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From the manufacturer
The main function of this refractometer is to detect various antifreeze conditions.
Before the arrival of winter, the owner must remember to check the various liquids in the car. Qualified liquids in automobiles are essential for car safety to survive the cold winter.
If you have this refractometer, it can help you directly check the condition of the coolant, window cleaning fluid, Adblue, and battery fluid to determine if you need to replace these fluids to ensure safe driving, which will save you the cost of going to the automobile repair service.
You can also use this refractometer to configure a variety of liquids without buying the same high quality branded products.
Homemade Antifreeze Fluids
To make sure that your vehicle has the proper amount of antifreeze at all times.
Having a low amount of antifreeze can cause your engine to overheat or freeze up, so make sure to check these levels every 2 to 3 months.
DIY-You can use this refractometer to formulate antifreeze.
Save a lot your money and drive safely.
Homemade Windshield Washer Fluids
Method 1:
2 cups isopropyl alcohol, 1 cup white vinegar, 3 quarts water, 2 Tbsp liquid dish soap, 5 drops blue food coloring (optional)
Method 2:
Ethanol+ water.
To Measure the Specific Gravity of the Battery Fluids
The lead-acid batteries require regular maintenance to function properly. We recommend checks every 2-4 weeks to keep the battery bank tuned up.
With this refractometer you only need to take a few drops of battery fluid.
Homemade AdBlue /Diesel Exhaust Fluids (DEF)
Diesel Exhaust Fluid (DEF) is a non-hazardous solution, which is 32.5% urea and 67.5% de-ionized water. DEF is sprayed into the exhaust stream of diesel vehicles to break down dangerous NOx emissions into harmless nitrogen and water.
Christine Berven
2025-07-28 10:33:57
This is the best way to check concentrations. It is easy to use and is pretty durable.Be sure to buy the version for the type of antifreeze you are using.
pictureperfect
2025-07-08 17:43:23
I was impressed at how easy it was to use, and much more accurate than the floating ball anti-freeze testers.
Placeholder
2025-06-18 14:55:32
Excellent product for the money. One important thing to realize, regardless of which brand of refractometer you purchase, you must check the calibration before you use it. The manual mentions that it comes calibrated from the factory. Although they may have calibrated it before it leaves the company, it's easy for them to become un-calibrated through shipping. I've included a before and after picture. One represent how it arrived to me (un-calibrated), and the other is after I calibrated it. Calibration is incredibly simple to do.
Bethany Lutheran Home Mel Martin
2025-05-29 15:06:44
what i expected
emanon
2025-04-30 11:35:26
Tested on pure water and DEF fluid. Accurate on both readings. Easy to use.
Customer
2025-04-10 12:05:14
it does not rate fluid to a standard of composition-makeup- i think you know if you have solids in your DEF tank. i thought it would rate quality of mixture not measure contaminant solids-my mistake-
v75rab
2025-03-23 11:00:54
Very easy to use and highly accurate for glycols. The scale is very visible and the tool seems durable for solid.
Chinookman
2025-01-29 17:33:05
works well and is a good compromise of cost versus value for user. For the home user it is less then what NAPA retails. OF course if one is a professional then get what will hold up to that environment. otherwise I would recommend it.
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