Hebei Shanghong Meters Technology Co., Ltd. is one of the leading manufacturers and suppliers of dn40 prepaid water meter smart reading ic card smart digital prepaid water meter in China. If you're going to wholesale high quality dn40 prepaid water meter smart reading ic card smart digital prepaid water meter, welcome to get pricelist and quotation from our factory.
Key Features of ic card prepaid water meter
ISO4064 Class B
Multi-Jet
Made in Brass or stainless
Electronic meter
Benefits of ic card prepaid water meter
One or several Mifare card prepaid meter for one family; one card for several meters is available, including cold, hot and purified water meter, electricity meter and gas meter.
Superior Waterproof performance thanks to the sealed design, easy to operate by data storage reliable and rapid response Mifare card.
Low credit warning by closing the valve, and this time the valve can be opened by inserting the card. The valve closes when no balance and reopened by re-debited card.
Internal clock circuit switches the valve regularly to prevent the valve rusting, plugging up, etc.
Detailed LCD display, the data can be saved when the power off.
Patent ball valve, resists high temperature, low power consumption, low pressure loss.
Low battery alarm, battery life is more than 6 years based on low power consumption design
Accurate measure due to anti-jamming and magnetic features based on non-magnetic sample patents technology.
1. Relative Error
Error Q1-Q2 ± 5%
Error Q3-Q4, water temperature ≤30ºC, max permissible error ±2%; water
Temperature >30ºC
max permissible error ± 3%
2. Working temperature:(0.1~40)ºC for cold water meter; (0.1~90)ºC for hot water
3. Working pressure: ≤1.0Mpa
4. Pressure loss≤0.063Mpa
5. Installation environment: Class 2, indoor, fixed type installation
6. Electromagnetic environment: E1- residential, commercial, light industrial
7. Working current Static: <10uA
8. Flow profile sensitive class: U10, D5
9. Storage ambient temperature:(5~50)ºC
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