Efficiency measurement and ex-proof GPRS data transmission - Water and Wastewater - Water Monitoring and Testing

Application: Concrete pipe DN 1200. Part filled. Levels temporarily tending to zero. No power supply available. Ex Zone 1.

Definition of Tasks

Temporary Installation of a flow measurement system to investigate precipitation discharge and
channel capacity utilisation
Reliable detection of lowest levels during the night
Automatic data transmission and error messages/remote maintenance via GPRS

The portable flow measurement system PCM Pro with an Ex-proof GPRS data logger Type NivuLog Ex have been used.
The built-in pressure measurement cell of the flow velocity sensor allows to detect the channel overflow.
Using an additional air-ultrasonic sensor (LUS) ensures reliable measuring of even lowest discharge during the night.
Highly efficient data compression as well as the particular transmission behaviour guarantee reliable data transmission despite massive channel walls and metal manhole covers.
The NIVUS 'Device to Web' data portal allows direct access to the measurement system as well as to the connected sensors.

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