Antifreeze Refractometer – 3-in-1 coolant Tester for Checking Freezing Point
Antifreeze Refractometer – 3-in-1 coolant Tester for Checking Freezing Point, Concentration of Ethylene Glycol or Propylene Glycol Based Automobile Antifreeze Coolant and Battery Acid Conditio Function 1: Measuring freezing point temperture of ethylene glycol or propylene glycol based automobile antifreeze coolant. Scale range: ethylene glycol base: -84°F-32°F, propylene glycol based -60°F-32°F Function 2: Measuring concentration of ethylene glycol or propylene...