Today's advanced ultrasonic flow meters enable the accurate measurement of liquid flow across a wide variety of process control, water resource management, and energy consumption applications. But for accurate measurement in even the most remote areas, the use of wireless or GPRS Telemetry is becoming more common to enable consistent monitoring of water and other liquids where it wasn't possible before.
GPRS or General Packet Radio Services is a wireless communication service that is used for the wireless, continuous transfer of data. This technology has been widely adapted for use by water management professionals for tracking and monitoring water and other liquids in remote terrains where traditional instruments would prove impossible to implement and maintain.
The benefits of wireless telemetry in flow measurement applications are clear; specifically they allow for the accurate, continuous measurement even in the absence of electricity or alternative power supplies. These systems can be run on batteries which can be replaced over extended periods of time, or, can operate by small solar panels when they are installed in open, outdoor locations. The power and flexibility of wireless telemetry provides a foundation for continuous and consistent data signaling and capture, 24/7.
GPRS-based data management systems offers accurate, affordable solutions for remote metering of flowmeters, temperature sensors, pressure sensors, level sensors, BTU meters, etc., in real-time. Some of these systems provide web-based reporting and data visualization via secure portal or a mobile device. Typical components of a GPRS Telemetry flow metering system can include:
Ultrasonic or magnetic meters with built-in GPRS wireless modem, automatically transmiting flow data to the data center on a regular basis. A SIM card can be inserted into the modem, with proper support of GPRS data service from your mobile service provider.
Provided by your cell phone company, the GPRS technology transmits data from the meter to the data center server via wireless connection. Each meter requires a wireless connection by inserting a SIM card into the wireless modem of the meter.
The GPRS wireless network sends meter data to the data center server, which provides data security, UPS and backup protection, static IP address, gateway, and firewall protection. The server software automatically collects data from all the remote meters, and saves data to a standard SQL database.
This software communicates with the data center server via the Internet, and displays data through a graphical interface, where it can be viewed, saved, manipulated, and out for print.
Secure customer portals can be deployed so that data can be viewed anytime, anywhere from remote computers or secure mobile devices.
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