OsmoPRO® MAX | Osmometer

Offering unprecedented automation, ease of use, and workflow flexibility, the OsmoPRO® MAX is built for labs of all sizes.

The OsmoPRO® MAX automatically pipettes a sample directly from the primary tube and performs testing and cleaning within the device, eliminating the need for consumables. Its turntable allows users to continuously load and unload samples in a variety of primary tube sizes, preventing workflow interruptions and improving turnaround times. An integrated barcode scanner automatically scans the turntable to determine the number of samples present and their sample IDs. A second integrated barcode scanner scans employee badges as well as calibration- and control kits for user- and lot traceability.

With its color-coded touchscreen the OsmoPRO® MAX provides an intuitive multi-language user interface to enable staff of varying skill levels to operate the device. Supplemental, onboard video instructions can guide users through cleaning, maintenance, and calibration steps.

The instrument takes walk-away osmolality testing to a new level, increasing confidence among your staff and allowing them to focus on other value-added laboratory tasks.

Technical data



Sample type Serum, plasma, urine
Measurement principle Freezing point depression
Minimum required sample volume 150 μL
Test time 180 seconds
Sample capacity Continuous loading of up to 500 samples
Resolution 1 mOsm/kg H2O
Range 0 to 2000 mOsm/kg H2O
Accuracy1 Mean value ±2 mOsm/kg H2O from nominal value between 0 and 400 mOsm/kg H2O (1 SD)
Mean value ±0,5% from nominal value greater than 400 to 2.000 mOsm/kg H2O (1 SD)
Precision1 Standard deviation ≤2 mOsm/kg H2O between 0 and 400 mOsmo/kg H2O
Coefficient of variation ≤0,5% mOsm/kg H2O greater than 400 to 2.000 mOsm/kg H2O
Display Touchscreen with onboard video instructions
Memory capacity 1.000 results / 10.000 events
Temperature effects2 Less than 1 mOsm/kg H2O per 5°C ambient temperature change
Supported languages Chinese, Czech, Danish, Dutch, English, French, German, Italian, Japanese, Korean, Portuguese, Spanish, Swedish
Communication USB 2.0 Type A ports (3)
USB 2.0 Type B port (1)
Ethernet 10/100
RJ45 connector port (1)
Printer (optional)
Storage temperature -40°C to +45°C
Dimensions (W x D x H) 36 x 42 x 46 cm
Net weight 13,5 kg


1 Accuracy and precision (within run) specifications apply to Advanced Instruments standards and reference solutions. Performance at Reference Conditions: 20°C to 25°C; minimum of 30% relative humidity

2 Operating Conditions: Temperature 18°C to 35°C; 5 to 80% relative humidity (non-condensing)





OsmoPRO® MAX Maintenance Kit Advanced Instruments
OsmoPRO® MAX Calibration Set Advanced Instruments
Clinitrol™ 290 Reference Solution, 10 × 2 mL ampules Advanced Instruments
Protinol™ 3-Level Osmometer Control 3 x 3 x 3 mL Advanced Instruments
Renol™ 2-Level Osmometer Control 2 x 4 x 3 mL Advanced Instruments
Osmolality Linearity Set, 2mL Advanced Instruments
OsmoPRO® MAX Small Volume Inserts, package of 100 Advanced Instruments
OsmoPRO® MAX Tubes, package of 250 Advanced Instruments
Compatible dot matrix printer and cable Advanced Instruments
Printer paper 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