The sensor used for measuring pH is a pH electrode, consisting of a measuring electrode and a reference. Refractometer Shop now stocks a range of SenTix® quality electrodes from WTW, a Xylem brand. Low-resistance membrane glass give stable measurement signals even at low temperatures.

What substances does a refractometer measure?

The refractometer is a well-established instrument used for measuring the water content of liquids. It measures the refractive index of the liquid, which changes according to the moisture content.

What fluids can be checked with a refractometer?

Refractometers can measure both Ethylene and Propylene glycol based coolant/antifreeze very accurately.