Hebei Shanghong Meters Technology Co., Ltd. is one of the leading manufacturers and suppliers of 3/4'' digital ic card prepayment smart water meters with software in China. If you're going to wholesale high quality 3/4'' digital ic card prepayment smart water meters with software, welcome to get pricelist and quotation from our factory.

PREPAID SYSTEM INTRODUCTION
Overviews
The IC Card series water meter is a kind of prepaid and smart water meter. It’s designed and manufactured by our company and famous design companies both domestic and aboard according to the international standard.
Advantage of the system
·OEM, language display and currency unit display can be customized, and company name can be added to the software.
·The data will be saved automatically after exiting the system.
·Simple management and user card making, easy to query consumption records.
·Invoice printing, providing payment voucher to users in the most common form in the local area.

Benefits of IC card prepayment smart water meters
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 (Patent No.: ZL01277043.4)
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.
Product features of IC card prepayment smart water meters
·Our ic card prepaid water meter has high accuracy
·Type: screw,joint,split
· Material: Brass
·Scenes to be used: garden, housing,commercial, general household, residential building,apartment,municipality, household, potable
·Waterproof level: IP68
·Technical data conform to international standard ISO 4064.
·Accuracy: class b
Fitting:Connector,PCB,Valve control,Reading device,Adapter,Actuator,Battery operated,Pipe fitting,Connector fitting, Coupling,Pointer,Components,Counter,Rgister
·Communication:IC card reading,Private protocol
Main technical data
(Ⅰ) Technical specifications
Item | Unit | Details | ||
Nominal diameter | mm | 15 | 20 | 25 |
Q3/Q1 | R80/R100 | |||
Overload flow(Q4) | m³/h | 3.125 | 5 | 7.875 |
Nominal flow(Q3) | m³/h | 2.5 | 4 | 6.3 |
Transitional flow(Q2) | m³/h | 0.05 | 0.08 | 0.13 |
Minimum flow(Q1) | m³/h | 0.031 | 0.05 | 0.08 |
Accuracy class | Class 2 | |||
Maximum indication | m³ | 99999 | ||
Temperature class | T30,T90 | |||
Pressure class | MAP 10/MAP16 | |||
Pressure loss class | ΔP63 | |||
Flow prefile sensitivity class | U10/D5 | |||
environmental class | Class B | |||
Electromagnetic environment class | E1 | |||
Static current | uA | <10 | ||
(Ⅱ) Relative error
·Maximum permissible error between Q1 and Q2(excluded) is ±5% in flow low area.
·When the water temperature is not higher than 30℃, maximum permissible error between Q2 and Q4(included) is ±2% in flow high area.
·When the water temperature is higher than 30℃, maximum permissible error between Q2 and Q4(included) is ±3% in flow high area.
(Ⅲ) Working temperature: cold water (0.1~30)℃
(IV) Operating ambient temperature: (5~55)℃
(V) Storage environmental temperature: (-5~55)℃
Fault handling instructions
Item | Fault display | Fault explanation | Elimination methods |
1 | Under voltage | Low battery | Contact the manufacturer |
2 | Flow | Flow sensor signal failure | |
3 | Valve open/close | Valve sticking rusting or scaling | |
4 | Can not read card | Write card erroror take the wrong card | Go to water supply department to test the card |
Outline dimensional drawing

Nominal Diameter | Length L | Length L1 | Width B | Height H1 | Height H2 | Connecting Thread | |
mm | d | D | |||||
15 | 258 | 165 | 90 | 112 | 184 | R1/2 | G3/4B |
20 | 299 | 195 | 90 | 112 | 184 | R3/4 | G1B |
25 | 345 | 225 | 90 | 114 | 186 | R1 | G11/4B |
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