Car owners, listen up! This Tiaoyeer refractometer is like having a miniature automotive lab in your pocket. This clever little tool does not one, not two, but FOUR different testing functions that'll help you keep your vehicle in top shape. First up, it measures the freezing point temperature of both ethylene glycol and propylene glycol based antifreeze coolant (scale ranges from -84°F to 32°F for ethylene glycol, -60°F to 32°F for propylene glycol). Then it checks the concentration of those same antifreeze types (0-70% for ethylene glycol, 0-63% for propylene glycol). But wait, there's more - it also tests the specific gravity of battery acid to give you a quick reference of your battery's charge condition (scale range 1.100~1.400kg), AND it can check urea concentration in diesel exhaust fluid and windshield washer fluid based on ethanol or isopropyl alcohol. The advanced automatic temperature compensation technology means it adjusts automatically for temperature variations, giving you accurate results without complicated calculations. It's portable, sturdy, compact, and lightweight - basically everything you want in a tool you might need to use in various locations. The package comes with everything you need: the refractometer itself, a plastic pipette, mini screw driver, user manual, cleaning cloth, and a protective plastic box. A few pro tips: use clean water for calibration, try to measure liquids that are close to the prism temperature for best accuracy, and while it can handle acidic and alkaline liquids, clean it immediately after use. Most importantly - don't drop it! This is an optical instrument that's precise but delicate. For the price, the amount of functionality you get is absolutely incredible. Whether you're a DIY car enthusiast or a professional mechanic, this refractometer will quickly become one of your most-reached-for tools.
Free 30-day returns 
Free 30-day returns
