A refractometer is a tool to test the glycol percentage of your chiller system. Operating with a proper glycol percentage is critical for safe system operation of any glycol chiller system.
Refractometer has metal body, rubber grip handle, cushioned eyepiece and calibration glass. Included with refractometer is a calibration screw driver, distilled water for calibrating, fluid dropper, microfiber cloth, and a carrying case.
|8 × 3 × 3 in