New sensor to monitor development of algae

"Our new sensor provides insight into the number of algae in water streams and sources," the Sendot team shares. Algae are a source of organic matter and the cause of bacterial growth and the development of unfavorable oxygen situations and pollution in pipes. 

The algae sensor works on the basis of light pulses and continuously records the fluorescence of the chlorophyll of the algae in the water. This measurement determines the amount of chlorophyll, which indicates algae concentration.

"Even before you can see algae growth with the naked eye, our new sensor detects algae. As a result, growers are better able to monitor the quality of the water and can therefore detect problems earlier and take (precautionary) measures faster and more effectively. In this way, it contributes to healthy, future-proof water quality.

"The current range of products that measure and monitor algae growth are often research instruments and thus difficult to fit into a cultivation environment. A mobile sensor that can be easily connected to a climate computer is, therefore, an added value for monitoring water quality at an early stage."

After you have placed the optrode in the medium to be measured, you can start a measurement via the display of the sensor. You can do an ad-hoc measurement, but you also have the option to log the sensor for a while. You can read out the data (after the fact) via software. There are also versions of the sensor that can be connected (wirelessly) to the climate computer via an analog connection or 30Mhz via a digital connection.

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