4-in-1 Antifreeze Refractometer, Antifreeze Tester with ATC, Antifreeze Coolant Refractometer for Automobile Antifreeze System, Battery Fluid, Glycol Coolant, Windshield Washer Fluid

About this item ? Easy to Use — Place 2 – 3 drops of liquid sample onto the prism of this hydrometer, then look through the eyepiece to get the reading directly. NO test jars needed, NO measuring or calculating work needed, operating easily antifreeze refractometer, convenient to use and save your time. ? 4 in 1 — High accurate coolant refractometer: ethylene glycol & propylene glycol: -60℉ to 32℉; Specific gravity of battery acid: 1.10 to 1.40Kg/L; Windshield Washer Fluid: -40℉ to 32℉; DEF: 30% ~ 35%. ? ATC Design — The refractometer adopts automatic temperature compensation technology from 10℃ to 30℃ (50°F~86°F), reading directly, fast, accurate and light weight. ? Packing List — 1 x hydrometer refractometer; 1x calibration screwdriver; 1 x pipette; 1 x instruction manual; 1 x cleaning cloth and a free hard case included which make the antifreeze refractometer meter convenient to store or carry around. ? About us — XinJiaYi always strive to provide customers with satisfying refractometers and shopping experience. If you have any problem or suggestions about our hydrometer please let us know it and we will get back to you within 24 hours.