Sper Scientific 300014 Battery Coolant Refractometer auspowers_batchtwo Back cover made it more

Back cover made it more safer to be used

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0AOUTPUT: Quick Charging 3

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B20 geometry blade which rotates clockwise and counterclockwise made with Hi-Speed Steel

Sper Scientific 300014 Battery Coolant Refractometer auspowers_batchtwo Back cover made it moreSper Scientific 300014 Battery Coolant Refractometer Battery Coolant Refractometer m measures the freezing point of automotive coolants in their current concentration as well as battery charge. Both ethylene glycol and propylene glycol antifreezes can be measured, on separate scales. Battery charge is measured on a third scale using just a few drops of battery electrolyte solution (battery acid). The specific gravity of the battery acid is displayed