The measurement scale at left is not labled - is it supposed to be showing g/ml of specific gravity? If so, the top 3 & bottom 3 numbers are wrong.

The picture of this scale is not an enlarged view in proportion. This is a schematic. Thank you for your curiosity and seriousness. But you can't use this diagram to measure any battery fluid.

Is it suitable for testing glycol?

Yes. It is used to test glycol concentration and freezing point temperature. It is also used for other liquid tests.

Will this come with a box or a bag? Description says bag, but reviews say box...

I got a box with is and I believe a bag the refractometer sat in in the box. I gave mine to my old helper and ended up buying one at Fw Webb

How does it know the difference between glycol or DEF or battery water?

Not sure. Sometimes you just have to hit the I believe button.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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

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

Product ID: 47285665

📊Concentration accuracy up to 70% VOL

🔬Measures 4 fluid types in 1 device

🌡️Freezing point range -84°F to 32°F

R1040

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌟 Stay Cool, Stay Ahead: The Ultimate 4-in-1 Antifreeze Tester for Smart Drivers

ALL IN ONE PRECISION - Test Ethylene Glycol, Propylene Glycol, AdBlue, and Battery Fluid with one sleek tool.
RELIABLE CALIBRATION - Trusted accuracy ensures your vehicle’s cooling system is always optimized and safe.
FREEZE PROOF CONFIDENCE - Know exact antifreeze freezing points from -84°F to 32°F to protect your engine year-round.
FUTURE PROOF MAINTENANCE - Stay ahead of costly repairs by monitoring fluid concentration before problems arise.
MILLENNIAL READY SIMPLICITY - Quick, easy-to-read digital scale in °F—perfect for busy DIY pros and managers on the go.

The TRZ 4-in-1 Antifreeze Refractometer offers precise measurement of freezing points and concentrations for Ethylene Glycol, Propylene Glycol, AdBlue, and industrial battery fluids. With a temperature range from -84°F to 32°F and concentration accuracy up to 70% VOL, it’s a reliable, easy-to-use tool designed for proactive vehicle maintenance and peace of mind.

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