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Omnitek U-Visc Series

Omnitek U-Visc kinematic viscometer


“The U-Visc viscometry system was designed with full ASTM D445 compliance in mind, combined with low solvent consumption, high unattended throughput, ease of use and reliability

  • Autosampler carrousel
  • Sampling using vacuum or pressure
  • High throughput
  • Optional duplo viscometer tubes for unstable samples

The Omnitek U-Visc combines several unique features, making it the instrument of choice in many applications, ranging from QC to R&D to used oil analysis. While offering full compliance with ASTM D445/446, the specially designed viscometer tubes cover a 100-fold range.

Versatile and reliable

The tubes are based on the well-known and proven Ubbelohde design, but only require 8-16 ml of sample and approx. 12-15 ml of solvent for each cleaning cycle. Available with single or dual solvent cleaning, the instrument measures kinematic viscosity in lubricants between 0.15 and 25,000 mm2 /s.

Designed to be versatile and flexible, yet easy to use. Different models are available ranging from 1 bath with 1 or 2 tubes, up to 2 baths with 1 or 2 tubes per bath, where each bath works independently. Sophisticated temperature control ensures that measurements are carried out according to D445 requirements. Each bath features a sampling tray with 16 samples per tube, allowing completely unattended operation at different temperatures. Depending on the viscosity of the sample, the instrument can process up to 10 samples per tube per hour, leading to a maximum capacity of up to 40 samples per hour, satisfying even the needs of high volume labs running several hundred samples per day.

The U-Visc requires a PC for operation but can also be controlled as a stand-alone unit through the responsive color touchscreen interface. For data collection, storage, calculations and reporting, an advanced PC software application is provided with the instrument, which can gather data from multiple instruments simultaneously.

For 200 series, if the baths are run at 40 and 100ºC, the instrument will automatically calculate the sample’s Viscosity Index, based on the results from both baths.


 U-Visc 110U-Visc 120U-Visc 210U-Visc 220
Nr. of baths 1 1 2 2
Tubes / bath 1 2 1 2
Nr. of samples 16 32 32 64
Dimensions 38 x 62 x 78 cm 38 x 62 x 78 cm 75 x 62 x 78 cm 75 x 62 x 78 cm
Nr. of samples 54 kg 54 kg 92 kg 92 kg


U-Visc 110 / 120

U-Visc 210 / 220


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Read 465 times Last modified on Friday, 04 September 2020 06:11