Latest product launches

New Bubbler Water Level Sensor

Posted: Monday 13th August 2007

OTT Hydrometry is launching a new highly accurate water level sensor that company Managing Director, Simon Wills believes “will offer substantially improved performance over traditional pressure transducers.”

The new sensor, known as the CBS (compact bubbler sensor) is able to accurately measure even turbulent water levels, but does not require a stilling well and can be located well away from the water course location (up to 150m). It operates by forcing bubbles through a tube located under the water surface; the deeper the water above the tube opening, the greater the pressure required to release a bubble.

Bubbler sensors are commonplace in many countries for recording water levels, however, many older systems are bulky and require regular supplies of compressed air. In contrast, the CBS incorporates a tiny internal pump that generates sufficient pressure to make readings at user-defined intervals. As a result, the sensor is extremely small which, coupled with a 4-20mA or SDI12 output, makes the device ideal for inclusion in a hydrometric monitoring station.

The CBS does not suffer from drift or temperature effects, but the key benefit is low cost of ownership – maintenance is negligible, power requirement is very small and a robust design means that users can expect many years of unattended monitoring.

For more information email s.wills@ott-hydrometry.co.uk




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