4-in-1 DEF Antifreeze Coolant Refractometer for Automobile Antifreeze System

It features high-quality optics with smooth focusing. Its main body is made of aluminum alloy. The internal optical lens with high refractive index make up the precision optical system.The instrument is resistant to abrasion and corrosion, can be used to measure the general corrosive liquid. (But we do not recommend measuring these liquids for a long time. The residue should be cleaned immediately after measurement. )

4 Functions:

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 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%

PRODUCT FEATURES:

Easy to use
Just take a few drops of your liquids on the prism and hold the refractometer to the light, then look through the eyepiece, you can get the reading. No need lookup table and no waste!

ATC Function
The build-in Automatic Temperature Compensation feature makes it get consistently accurate reading, no need to control the liquids temperature deliberately, just make sure it's at roomtemperature ( during 0-25 ℃) .

Portable compact package
The refractometer comes with dropper, screwdriver, user manual and cleaning cloth, all included in a hard compact case, the item dimensions is 8"x3"x2", the item weight is only 8.8 ounces. makes it very portable and easy to carry.

PACKAGE INCLUDES:

1.A Refractometer + 2.A Firm Box + 3.A Cleaning Cloth + 4.A Screwdriver + 5.A User Manual + 6.Some Pipettes