Hebei Shanghong Meters Technology Co., Ltd. is one of the leading manufacturers and suppliers of brass water meter body dry dial ball valve ic card for smart digital 20 mm prepaid water meters in China. If you're going to wholesale high quality brass water meter body dry dial ball valve ic card for smart digital 20 mm prepaid water meters, 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.

Brief Introduction
The prepaid water meter have mechanical and electronic readings. It is used to control users overspend by prepaying with an IC card. Pay in advance and then use water get rid of the inconvenience of on-site meter reading and charging.
Main Advantages
It can realize the water consumption mode of paying the fee first and then supplying water, which solves the problem of water fee arrears and facilitates cost management and capital return.
It has changed the charging mode of household meter reading, saved manpower and time costs, and improved charging efficiency and accuracy.
With a step-by-step pricing function, differential charges can be made according to different water consumption and water types, which promotes water conservation and rational allocation of water resources.
With the function of data storage and transmission, it can record the user's water consumption, remaining amount, switch valve time and other information, which is convenient for users to query and manage.
Product Features
·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:Connctor,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 |
The method of installing and recharging the IC card water meter is as follows:
Installation: According to the type of water meter, select the appropriate location and direction, connect the water pipe and battery, and ensure the normal operation of the water meter.
Recharge: Go to the designated water sales point, use the IC card to purchase prepaid water, and deposit the amount into the IC card.
Use: Depending on whether the water meter is contact or non-contact, insert or place the IC card on the water meter, the valve will automatically open and water can be used normally. When using water, the water meter will display the remaining amount and water consumption in real time, and will sound an alarm and close the valve when the remaining amount is insufficient. At this time, it is necessary to insert or swipe the card again to open the valve or recharge.
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 | G1 1/4B |
The wireless smart water meter has the following characteristics:
Advantages: do not enter the house to read the meter, which solves the problem of meter reading disturbing the residents; accurate measurement, high sensitivity, which is conducive to the reasonable allocation and utilization of resources; constantly monitor the user's water consumption, always operate the meter, and communicate wirelessly for each part. There is no problem of construction difficulty. At the same time, the system adopts low-power pulse meter, which has a long service life; the state of the meter can be monitored in real time; the address of the meter is unique; the system communication data adopts advanced verification methods to ensure the reliability of system data; simple and convenient construction; flexible configuration; remote networking; The meter reading is convenient, which greatly facilitates residents' life and metering management.
Looking at the present, the wireless remote water meter and its meter reading solution have become the most complete, advanced and most suitable products, and will eventually become the general trend.
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