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Operated by a single AAA battery
It is now easier and more accurate than ever to measure urine specific gravity with the Palm Abbe digital urine refractometer
The included bromonaphtalene contact liquid has a refractive index (nD) value of 1
Don't buy Kool-aid type pouches that rely on you having access to deionized water and lab equipment to mix the solution
Check your results
Westover Scientific Ethylene Glycol Antifreeze Refractometer, 32’F to -84’F Range 1.81 bottle Operated by a single AAAWestover Scientific Ethylene Glycol Antifreeze Refractometer, 32F to 84F Range The Westover Scientific Ethlene glycol antifreeze refractometer, is designed to aid mechanics as they look to maintain automotive antifreeze systems. Calibrate with water to 32F These refractometer come in a zipper nylon, soft case with transfer pipe and calibration screwdriver.
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