Check the listing for details. HM Digital Digital Refractometer SCM-1000. Condition: New. Listed at 239.99 USD. SCM-1000 The Smart Digital Refractometer that is always ready. FEATURES: Measures sugar percentage in Brix(%) unit. Automatic Temperature Compensation (ATC) Water resistance washable with flowing water Store up 20 measurement data at once Auto-off function, Auto brightness adjusting LCD Display, Easy to read everything anywhere. One press Zero Calibration Removable protective cover included Product Description Range: Brix 0.0 ~ 55.0% Resolution: Brix 0.1% Accuracy: Brix ±0.2% ATC Function included (Temperature Compensation 10 ~ 60℃ ) Temperature Range: 0 ~ 70℃ Within 3 Seconds Measurement time Auto shut-off function after 2 minutes Automatic screen brightness control Data Store: Up to 20 Usage Environment: 10 ~ 40 ℃ Idle Sample Volume: 0.5ml Unit: Water resistant (splash proof) Power Source 1.5V x 2(AAA alkaline) Size: 58(W) x 36(D) x 122(H)mm weight: 149g (including batteries and detachable cover)