New model UniPol V polarimeter available from SCHMIDT + HAENSCH as of spring 2023

UniPol 2020 – Digital Polarimeter

UniPol 2020 – Digital Polarimeter

The UniPol 2020 is no longer available. Instead, the successor model UniPol V will be available soon. Be curious about the new UniPol V!

The fully automatic digital polarimeter Unipol 2020 is especially designed for chemical applications. It can also be used for purity analysis of food and beverage as well as cosmetics. The resolution of UniPol 2020 conforms to the European and American Pharmacopeia. GLP/GMP conform data can be directly printed or transferred to your PC. In conjunction with the SCHMIDT + HAENSCH Software AQUISYS 2, all requirements of 21 CFR Part 11 conformity are fulfilled.


  • Basic circle polarimeter
  • Reliable high precision
  • 21 CFR Part 11 ready
  • Compliance with international standards

Easy to use

The measuring range of ± 360° can be divided in user-selected segments which can be easily selected by the menu. The user- friendly menu structure of the instrument is easily operated with the splash-proof alphanumerical keyboard. Software design close to practice enables the user to input sample ID-numbers, calculate statistical evaluation, and configure user defined printout of the measuring results. The measuring values are shown on the large LCD display.


The fully automatic digital polarimeter UniPol 2020 was particularly designed for chemical applications, but it also has numerous applications in purity analysis in the food and beverage and cosmetics industries. Optically active substances can be easily measured and raw material quality identified. Compliance with the International Pharmacopoeia is guaranteed.

Product in detail

The standard model is equipped with a 589 nm light source. Other wavelengths are available upon request. Various chemically resistant polarimeter tubes are available for different applications. With the use of micro tubes, smallest sample volumes are sufficient. The polarimeter UniPol 2020 is equipped with plug-in connector for the temperature sensor of the SCHMIDT + HAENSCH polarimetric tubes. If polarimeter tubes or quartz control plates with integrated temperature sensor are used the current sample or quartz temperature is indicated on the display. In addition to one parallel and two serial interfaces, a PS2 interface is integrated in these polarimeters for connecting a barcode reader or keyboard.

Maintenance and calibration can be done with quartz control plates manufactured in our company in the heart of Berlin.


Measurement scales °Optical rotation, °Specific rotation, °Z International Sugar Scale, % Concentration (g/mL, g/100mL, g/), seven scales freely definable
Measuring range ± 360° / ± 259°Z
Resolution 0.001° / 0.01°Z
Precision ± 0.005° / ± 0.02°Z *
Reproducibility ± 0.005° / ± 0.02°Z
Sensitivity Up to OD 2
Wavelength  589 nm (other on request)
Response time  6 sec. over the entire measuring range
Measuring tubes Different models, 10 to 200 mm length; Material: glass, stainless steel, acid-proof stainless steel; stainless steel tubes
Temperature measurement NTC Sensor
Temperature range  10 to 40 °C
Temperature regulation  Temperature regulation only with external water bath (specifications vary by model)
Light source  LED, interference filter
Display  LCD-Display, monochromatic
Operation  Alpha numerical keyboard, 20 characters including function keys
Interfaces / Communication RS232 (2x), Parallel (1x), USB and Ethernet optional
Conformity International Pharmacopoeia, OIML, ASTM, ICUMSA, Australian Standard K157


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Please configure the product with our configurator on the left. We will receive this information and contact you shortly to discuss your requirements. You can also leave the configuration blank and one of our staff can help you with your request.

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