ATR-BR Refractometer

The ATR—BR is a compact laboratory refractometer for measuring liquids

from low to high viscosity, independent of opacity and colour. The ATR instrument is available in a variety of configurations for laboratory and production quality control.

  • Robust refractometer
  • Very stable measurements
  • Easy clean
  • Excellent price-performance ratio
  •  Standalone or optional PC control
  • 0.3 ml sample volume
  • 10 programmable user-defined scales

Main specifications

ModelsATR-BR
Measuring scalesRefractive Index (RI) Sucrose (%Brix)
Standard scales available, Customised scales on request
Measuring range1,32000 – 1,54000 RI / 0 – 100 %Brix
Resolution0,00001 RI / 0,01 %Brix
Precision± 0,00002 RI / ± 0,01 %Brix (measurement range 1,32 – 1,44) and
± 0,00003 RI / ± 0,01 %Brix (measurement range 1,44 – 1,54)
Reproducibility0,00001 RI / 0,01 %Brix
Measurement modeSingle sample
Temperature 
Ambient temperature+10 – +40 °C
Temperature measurementNTC sensor for measurement of sample temperature placed inside the prism
Temperature control sampleNo temperature regulation
Temperature control rangeNo temperature regulation
Temperature resolution0.01 °C
Temperature precision± 0.03 °C
Temperature reproducibility± 0.02 °C
Temperature compensation Brix+5 – +50 °C
Additional Information 
PrismSaphire
Light source/wavelengthLED, interference filter 589 nm
Displayback -lit LCD, 16 x16 characters
Operation20 key membrane including function keys
Interfaces/communicationRS232 C serial bi-directional port, parallel interface (Centronics), USB optional
ConformityInternational Pharmacopoeia, ASTM, ICUMSA and others

* Specific standards depend on application and country.  Details on request.

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