The antifreeze refractometer can be used for measuring the freezing point of glycol, antifreeze, coolant and battery acid.

This refractometer features Automatic Temperature Compensation (ATC), and can also be used for checking the condition of electrolyte solution batteries.Measures the freezing point of automobile antifreeze based on ethylene glycol or propylene glycol.

This is a quality optical instrument that includes a soft carrying case, bulb filler, screwdriver and instructions.

• Soft rubber eye piece for comfortable viewing
• Comfortable non-slip rubber grip
• Measurement scale provides direct reading
• Accurate testing results
• Extremely easy to use and calibrate
• Durable and built to last
• Adjustable manual focus
• No battery or power source required