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$NJTY 1PC Digital Refractometer, ±0.1% High Precision +0-40℃ Full Temperature Compensation + Fast Measurement + Automatic Calibration + Anti-Fouling And Easy To Clean, Suitable For Laboratory/Orchard/Agriculture$

NJTY 1PC Digital Refractometer, ±0.1% High Precision +0-40℃ Full Temperature Compensation + Fast Measurement + Automatic Calibration + Anti-Fouling And Easy To Clean, Suitable For Laboratory/Orchard/Agriculture