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.Duty & taxes paid at delivery

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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

🔋Battery fluid SG range 1.100-1.400

🌡️Precise freezing point range -84°F to 32°F

€ 53.83

Duties & taxes included

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Sold byAmazon LithuaniaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌟 Stay cool, stay ahead — the ultimate 4-in-1 antifreeze refractometer for pros who refuse to freeze up!

TRUSTED BY 461 PROS - 4.6-star rating proves this is the must-have tool for vehicle maintenance enthusiasts
FREEZE PROOF CONFIDENCE - Know exact freezing points for ethylene & propylene glycol to avoid costly engine damage
ALL IN ONE FLUID TESTING - Measure antifreeze, AdBlue, DEF & battery fluid with one sleek device
MILLENNIAL READY PRECISION - Accurate concentration readings ensure optimal vehicle performance every time
STREAMLINED F UNIT SYSTEM - Simplified temperature scale for quick, hassle-free diagnostics

The TRZ 4-in-1 Antifreeze Refractometer offers precise measurement of freezing points and concentrations for ethylene glycol, propylene glycol, AdBlue, DEF, and industrial battery fluids. Featuring a user-friendly °F scale and trusted by hundreds of professionals, it ensures your vehicle’s fluids are always optimized for peak performance and protection.

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