VTSYIQI Digital Abbe Refractometer Color Touch Screen Automatic Optical Instrument with Temperature -20-120℃ Refractive Index 1.30000-1.72000nD Brix 0-100% Resolution 0.00001nD 0.01% RS232/USB Interface

VTSYIQI Digital Abbe Refractometer Automatic Optical Instrument with Color Touch Screen Refractive Index1.30000-1.72000nD Brix 0-100% Temperature -20-120℃ Resolution 0.00001nD 0.01% for Transparent Translucent Liquid And Solid