Ratiometric Turbidity Meter, Infrared (LED) Lamp, Material: Plastic, 2020T version with tungsten bulb is best suited for low level drinking water applications
Ratiometric Turbidity Meter, Infrared (LED) Lamp, Material: Plastic, 2020i version best suited for natural waters, samples of higher turbidity and samples with some color
Transparent Turbidity Tube, simple apparatus is used to determine the transparency of water in lakes, streams, oceans as well as other bodies of water, Contains: 60cm transparent turbidity tube, rubber stopper with Secchi disc, 20cm silicon tube, Hoffman's clip, steel
Turbidity, measurement of the cloudiness of a fluid, fill the tube with water and drain it slowly by limiting flow, this measurement will give you the NTU or Nephelometric Turbidity Unitinch the unit of measure for the cloudiness of the water