Portable Antifreeze Refractometer -50~0T with ATC

Range
Adblue: 30%~35%
Ethylene Glycol: -50~0°C
Propylene Glycol: -50~0°C
Windshield Washer Fluid: -40~-10°C
Battery Fluid: 1.100~1.400sg
Accuracy
Adblue: ±0.5%
Ethylene Glycol: ±5°C
Propylene Glycol: ±5°C
Windshield Washer Fluid: ±5°C.
Battery Fluid: ±0.02