Turbidimeter

Turbidimeter
A device that measures the cloudiness of suspended solids in a liquid; a measure of the quantity of suspended solids.
Source: Terms of the Environment ...

turbidimeter
an instrument for measurement of turbidity in which a standard suspension is used for reference.
turbidity ...

turbidimeter. A device that measures the amount of sus-
pended solids in a liquid.
turbidity (ter-BID-it-tee). The cloudy appearance of water ...