses an electric butterfly valve, which has advantages such as small installation size and high reliability.
9. It has RS-485 remote transmission interface, which can be used for data transmission for those who need remote monitoring. Or connect the GPRS transmission device.
3、 Main technical parameters
1. The basic error meets the requirements specified in GB/T778.1.
2. Static current of controller: I ≤ 50 mA
3. Static current of collector: I ≤ 6mA
4. Maximum current: I ≤ 4A
5. Electromechanical conversion error: less than or equal to 1 pulse equivalent.
6. Adapt to environmental temperature: 0-55 degrees Celsius
7. Long distance transmission: L ≤ 1km.
8. Collector communication: RS485 bus.
4、 Main functions
1. Pre paid control of water usage.
2. The valve will automatically close when the remaining amount is zero, and will automatically open when the remaining amount is greater than zero.
3. Battery voltage detection and power switching, default mains power is the common power source.
4. If a fault occurs, the first letter of the line in English E or F will be followed by a code.
5. The operation display buttons show in rotation: remaining, overdrawn, consumed, and accumulated water volume. Display interval of 5 seconds.
6. The backup battery supports 72 hours of use.
7. Indicator light prompts: card insertion, card withdrawal, valve opening, valve closing, communication, alarm and other status.
5、 Precautions
When users want to check the usage of the CPU card cold water meter, they can use the "Display" button on the control box to check the water volume information, or insert the card face down into the card slot to check.
Before returning the card, wait for the card insertion light to flash before returning it.
When the remaining water is insufficient, please bring this card to the water sales department to purchase water.
If you are unable to recharge by card, please contact the water sales department in a timely manner to ensure normal water usage.
5. It is normal for water or bubbles to appear under the glass of the water meter during use. Due to the impact of water hammer, slight movement of the pointer when not in use is also normal.
6. Pay attention to protecting the metal protective layer of the casing to prevent detachment and rusting of the case.
When the base meter exceeds the measurement tolerance,
When the reading on the base meter does not match the reading on the control box, the number on the base meter shall be used as the basis for water fee settlement.
1. Large caliber smart water meters have an IP68 waterproof rating.
2. The electronic control box has an IP56 waterproof rating.
3. The sensor pulse signal is processed by the processor and transmitted as data information with high anti-interference characteristics.
4. In case of power failure, data will not be lost and measurement can continue.
5. The valve is fully opened and closed using both electronic and mechanical electric shock detection.
6. Use CPU cards to implement prepaid functions and communication media between meters and computer water sales management systems. High safety factor and more accurate data transmission.
7. Dual power supply mode of 220V AC power supply and dry battery power supply, with automatic detection and switching of power supply by the microcontroller. Under normal circumstances, the default AC power supply is 220V.
8. The actuator uses an electric butterfly valve, which has advantages such as small installation size and high reliability.
9. It has RS-485 remote transmission interface, which can be used for data transmission for those who need remote monitoring. Or connect the GPRS transmission device.
3、 Main technical parameters
1. The basic error meets the requirements specified in GB/T778.1.
2. Static current of controller: I ≤ 50 mA
3. Static current of collector: I ≤ 6mA
4. Maximum current: I ≤ 4A
5. Electromechanical conversion error: less than or equal to 1 pulse equivalent.
6. Adapt to environmental temperature: 0-55 degrees Celsius
7. Long distance transmission: L ≤ 1km.
8. Collector communication: RS485 bus.
4、 Main functions
1. Pre paid control of water usage.
2. The valve will automatically close when the remaining amount is zero, and will automatically open when the remaining amount is greater than zero.
3. Battery voltage detection and power switching, default mains power is the common power source.
4. If a fault occurs, the first letter of the line in English E or F will be followed by a code.
5. The operation display buttons show in rotation: remaining, overdrawn, consumed, and accumulated water volume. Display interval of 5 seconds.
6. The backup battery supports 72 hours of use.
7. Indicator light prompts: card insertion, card withdrawal, valve opening, valve closing, communication, alarm and other status.
5、 Precautions
When users want to check the usage of the CPU card cold water meter, they can use the "Display" button on the control box to check the water volume information, or insert the card face down into the card slot to check.
Before returning the card, wait for the card insertion light to flash before returning it.
When the remaining water is insufficient, please bring this card to the water sales department to purchase water.
If you are unable to recharge by card, please contact the water sales department in a timely manner to ensure normal water usage.
5. It is normal for water or bubbles to appear under the glass of the water meter during use. Due to the impact of water hammer, slight movement of the pointer when not in use is also normal.
6. Pay attention to protecting the metal protective layer of the casing to prevent detachment and rusting of the case.
When the base meter exceeds the measurement tolerance,
When the reading on the base meter does not match the reading on the control box, the number on the base meter shall be used as the basis for water fee settlement.
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