4-in-1 DEF Antifreeze Coolant Refractometer for Automobile Antifreeze System, Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid

4-in-1 DEF Antifreeze Coolant Refractometer for Automobile Antifreeze System, Diesel Exhaust Fluid, Battery Acid and Windshield Washer Fluid Product Details Product Dimensions: 6.5 x 1.5 x 1.5 inches Shipping Weight: 9.6 ounces #35 in Lab Refractometers Function 1: Measuring freezing point of automobile antifreeze based on ethylene glycol or propylene glycol. – Measuring Range: -50 to 0 C. 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 C Function 4:Measuring Urea Concentration in automobile diesel exhaust fluid (DEF). Measuring Range:30% to 35% Features automatic temperature compensation: makes it even easier to get fast results. This refractometer is a portable multiuse tool for automotive owners,you canuse it for testing the freezing point for the antifreeze fluid based onethylene glycol or propylene glycol, you can use it for testing specificgravity of battery acid and provide a quick reference of battery chargecondition, you can use it for testing urea concentration in automobile dieselexhaust fluid (DEF), you can also use it for testing windshield washer fluidbased on ethanol or isopropyl alcohol. 4 Fuctions in one light and smallinstrument, with this refractometer, you can know the level of your regularautomotive fluid quick and easy, help you protect your automotiveengine. – Notice: 1. Accurate measurement based on good calibration, pleasecalibrate the refractometer before your first use. But you dont have tocalibrate it frequently, once every a few months is OK. 2. When you put yoursample to be tested on the daylight plate, make sure the liquid spreads acrossthe entire surface of the prism without air bubbles or dry spots. 3. Clean theinstrument with a soft cloth after each use, keep the refractometer dry andclean, which will keep the instrument accurate and durable. Do not put theentire instrument into water to wash, this may lead the refractometer to befoggy or rusty inside. 4. Please do not loose any connection part, and dontdropping, colliding, shaking the instrument intensely. Contents: a firmplastic case a refractometer a cleaning cloth 3 suction tube a screwdriver operating instructions Warranty:Full 12 Month Replacement Warranty &Any Questions Will be Answered within 24 Hours.

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