3-in-1 Antifreeze Tester in Fahrenheit Scale for Checking Freezing Point and...

Scale range: ethylene glycol base: -84°F-32°F, propylene glycol based -60°F-32°F. Scale Range: ethylene glycol base: 0-70% propylene glycol based 0-63%. Scale Range:1.100~1.400kg/l. It features high-quality optics with smooth focusing.