DFRobot Gravity Analog water turbidity sensor Arduino compatible

The arduino turbidity sensor detects water quality by measuring level of turbidity. It is able to detect suspended particles in water by measuring the light transmittance and scattering rate which changes with the amount of total suspended solids (TSS) in water. As the TTS increases, the liquid turbidity level increases. You may also check Liquid Sensor Selection Guide  to get better familar with our liquid sensor series. 

This arduino turbidity sensor have both analog and digital signal output modes. You can select the mode according to the MCU  as threshold is adjustable in digital signal mode. 

Turbidity sensors can be used in measurement of water quality  in rivers and streams, wastewater and effluent measurements, sediment transport research and laboratory measurements.