Draper Tools Battery Hydrometer Best

Precision Battery Hydrometer For Testing The Solution Content In Each Cell. Graduations: – 0.005 G/Ml; Red: – Ranges From 1.100 – 1.205. Indicating The Battery Is Discharged. White: – Ranges From 1.205 – 1.260. Indicating That The Battery Requires Attention. Green: – Ranges From 1.60 – 1.300. Indicating The Battery Is Fully Charged. Calibrating Should Be Carried Out At 20°C. Care Must Always Be Taken When Removing Battery Cell Caps And When Testing. Manufactured With A Glass Tube, Pvc Bulb And Spout.