Robinair 75240 Coolant and Battery Refractometer
- Robinair's Coolant and Battery Refractometer is designed for use in measuring the freeze point of propylene or ethylene glycol based cooling systems and for checking the strength of electrolyte solution batteries.
- Precision instrument features high-quality optics with ultra smooth focusing to ensure reliable, accurate test results.
- When a liquid (such as coolant or charging liquid) is placed on the tools prism, the light passing through it is bent - the more concentrated the liquid, the more the light will bend.
- Scale range: -60 degrees Fahrenheit to +32 Fahrenheit.
- Complete kit includes refractometer with rugged aluminum housing, eyedropper, screwdriver, vial of distilled water, cleaning cloth, foam lined rigid plastic case, and more.