DN20 prepaid ic card remote reading valve controlled water meter
Product Description
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.
Product features
·High Precision Water Measurement.
·Joint valve structure, suspension design, 1:3200 torque, Timed automatic cleaning. Ensure valve stability and smooth opening and closing.
·Long service life, 6 years battery life.
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.
Product features
·our ic card prepaid water meter has high accuracy
·Type:flange/screw/joint/split
·Material:Cast Iron/Ductile Iron/brass
·Scenes to be used:home/apartment/domestic/indoor/house/residential/housing/garden/housing/commercial/general household/residential building/for residence/apartment /municipality/household/potable/domestic residential
·waterproof level:IP68
·Technical data conform to international standard ISO 4064.
·Accuracy:class b
·Water temperature: 0.1℃~40℃ ( 0.1℃~90℃ for hot water meter).
·fitting:connctor/PCB/Valve control/reading device/adapter/actuator/battery operated/with controller/connection fittings/pipe fitting/connector fitting/coupling/pointer/components/counter/accessories/register/with valve
·communication:IC card reading/Private protocol
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 |
Main technical data
(1) Technical specifications
| Item | Unit | Details | ||
| Nominal diameter | mm | 15 | 20 | 25 |
| Q3/Q1 | R80/R100 | |||
| Overload flow(Q4) | m⊃3;/h | 3.125 | 5 | 7.875 |
| Nominal flow(Q3) | m⊃3;/h | 2.5 | 4 | 6.3 |
| Tran sitional flow(Q2) | m⊃3;/h | 0.05 | 0.08 | 0.13 |
| Minimum flow(Q1) | m⊃3;/h | 0.031 | 0.05 | 0.08 |
| Accuracy class | Class 2 | |||
| Maximum indication | m⊃3; | 99999 | ||
| Temperature class | T30,T90 | |||
| Pressure class | MAP10/MAP16 | |||
| Pressure loss class | p63 | |||
| Flow prefile sensitivity class | U10/D5 | |||
| Environmental class | Class B | |||
| Electromagnetic environment class | E1 | |||
| Static current | uA | <10 | ||
(2) 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.
(3) Working temperature: cold water (0.1~30)℃
(4) Operating ambient temperature: (5~55)℃
(5) Storage environmental temperature: (-5~55)℃
Fault handling instructions
| Item | Fault display | Fault explanation | Elimination methods |
| 1 | Under voltage | Low battery | |
| 2 | Flow | Flow sensor signal | Contact the manufacturer |
| 3 | Valve open/close | Valve sticking,rusting or scaling | |
| 4 | Can not read card | Write card error or take the wrong card | Go to water supply department to test the card |
REMOTE WATER METER COMPARISON CHART
| Prepaid | LoRa | Gprs | NB-IOT | |
| composition | Prepaid water meter IC card Reader Software | LoRa water meter Concentrator Repeater Serve Platform | GPRS water meter Serve Platform | NB-IOT water meter NB-IOT transmission base station Serve Platform |
| Communication band | None | 470-510Mhz 865-868Mhz | GSM850/EGSM900 | CDMA1X800/EGSM900 |
| Advantage | Transmit information through IC card,charge accurately install and operate easily. | LAN transmission data low power,Suitable for intensive installation real-time reading control. | Wide area network,data transmission without distance limitation and debugging,low sample order cost. | Wide coverage,low power consumption,low cost and slower rate. |
| Limitations | The stand-alone version of the software can only be read and controlled on designated computer.Backup user data when replacing a pc. | Greater impacts by obstacles and limited communication distance (up to 1 km). On-site debugging is a heavy workload. | Occasionally there will be data packet loss, high transmission rate, relatively high power consumption. | At present, NB technology is not fully mature and the coverage of base stations is low. |
| Battery capacity | more than 6 years | more than 6 years | more than 6 years | more than 6 years |
| Software payment | Free | Free | Free | Free |
| Cost | Almost no use cost. | Electricity and flow charges for concentrators. | Mobile data traffic charge of 2g data traffic in water meter. | Mobile data traffic charge of 2g data traffic in water meter. |
| necessary part of sample purchase | Prepaid water meter IC card Card Reader | Lora water meter Concentrator | GPRS water meter | NB-IOT water meter |
| software | Stand-alone application | B/S Cloudy serve platform | B/S Cloudy serve platform | B/S Cloudy serve platform |
| Software compatible | YES | YES | YES | YES |
NOTE
Avoid overuse: When using IC card water meters, you need to use water resources wisely and avoid wasting and overusing water to avoid going over budget or causing waste.
Pay attention to maintenance: IC card water meters need to be maintained and checked regularly to ensure they function properly and maintain accuracy. If there is a malfunction or problem, you need to contact maintenance personnel in time to deal with it.
Avoid violent operation: Do not use violent means to operate the IC card water meter to avoid damage to the machine or loss of data.
Prevent moisture: The interior of IC card water meters are precise electronic components, which should be prevented from moisture and water to avoid affecting the accuracy of measurement.
Proper storage of IC card: IC card water meter uses smart card technology, so it is necessary to properly store the IC card to avoid loss or damage. If the IC card is lost or damaged, it is necessary to apply for a replacement card in time.
Pay attention to anti-theft: IC card water meters store water consumption data of users internally, so you need to pay attention to anti-theft. If you find that your IC card water meter has been stolen, you should report it to the police and contact the water meter management unit for treatment.
Pay the bill according to the regulations: IC card water meters need to pay the bill according to the regulations to avoid default or delinquency. If you owe or default on the water bill, it will affect the normal use of water and may be cut off.
Pay attention to the installation location: IC card water meters should be installed in a dry, ventilated, anti-theft and easy-to-read place for easy maintenance and management.
You need a good solution for water metering---Catering all your needs.
As the China’s professional manufacturer and distributor since 2013, we have developed a comprehensive water meter range and a complete solution for the Commercial ,agriculture, Industrial and Domestic market on Mechanical type water meter and smart water meters. Moving with the changes in technology and precision metering has been the mission of the company since its genesis and we are adding metering that can support water sustainability using. Since 2017, we start the export smart water meters to the whole world, and hope more and more countries and region people can save the water with us together with the smart technology and system. Nowadays, S.H.Meters have already become one the main important exporter for water flow meters in China.
We will provide your product to your hand in timely manner and keep you informed of process with your order throughout the whole sales. From the strictly QC inspection, strictly cost control and five star quality services, we believe that you will own a more solution on water metering.