Robinair ROB75240 Coolant and Battery Refractometer
Product #: ROB75240
Detailed Description: • This model can be used for measuring the freezing point of either propylene or ethylene glycol based cooling systems.
• It can also be used for checking the strength of electrolyte solution batteries.
• This precision instrument features high-quality optics with ultra smooth focusing.
• Scale range: 32° F to -60° F.