4-in-1 Antifreeze Refractometer Ethylene Glycol, Propylene Glycol in Antifreeze Freezing Point Temperature and Concentration, AdBlue, DEF and Industrial Battery Fluid

The TRZ 4-in-1 Antifreeze Refractometer is a must-have tool for anyone who wants to accurately test their vehicle's antifreeze. It’s simple to use and provides quick readings for Ethylene Glycol, Propylene Glycol, and freezing point—all in one device. The design is sturdy and the readings are easy to read, so I can confidently know when my car’s antifreeze needs to be replaced. This is a reliable, affordable option for car maintenance. Highly recommend for DIY mechanics!

Used it to test my antifreeze. Checked the calibration and it was spot on. Useful to use but please remember it shows you the % your antifreeze is at and not if your antifreeze is good. 20 year old antifreeze can still show a good % but all the anti corrosion additives ect are trashed.

Works great. I used distilled water to test and it was right on the money. Just a couple of drops on the lens is all you need to test.

The Refractometer worked for me with no issues. It’s on the lightweight side. The cover for the Refractory fits very loosely sometimes this makes for a less than clear picture. Was hoping that it came with a better case. I think it’s fine for occasional use. If you are going to use it professionally it way want to look elsewhere

At first I was looking for a refractometer just to test the quality of DEF fluid before I put it into my truck and to troubleshoot any poor quality DEF messages. I didn't know they made 4 in 1 testers until I started searching on Amazon. After reading the reviews on several refractometers I decide to purchase this 4-in-1 tester. I like the fact that it reads in fahrenheit and not celsius. It automatically compensates for temperature between 50 and 86 deg F. and tests 4 different types of fluid. Ethylene glycol based antifreeze ( DEX Cool ) , Propylene based antifreeze, Battery fluid and Def Fluid. It also has an adjustable eye piece to adjust the focus when looking thru the unit. It comes with a pull string storage pouch, 4 plastic eye dropper tubes to sample fluids, a lens cleaning cloth, instruction pamphlet and a tiny screw driver to adjust the calibration. It is a compact unit, approx 6" long. Calibration is checked by using distilled water. I checked the calibration of my unit out of the box and the calibration was dead on. For the price this is a great tester. I recommend it.

This refractometer is awesome. Used some samples to test the calibration and it was perfect out of the box. Helped me determine the mixture in my vehicle.

good value. easy to use.

accurate testing of coolant

Je fais du Kombucha et je voulais savoir si il y avait beaucoup de sucre. Après avoir testé avec des boissons zéro sucres et boissons très sucrées, j'ai pu vérifier que ça fonctionne très bien. Et ça vient avec un petit tournevis pour régler la lecture et une pipette pour extraire et déposer le liquide sur la plaque de lecture. Excellent produit.

25% du prix du fournisseur

Good tool and easily available at Amazon.

The scale of this refractometer shows brix% and not antifreeze concentration like what is advertised. One star for false advertising.

Did not include Glycol readings on the visible scale. Useless.