SPER SCIENTIFIC® Portable Coolant Refractometer

Portable Coolant Refractometer Travels With You Anywhere

Accurate, professional-quality Portable Coolant Refractometer measures dissolved substances accurately in the lab or in the field. Since no battery or other power source is needed, it's totally portable—you get precise, reliable readings with ambient light! Simply place a drop or two of your sample on the prism and read the results immediately.
Features a rubber-coated hand grip and insulated construction to prevent inaccuracy caused by body heat. The covered eyepiece and bright, clearly defined scale make it easy to read measurements. Includes calibration tools, solutions, transfer pipettes, protective case and complete instructions.
Coolant Refractometer measures Ethylene Glycol (–60° to 32°F), Propylene Glycol (–50° to 32°F) and Battery Acid Specific Gravity, 1.15-1.30.