Use these digital refractometers to easily monitor the quality of your water-soluble industrial fluids and coolants. Measure propylene glycol and ethylene glycol concentrations as well as freezing point levels of your samples quickly and accurately. Units feature automatic temperature compensation and the light, compact ergonomic design is highly water-resistant (IP65 rated) and is ideal for field use. Operation is easy - place a few drops of sample on the prism, press the start key, and the measurement is displayed in three seconds. Display the freezing point by pressing the start key for two seconds while the concentration (%) is indicated. Calibration is simple - clean off the prism, add water and press the start key.
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