Hydrometers (density meters) measure the specific gravity of a battery’s electrolyte and based on the specific gravity readings of the samples taken and the battery manufacturer’s published specific gravity reference values, the user can determine the state of charge of the battery. Retaining these hydrometer readings and data over time is recommended by IEEE as part of any Battery Maintenance Program. Digital hydrometers / specific gravity testers are commonly used in utilities, telecommunications, industrial, food and beverage, petrochemical and other applications. In contrast to bulb-style hydrometers, our digital hydrometers provide highly accurate recording, storage, and transfer of battery data to a PC, eliminating hours of hand recording and entering data manually.

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