Unitec 74274 battery acid tester Hydrovolt, measuring device for acidity.

Checks state of charge and acid density of all lead-acid batteries. Large, precisely readable scale, suction ball at all temperatures elastic and functional. Hydrostatic barrier automatically prevents any leakage and trapping of air. The twin measuring device on which the scale is mounted, is 360° rotatable, measuring instrument does not have to be held vertically. Intake system prevents blistering annoying tapping no longer necessary. Precision equipment.Made in Germany.

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