Electronic Hydrometers for Battery Maintenance

The HH-100B is a self-contained, hand-held version of our refractometer configured as a battery state of charge sensor. As an added bonus, this device also measures anti-freeze concentrations. The HH-100 is a perfect addition to  a professional auto service shop. Please see the operating instructions for additional details. This device will be manufactured and sold by SBS of Milwaukee, Wis.