Refractometer Electrolyte Cooling Tester Brand: KRAFT&DELE The device can be used to determine the battery charge level (electrolyte density range), the freezing point of propylene glycol-based coolants, as well as the freesetting point of windshield washer fluid. Features: . Three-Scale Refractometer for Fluid Mining . Freezing point measurement of coolant (propylene and ethyl glycol) . Measurement of the freezing temperature of the washing fluid . Battery Electrolyte Density Range Reading . Focus adjustment for accurate reading Specifications: . Type: Three-scale refractometer . Application Coolant (propylene glycol, ethyl glycol), windshield washer fluid, battery electrolyte . Refractive index measurement . Read Scale with light/shadow boundary Condition: New Shipping: Tariff A