Osmo1® | Osmometer

The Osmo1® can test virtually any biological fluid including, but not limited to, serum, whole blood, plasma, urine, feces, sweat, and tissue homogenate. The method of freezing point depression offers highest precision and reliability and thus serves to optimize your patient sample testing. With a sample volume of only 20 µl, the osmolality can be determined within 90 seconds in direct sampling. The integrated barcode scanner simplifies sample identification.

The Osmo1™ can choose between a 2- or 3-point calibration (50, 850 and 2000 mOsm/kg H₂O) and communicates via Ethernet, USB ports or exports the data via an integrated printer. The system is factory calibrated and ready for testing. The Osmo1™ only needs to be recalibrated if quality control is out of specification or after maintenance. Secure data management provides the ability to link password-protected user accounts to both sample and user IDs and test results.

Technical data



Sample volume 20±1 µl
Test time 90 seconds
Sample capacity Single sample
Range 0 – 2000 mOsm/kg H2O
Communications USB (3), Ethernet (1)










Microsample Test Kit Tips/Cleaners/Plunger Wire Advanced Instruments
Ease-eject sampler Advanced Instruments
Paper, Drucker - Thermal - Pkg 5 Rolls Advanced Instruments


Technical Service

During our business hours, our free telephone support will be glad to assist you in case of any questions. Our Technicians take care of the delivery and installation of original spare parts of the highest quality as well as certified testing, measuring, and control equipment. Our maintenance according to manufacturer specifications includes functional tests, cleaning, accuracy testing with calibration as well as a detailed report. In addition, our maintenance contracts protect your investments and reduce the total cost of ownership.

Detailed information about our support options can be found here.

Advanced Instruments

Advanced Instruments is the 65-year Global leader in osmolality testing with experience in developing and manufacturing analytical instruments. With a large install base across 90+ countries in North America, EMEA and Asia Pacific, the company is serving customers in three core markets: biopharma, clinical and food & beverage. Advanced Instruments is dedicated to increasing productivity and ensuring quality in the biopharma, clinical and food & beverage industries. With a focus on innovations that anticipate and overcome customer pain points, they help their customers deliver greater drug yields, better patient care, and ensure food safety.

More about Advanced Instruments: www.aicompanies.com/


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125 employees
10 locations in europe
31 years of experience