Water Utilities Remote Meter Reading
Background
In many cities, water meter reading is done by traditional manual reading. However, water meters are dispersed in many different places, some even in remote field, so the work of meter reading is a practical problem for staff of water utilities. With urbanization and the development of communication technology, more and more cities choose network-based automatic water meter reading system to replace the traditional method.
System Requirements:
Remote Meter Reading via GPRS
In this project, the water company provided water supply for both downtown and suburban areas. In the downtown area, water meters were installed in every resident’s house; in suburban areas, meters were installed separately at each villa, and usually, the distance between two villas was 500m to 5km. Traditionally, the water company used to hire thousands of meter readers to go around to read the meter, and always spend much money on traffic and labor.
Based on the requirements of water meter automatic reading, we provided GPRS based solution. For the downtown areas, we used InDTU324 industrial GPRS modem to connected with the concentrator by RS485 bus in each apartment; for suburban areas, we used InDTU324 to connect directly to the meter of each villa. In each GPRS modem, there was a valid SIM card provided by local mobile operator. These SIM cards could provide special private APN (Private Access Point Network) service which prevented access from public internet and also enabled the access from the water company’s data center to a certain remote meter. (Regarding private APN and SIM card, you can consult your local mobile operator for more information).
Advantages
InDTU324 Industrial Cellular Modem
Related Product
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InDTU324 | Serial-to-Cellular Modems |