Battery Hydrometer Testing Electrolyte Level Density Lead Acid Specific Gravity\n\n \n\nDescription\n\nProfessional tool for commercial or occasional use \n\n -Fast and accurate testing of battery conditions. \n\n -Easy and simple to use\n\n -Comes with glass tube, PVC bulb and spout. \n\n -Used for topping up and testing density of battery electrolyte. \n\n -Colour coded read out. \n\n -\nRED - Discharged \n -\nWHITE - Low Charge \n -\nGREEN - Fully Charged\n -The battery cell to be tested must have enough solution to allow the float to rise freely\n\n -It is not possible to obtain an accurate reading if water has recently been added to the cell\n\n -Wash the hydrometer thoroughly with clean water after use. \n\nWe have other Testing and Diagnostic Tools available in our shop.