Milwaukee T75 Waterproof Low Range Total Dissolved Solids Pen (TDS)
The Milwaukee T75 Waterproof Total Dissolved Solids (TDS) Pen is designed for aquariums, aquaculture, education, water conditioning and many other applications. The T75 helps to make sure that fish have the right TDS balance to keep healthy. TDS also aids in keeping filters clean and up to date for water filtration.
CARE AND USE
TDS/PPM electrodes can develop nutrient build up over time. To minimize build up, always rinse the probe in fresh tap or DI water after every use.
CONVERTING TDS TO EC
The Milwaukee TDS Pen, like all TDS meters, provides a measure of Total Dissolved Solids (ppm) reading of contaminates per unit of volume in a solution.
TDS/PPM is often converted to uS/cm. Different scales include the 500 scale, 650 scale and the 700 scale.
Your TDS/PPM readings can be approximately converted to uS/cm as shown in the examples below.
1 ppm = 2 uS/cm on the 0.5 factor scale
1 ppm = 1.43 µS/cm on the 442 scale or .70 factor scale
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