Antifreeze Refractometer Coolant Tester for Freezing Point

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The antifreeze refractometer can be used for measuring the freezing point of glycol, antifreeze, coolant and battery Acid. It can also be used for checking the condition of electrolyte solution batteries. Features: Handheld design and non-slip rubber handle for easy operation. Built-in automatic temperature compensation(ATC) to get faster results. With measurement level for direct reading. Adjustable manual focus, easy to focus and calibrate.

Anself Antifreeze Refractometer Coolant Tester for Checking Freezing Point, Concentration of Ethylene Glycol, Battery Acid Condition, Freezing Point Meter

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ZK50 4 in 1 Car Automotive Refractometro Antifreeze Battery Fluid Refractometer Urea Glass Freezing Point Water Coolant Tester - AliExpress

It can also be used for checking the condition of electrolyte solution. Scale : glycol based: 32 to -84 degree F, propylene glycol based:32 to -60

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