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Digital Glycerine Concentration Meter Refractometer Tester Glycerometer

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Coffee Refractometer Digital Coffee Brix TDS Concentration Meter Tester 0-30.00%

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Digital Abbe Refractometer Automatic Optical Instrument Color Touch Screen

$162.9

Digital Alcohol Refractometer Brix 0.0―50.0% %VOL ap 0.0―22.0% Oe 0―150

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Handheld Digital Refractometer Brix Tester Meter Sugar Content Refractometer

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Human Clinical Refractometer Measurement Serum Protein Urine SG RI Tri Scale ATC

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Digital Coffee Refractometer Coffee Concentration Meter Brix TDS Meter 0-30.00%

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Monocular Abbe Refractometer with Digital Thermometer Accuracy(nD) ±0.0002

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Handheld Brix Meter Refractometer Honey Sugar Content Tester with Range 0 to 50%

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FA-6800 Auto Refractor Refractometer Optical Optometry Machine 5.7" LCD Screen

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Digital Glycerine Concentration Refractometer ATC Accuracy ±0.2% 0.0003ND

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Digital Honey Refractometer Brix Refractive Index Refractometer 0 to 90%