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DN15-DN25
S.H.Meters
AMI SYSTEM INTRODUCTION SIMPLE IS SMART…
System structure diagram as follows
server send commands to the data concentrator through network;
concentrator transforms the received commands into radio signal and send the signal to the water meters;
water meters respond and execute the commands accordingly;
Water meters deliver the result or data back to the management center as per the original route after the actions finished.
Service
Quality Gurantee: Water meter for 1 year;
Support install guide & test in site;
Date sheet can be sent to other management system easily.
Brief introduction
GPRS Wireless Water Meter belong to high-tech smart water meter, using of advanced wireless remote transmission technology. It transmission metered information of conventional mechanical water meter to Cloud server via GPRS.
GPRS AMR water meter is a combination of GSM wireless access technology and Internet packet switching technology.
Automatically read the metering data via wireless remote network and control the close / open of the valve, and is also able to transfer the data to the back-office system (data center) after reading the meters by wireless handset reader.
water meter is used for home/apartment/domestic/indoor/house/residential/housing/garden/housing/ground/commercial/general household/residential/building/malls/residence/school/apartment/municipality/household/potable/garden/domestic residential
Our GPRS water meter system are transmit and receive the signal from water meter via 2g signal,
water meter water meter built-in a sim card module.You can reading and control water supply via computer.
Features
With dry dial seal
Connection method is threaded connection
Non-contact water meter
Material: brass/body brass/brass body/brass water meter body/Brass interface/brass material/Cast Iron body/Ductile Iron body
Technical data conform to international standard ISO 4064.
Accuracy:class b/r100/r80
waterproof level:IP68
Require high GPRS signal intensity
fitting:connctor/lcd display/pulse output/Valve control/strainer/reading device/data logger/adapter/actuator/base table/battery operated/with controller/connection fittings/connector fitting/coupling/pointer/components/calibrator/counter/accessories/register/controller/with valve
Reading Frequency:The reading mode of GPRS water meter system is passive reading. The default reading frequency of water meter is 3 days. Reading frequency 1 time per day is acceptable.
Has a centralized monitoring system and complete software solution
Benefits
With anti-magnetic interference function.
With the battery voltage detection function.
Module with automatic data storage function when power down arises, assuring the data won’t lost when power down.
The joint of the GPRS module and the base meter uses the integrated structure, with built-in antenna, reducing the damage of antenna during the process of installation;
Using GPRS transfer mode that can drastically extend the communication.
The module uses of deep dormancy time design, it is able to completely close the wireless module during the deep dormancy time period(not in operation during night time ), which drastically help reduce the power dissipation;
Whole circuit board uses of ultra low power consumption design, power supply by high capacity lithium battery, battery life over 6 years;
Set up the metering devices by the handset reader and check the original data and data from meter reading;
Wide area network, no installation distance and water meter quantity limit.
Outline dimensional drawing
Dimension
| 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 |
Technical specifications
| Item | Unit | Details | ||
| Nominal diameter | mm | 15 | 20 | 25 |
| Q3/Q1 | R80/R100 | |||
| Overbad 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 | |||
| Pressure class | MAP10/MAP16 | |||
| Pressure loss class | Δp63 | |||
| Flow prefile sensitivity class | U10/D5 | |||
| Environmental class | Class B | |||
| Electromagnetic environment class | E1 | |||
| Power supply | 2.1V-3.6V | |||
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 S.H.Meters.
AMI SYSTEM INTRODUCTION SIMPLE IS SMART…
System structure diagram as follows
server send commands to the data concentrator through network;
concentrator transforms the received commands into radio signal and send the signal to the water meters;
water meters respond and execute the commands accordingly;
Water meters deliver the result or data back to the management center as per the original route after the actions finished.
Service
Quality Gurantee: Water meter for 1 year;
Support install guide & test in site;
Date sheet can be sent to other management system easily.
Brief introduction
GPRS Wireless Water Meter belong to high-tech smart water meter, using of advanced wireless remote transmission technology. It transmission metered information of conventional mechanical water meter to Cloud server via GPRS.
GPRS AMR water meter is a combination of GSM wireless access technology and Internet packet switching technology.
Automatically read the metering data via wireless remote network and control the close / open of the valve, and is also able to transfer the data to the back-office system (data center) after reading the meters by wireless handset reader.
water meter is used for home/apartment/domestic/indoor/house/residential/housing/garden/housing/ground/commercial/general household/residential/building/malls/residence/school/apartment/municipality/household/potable/garden/domestic residential
Our GPRS water meter system are transmit and receive the signal from water meter via 2g signal,
water meter water meter built-in a sim card module.You can reading and control water supply via computer.
Features
With dry dial seal
Connection method is threaded connection
Non-contact water meter
Material: brass/body brass/brass body/brass water meter body/Brass interface/brass material/Cast Iron body/Ductile Iron body
Technical data conform to international standard ISO 4064.
Accuracy:class b/r100/r80
waterproof level:IP68
Require high GPRS signal intensity
fitting:connctor/lcd display/pulse output/Valve control/strainer/reading device/data logger/adapter/actuator/base table/battery operated/with controller/connection fittings/connector fitting/coupling/pointer/components/calibrator/counter/accessories/register/controller/with valve
Reading Frequency:The reading mode of GPRS water meter system is passive reading. The default reading frequency of water meter is 3 days. Reading frequency 1 time per day is acceptable.
Has a centralized monitoring system and complete software solution
Benefits
With anti-magnetic interference function.
With the battery voltage detection function.
Module with automatic data storage function when power down arises, assuring the data won’t lost when power down.
The joint of the GPRS module and the base meter uses the integrated structure, with built-in antenna, reducing the damage of antenna during the process of installation;
Using GPRS transfer mode that can drastically extend the communication.
The module uses of deep dormancy time design, it is able to completely close the wireless module during the deep dormancy time period(not in operation during night time ), which drastically help reduce the power dissipation;
Whole circuit board uses of ultra low power consumption design, power supply by high capacity lithium battery, battery life over 6 years;
Set up the metering devices by the handset reader and check the original data and data from meter reading;
Wide area network, no installation distance and water meter quantity limit.
Outline dimensional drawing
Dimension
| 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 |
Technical specifications
| Item | Unit | Details | ||
| Nominal diameter | mm | 15 | 20 | 25 |
| Q3/Q1 | R80/R100 | |||
| Overbad 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 | |||
| Pressure class | MAP10/MAP16 | |||
| Pressure loss class | Δp63 | |||
| Flow prefile sensitivity class | U10/D5 | |||
| Environmental class | Class B | |||
| Electromagnetic environment class | E1 | |||
| Power supply | 2.1V-3.6V | |||
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 S.H.Meters.
