SBS-2002 Digital Hydrometer/Density Meter is used for reading specific gravity and temperature. Batteries can be easily tested using this meter. The nozzle is inserted into the battery, then the finder pump is pressed, and sulfuric acid electrolyte is extracted. Then the button is pressed for reading the specific gravity and temperature within three seconds. The SBS-2002 is provided with a 9V alkaline battery, three sampling tubes, an instruction manual, a carrying case, and an adjustable hand strap.

Key Features
-Saves time when compared to a standard glass hydrometer and thermometer
-It is compact in size, and weighs only 8 oz
-Consists of an LED display, and a 9.5" suction tube
-Temperature can be automatically compensated to 77ºF (25ºC)
-Gives one year warranty
-Achieves accuracy of about ± 0.002
-It can be used only in lead acid batteries

Source:SBS Battery