- Professional battery hydrometer tester
- 1.150/1.325 relative density (specific gravity) @ 77°f/77°f
- Contains 30/120°f safety blue thermometer with corrections.
- Includes a durable rubber bulb and a flexible tip for accessing hard to reach cells.
- Accurate and easy to use
- RED Discharged
- WHITE Low Charge
- GREEN Fully Charged
- The battery cell to be tested must have enough solution to allow the float to rise freely
- It is not possible to obtain an accurate reading if water has recently been added to the cell
- Wash the hydrometer thoroughly with clean water after use.