Battery Service

The Temperature Correcting Hydrometer features both temperature and float for calibrated readings. This is a professional type hydrometer that has a build-in thermometer for temperature correction and is known for its ability to give accurate battery charge condition. A battery hydrometer is the ideal product for testing the state of charge in a given battery cell. The hydrometer is placed in the cell and produces a reading by measuring the density of electrolyte inside the battery cell.