The US Bureau of Reclamation (USBR) has a water-level system on a 10-ft. Parshall flume. The flume resides on the Carbon Canal between Helper and Price, UT. The system consists of a potentiometer-based float/pulley assembly that measures stage, our CR510 datalogger, and a cellular phone link using a Campbell Scientific COM310 voice-synthesis phone modem. Water users can call the site and hear a voice telling them the water level and discharge. A marine deep-cycle battery that is charged by a 20-W solar panel powers the system.

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Case Study Summary


Measuring stage and discharge with an instrumented Parshall flume


Carbon Canal between Helper and Price, UT

Products Used

CR510  COM310 

Participating Organizations

US Bureau of Reclamation

Measured Parameters

Water level (with a shaft encoder, float, and pulley)

Participating Consultants/Integrators

Electronic Data Solutions