The Aquacolor Biofilm sensor for stables is placed in the water line and measures real time the quality of the drinking water for e.g., poultry. The water quality can be monitored real time on a smartphone using a wifi connection. Also calibration of the sensor can be done by the use of a smartphone. The sensor also has a 0-5 Volt output to connect it with your flushing computer or climate computer. Also, the sensor is ready for use with an optional control unit equipped with LED alarm and relay functionality. See the short instruction manual for more explanation.