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Smart digital with smart card and software prepaid water meter

GPRS Wireless Water Meter belong to high-tech products in the smart water meter,using of advanced wireless transmission technology .It transmission metered information of conventional mechanical water meter to Cloud server via GPRS .
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  • DN15-DN25
  • SHMETERS


prepaid water meter

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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.

IC-

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

Outline

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) m³/h 3.125 5 7.875
Nominal flow(Q3) m³/h 2.5 4 6.3
Tran sitional 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 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

 

 

FAQ

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

 

FREQUENTLY ASKED QUESTIONS

Water meter

1. How long is the battery life?

Using ER26500 batteries with a capacity of up to 9000 mAh and the frequency of reading meters once a day, the battery life can reach up to 8 years.

2. Waterproofing grade?

At present, the LoRa wireless water meter adopts the technology of full encapsulation and sealing. It uses the silicon gel packaging circuit board part, and the battery plug and socket is also sealed to reach the IP68 protection level.

3.Can your product run underwater?

This product can be soaked in water, but soaking in water will affect the stability of signal transmission, because the signal transmission in water will be greatly affected

4. Can you make Lora ultrasonic valve-controlled water meter?

No, because the built-in valve will have a greater impact on the stability of the ultrasonic measurement, the higher the frequency of the switch valve, the greater the impact on the accuracy of measurement.

5. If the valve cannot be closed or opened, how can it be found and handled?

If the valve is blocked by sand and gravel flowing into the pipeline, the program in the water meter will try to execute the action of the on-off valve within 40S.

If the valve can not be switched normally, the water meter will give up the instruction and return the failure data to theplatform.

On the platform, the relevant information of the water meter can beviewed for the convenience of the management.

 

Pre-sales and after-sales service

1. Pre-sales service

Patient product introduction.

AMR system demonstration.

Project cases introduction.

Supporting sample order.

2. After-sales service

Instalation intructions, include software parts and water meters parts;

Support data butt to the third management system;

installation supervision, commissioning ad training on site;

Keep long time follow up & services even beyond warranty time.

 

Communication and serve platform

1. Does the GPRS wireless water meter need a concentrator or a collector?

No, because the GPRS wireless water meter uses the existing GPRS communication tower for data transmission, which is similar to the mobile phone signal transmission.

2.How many Lora water meter can be connetted into one concentrator?

At present, the maximum carrying capacity of one concentrator is

500 pieces.

Considering the actual installation density of the community, generally speaking, it will be much lower than this number.

3.What data can the platform collect from water meters?

At present, our platform can collect accumulative flow rate, battery voltage, upload time on the water meter, and ultrasonic LoRa can also collect instantaneous flow rate.

4. How does the concentrator transmit data?

The concentrator needs 220V power supply and uses GPRS to transmit data to the PC platform.

5. How about the transmission distance?

The distance of LoRa data transmission is mainly affected by the actual installation environment. In relatively spacious transmission environment, the transmission distance can reach 1000-1500 meters.

Generally speaking, the concentrator will be installed at the commanding heights of the community.

GPRS water meter Under the GPRS signal, the data uploaded by GPRS water meter is not affected by distance.

6.How do you know that the water meter is out of order and there is no data to return?

First, we can check the alarm function on the platform to see that the water meter has no data return, and then check the installation environment to see if there is obvious damage, and can use the initiative to trigger the water meter to be on-line way.

7. Is the platform free? Can it pay in advance?

It is free, and the administrator can pre-charge the amount of money

It is free, and the administrator can pre-charge the amount of money

on the platform and set up user information files for each useron the platform and set up user information files for each user.

8. Warranty?

All meters will be guaranteed against defects in workmsnship and meterials for a period of one (1) year from the date of acceptance. Defective meters or parts discovered within this period shall be replaced without charge upon return to the SHMETERS.

 

Company Information

STS_10.

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, SHMETERS 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.

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