• Refractometer


  • Brix : 0.000 to 5.000%
  • Refractive index (RI) : 1.330150 to 1.341500

The RX-007α (alpha) is suitable for measuring water soluble samples with very low concentrations (5.000% or less) such as tea (green tea, black tea, oolong tea) and low sugar beverages at a very high accuracy of ±0.005%.

This product comes standard with a two (2) year limited warranty against manufacturer’s defects from the date of the original purchase. This warranty does not cover or apply to the prism. The warranty period can be extended to three (3) years if the product is registered with ATAGO.

FDA 21 CFR Part 11 Software Included in Standard Delivery.


  • A built-in Peltier thermo-module maintains a constant measuring temperature, which eliminates the need for an external water-bath
  • Measurement starts automatically after the sample reaches the targeted temperature
  • 30 user programmable scales are available
  • The built-in Flash memory stores the last 30 measurement values which can be viewed, printed or exported to a computer.A graphic limit bas is displayed when upper and lower values are set.
  • Calibration with water 
  • Digital display 
  • AC outlet (AC100 to 240V) 
  • Automatic Temperature Compensation 
  • RS-232C Interface 
  • Refractive index scale


  • Wide variety of teas and coffees
  • Sugar-free and low sugar beverges (Diet becerages)
  • Extracts of Chinese herbal medicines
  • Non-alcoholic beer and cocktails
  • Low concentration water solutions


Model RX-007α
Cat.No. 3921
Scale Brix
Refractive index
Measurement Range Brix : 0.000 to 5.000%
Refractive index (RI) : 1.330150 to 1.341500
Resolution Brix : 0.001%
Refractive index (RI) : 0.000001
Temperature : 0.01°C
Measurement Accuracy Brix : ±0.005%
Refractive index (RI) : 0.000010 (at 20°C)
(under specified ambient temperature and constant temperature)
Temperature control range 15.00 to 30.00°C
(Lowest is ambient temp -5°C)
Measurement Temperature 15.00 to 30.00°C
Power Supply AC100V to 240V, 50/60Hz
Dimensions & Weight 37×26×14cm, 6.7kg
(Main Unit only)
Power consumption 65VA
Mode 2 types
Output terminals • Printer (for ATAGO digital printers)
• Computer - RS-232C
Connection to a USB port requires a USB to RS-232 adapter (optional)
Warranty 2 years standard (3 years with product registration) excluding prism