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SJR-9900A Auto Refractometer Keratometer with LCD Monitor
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4-in-1 Antifreeze Refractometer Centidegree Coolant Tester for Cars Aluminum
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SJR-9900A Portable Ultrasonic Diagnostic Device Optometry Instrument Auto Refracto-Keratometer
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Digital Honey Refractometer Brix 58-90% with ATC
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Handheld Digital Brix Refractometer 0-35% for Home Brewing and Sugar Testing
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Gemological Refractometer RHG181 1.30-1.81 for Diamond Testing and Identification
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Portable Gemological Optical Refractometer 0.002 for Jewelry and Gemstones with Refractive Index Liquid
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RK-800 Auto Refractometer with Keratometer 9-Inch Touch Screen
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Digital Salinity Meter Dual-Scale Salinity Tester 0-100 PPT and 1.000-1.070 Specific Gravity for Saline Water and Seawater
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Digital Salinity Refractometer 0-100% Range Salinity Meter 0.2% Precision 0.1% Resolution for Seawater
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Digital Engine Coolant Tester Refractometer 0-60% Range Glycol Meter 0.2% Precision 0.1% Resolution Portable
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Digital Brix Refractometer 0-90% Range Meter 0.2% Precision 0.1% Resolution Portable
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Portable Digital Refractometer 0-35% Brix
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Digital Refractometer 0-51.0% KCO3 Measurement for Semi-Liquid Samples
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Handheld Digital Honey Brix Refractometer
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Digital Refractometer 0-100.0% DMAC-1 Dimethylacetamide Measurement for Synthetic Fiber Production
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Digital Beer Refractometer 0.0-30% Range Brix Coffee 0-25% Meter 0.2% Precision 0.1% Resolution Portable
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Auto Refractometer HRK-7000A Ophthalmic Refractometer Keratometer
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FA-6100BK Portable Handheld Eyesight Screening Machine Auto Refractor Vision Screener
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RMK-900 Auto Refractometer Keratometer
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Portable Digital Milk Urea Test Meter for Food Testing
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IN-V6000 Digital Ophthalmic Auto Refractometer
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RHA-503ATC Portable Handheld Refractometer for Car Battery Fluid, Freezing Point, Antifreeze, and Coolant Testing
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