4-in-1 Antifreeze Coolant Refractometer, DEF Refractometer with ATC, Automotive Antifreeze Tester for Ethylene Glycol, Propylene Glycol, Diesel Exhaust Fluid, Battery Acid & Windshield Washer Fluid

Brand: CIMALAB

Features:

• 【Vehicle Antifreeze Coolant Refractometer】This 4-in-1 coolant refractometer accurately measures ethylene glycol, propylene glycol, Diesel Exhaust Fluid (DEF), battery acid, and windshield washer fluid — all in one device. Perfect for mechanics, truck drivers, and car enthusiasts who need fast, dependable fluid testing for complete vehicle protection.
• 【Professional Antifreeze Refractometer 】Ensure your cooling system is always within the safe range. Instantly check the freezing point of ethylene or propylene glycol (-50°C to 0°C) to avoid overheating or freezing. This antifreeze refractometer helps prevent costly engine damage and keeps your vehicle running efficiently year-round.
• 【Maintain Diesel Efficiency with Accurate DEF Readings】Maintain diesel engine efficiency and emission compliance with confidence. This DEF refractometer verifies urea concentration (30%–35%) to prevent SCR system failures, costly repairs, and reduced fuel efficiency. Essential for diesel trucks, RVs, and farm equipment.
• 【Reliable Battery Acid & Washer Fluid Testing】Quickly check battery acid specific gravity (1.10–1.40 kg/L) to monitor battery charge condition, and confirm washer fluid freezing protection (-40°C to 0°C) to ensure safety during winter driving. This antifreeze tester helps catch maintenance issues before they become serious problems.
• 【Built to Last, Easy to Use】this coolant refractometer tester is made crafted from durable aluminum alloy with a non-slip grip and crystal-clear optical lens. Simple operation — just place a few drops of fluid, close the prism cover, and read the scale. No batteries, no calibration hassle, no guesswork.

model number: Antifreeze Tester

Part Number: CM-AT001

Package Dimensions: 8.4 x 3.6 x 2.3 inches