News — Refractometers

CLEANING TIPS: - The glass prism and daylight plate must be gently cleaned after each use. Any residue left on the prism will affect the way the light refracts on the next sample. If your sample is oily or sticky a mild detergent that is diluted can be used, along with a microfiber or non-abrasive lint-free cloth. - Do not hold the refractometer under a stream of water from a faucet to rinse it off. The entire unit is not watertight, just the prism is sealed to the housing. This applies to our handheld and digital units. CALIBRATION TIPS: -...