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- Brand: TPI Instruments
- The 395 Handheld Refractometer is designed to give an accurate reading regarding the freezing point of fluids used in hydronic heating systems. It is quick and easy to use. Place a drop of fluid on the prism, close the plastic lid, and look through the eye piece: where the blue and white colors meet indicates the freezing point of the coolants or the state of change for batteries..
- Test propylene glycol, ethylene glycol and battery fluidsDoes not degrade like litmus paper; allows for more accurate readingsCushioned eye piece for easy viewingSmooth focus adjustment for reliable repeat testing
- Test propylene glycol, ethylene glycol and battery fluids
- Does not degrade like litmus paper; allows for more accurate readings
- Cushioned eye piece for easy viewing
- Smooth focus adjustment for reliable repeat testing