4-in-1 Use Antifreeze DEF Refractometer for Automobile Antifreeze System, Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid
Special Features
- Function 1: Measuring freezing point of automobile antifreeze based on ethylene glycol or propylene glycol.Measuring Range: -50 to 0 ℃.
- Function 2: Measuring specific gravity of battery acid and provide a quick reference of battery charge condition.Measuring Range:1.10 to 1.40 kg/l
- Function 3: Measuring windshield washer fluid based on ethanol or isopropyl alcohol.Measuring Range:-40 to 0 ℃
- Function 4:Measuring Urea Concentration in automobile diesel exhaust fluid (DEF).Measuring Range:30% to 35%
- It's durable and easy to use and no battery needed, convenient to take and use.
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