Hebei Shanghong Meters Technology Co., Ltd. is one of the leading manufacturers and suppliers of gprs wireless ami water meter in China. If you're going to wholesale high quality gprs wireless ami water meter, welcome to get pricelist and quotation from our factory.
GPRS WIRELESS AMI WATER METER

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 transmission technology. It transmission metered information of conventional mechanical water meter to Cloud server via GPRS.
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.
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 | |||
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 | |||
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 | |||
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