The refractometer is a precision instrument which tests the freezing levels of Antifreeze and battery fluids and has an automatic temperature compensation facility.
- Contents: refractometer, precision screwdriver for the calibration screw.
- Tests the freezing levels of antifreeze and battery fluids.
- Automatic temperature compensation.
- Includes dropper for collecting fluid and plastic storage case.
- Also works on modern long-life antifreeze (OAT) and Propylene Glycol.
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