Refractometer,RHBN-90ATC the three common indexes are sugar content, baume and water content. Automatic Temperature Compensatio Refractometer,RHBN-90ATCthe three common ... indexes are sugar content, baume and water content. The RHBN-90ATC has Automatic Temperature Compensation System.Tech data:Measuring Range: Brix ... Brix(ATC) Temperature Compensation Range:10°C--30°C RHBN-90ATC,HONEY Refractometer