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  • Our highest resolution refractometer
  • Especially for drug dispensing pharmacies
  • Highly valuable in hospitals
  • Automatic temperature control at 20°C
  • 21 CFR part 11 ready conformity
The Schmidt + Haensch refractometer with the highest resolution!

The ATR-DC measuring head can be connected to a PC or laptop. Configuration and calibration are performed using a supplied basic-software. A special software for data transfer to PC, data storing and logging and export is available optionally as well as the powerful Universal Display as external control unit.
Highest precision in shortest time due to the ultrafast temperature regulation via internal Peltier-elements. Energy saving, durable LED. Minimized maintenance effort. The documentation is according to GLP/GMP and 21 CFR part 11 ready, a corresponding software available  optionally.

The ATR-DC refractometer will be delivered with a special scale for Urine Specific Gravity (USG) as standard. Its ultra high resolution will make it the ideal device for pharmacie and hospital purposes.


Main specifications

Measuring scales USG
Refractive Index (RI)
Sucrose (%Brix)
Up to 1000 scales freely definable
Measuring range 1.320000 - 1.700000 RI / 100 %Brix
Resolution 0,000001 RI / 0,001 % Brix
Precision ± 0,00002 RI / ±0,015 % Brix
Reproducibility ± 0,000005 RI / ± 0,015 % Brix
Measurement mode Single sample or flow through measurement


Ambient temperature +10 - +40 °C
Temperature measurement NTC sensor for measurement of sample temperature placed inside the prism
Temperature control sample By build-in solid state Petier-thermostat
Temperature control range 20 °C * / All samples are brought to 20.00 °C before measurement
Temperature resolution 0.01 °C
Temperature precision ± 0.03 °C
Temperature reproducibility ± 0.02 °C

Additional information

Prism YAG
Light source/wavelength LED, interference filter 589 nm
Display 7" touch screen, 800x480 Pixel, 16 Bit colours
Operation Touch screen, keyboard, mouse, barcode-reader, remote via PC
Interfaces/communication 1xRS232 C serial, 4xUSB (A), 1xUSB (B), 1xEthernet, easy connection of keyboard, mouse, printer, bar code reader, PC and network


Standards* International Pharmacopoea, ASTM, ICUMSA and others**

* Others on request

** Specific standard depends on application and the country it is used in. Details on request.

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