QIUSUO Monocular Refractometer Brix Refractometer with Refractive Index nD 1.3000-1.7000 Accuracy(nD) ±0.0002 Digital Thermometer for Sugar Pharmaceutical Beverage Petroleum Food Chemical Industries

QIUSUO ABBE Refractometer Monochromatic Brix Refractometer with Digital Thermometer Refractive Index nD 1.3000-1.7000 Accuracy(nD) ±0.0002 for Transparent or Translucent Material

QIUSUO ABBE Refractometer Monocular Refractometer Abbe Digital Refractometer with Measuring Range 1.3000-1.7000 nD 0.0-95% Brix Accuracy ±0.0002 for Sugar Beverage Petroleum Food Test