The Milwaukee Sharp EC Waterproof tester is a conductivity meter suitable for heavy-duty applications such as waste-water treatment and agriculture, and has automatic temperature compensation, manual one-point calibration, and automatic shutoff for low battery to prevent erroneous readings. It has an IP67 waterproof casing. Conductivity meters are commonly used in the water-quality testing, waste-water treatment, hydroponics, agriculture, and aquaculture industries, in cosmetics manufacturing, and in laboratory research. Conductivity meters, also known as electrical conductivity (EC) meters, measure the ability of a solution or material to conduct an electrical current. This measurement helps determine if the solution is, for example, contaminated or contains too much saline.

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