Quick test of freezing point of coolant / antifreeze
Compatible with Ethylene or propylene glycol
Measure battery acid gravity to verify battery life
Automatic temperature compensation
Easy to read graphics, adjustable viewfinder
The 43705 refractometer offers a quick check of coolant freezing point, measures battery acid gravity to verify battery life, auto temp compensation, easy to read graphics, adjustable viewfinder, steel construction, includes carry case, fluid dropper and mini screwdriver.