The Antifreeze refractometers are designed for testing for concentration of the battery fluids, antifreeze liquid and cleaning fluids. With the indication of the percentage you may know at which temperature the fluid will be frozen for both propylene glycol and ethylene glycol. It can also be used for checking the strength of electrolyte solution batteries. The model marked with ATC.
Battery Fluids: 1.15-1.30sg Resolution Factor: 5°C, 5%, (ATC) Temperature Compensation Range:10°C-30°C Determines the amount of dissolved salt and dissolved solids Approved by strict quality and safety standards Durable and built to last long Heavy-duty and lightweight with its aluminum construction Easy to focus and calibrate Accurate testing results guaranteed Made with the highest and finest quality of aluminum & rubber that makes it lightweight Cushioned with soft & comfortable non-slip rubber Extremely easy-to-use and calibrate