Omnitek U-Visc Viscometer
Test Methods
ASTM D445
ASTM D446
ASTM D2270
DIN 3104
DIN 3105
Plastics
Automated ASTM D445 viscometer system
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, e.g. from 1 to 100 mm2/s.
Information
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, e.g. from 1 to 100 mm2/s.
“The U-Visc viscometry system provides users with very high throughput, unattended operation and delivers the ultimate in kinematic viscosity testing”
Versatile and reliable
The tubes are based on the well-known and proven Ubbelohde design, but only require 8-12 ml of sample and approx. 10-15 ml of solvent for each cleaning cycle. Available with single or dual solvent cleaning, the instrument measures kinematic viscosity in lubricants between 0.5 and 10,000 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. 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. 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 viscometry system was designed with full ASTM D445 compliance in mind, combined with low solvent consumption, high unattended throughput, ease of use and reliability.”
The U-Visc requires a PC for operation but can also be controlled as a stand-alone unit through the responsive color touch screen interface. For data collection, storage, calculations and reporting, an advanced PC software application is provided with the instrument, which can gather data from up to 4 instruments simultaneously.
If the baths are run at 40 and 100º C, the instrument will automatically calculate the sample’s Viscosity Index, based on the results from both baths.
Available options
- Dual solvent cleaning
- High temperature bath (150 °C)
- Sample pre-heater (1 per tube; up to 150 °C)
- Compressor
- Cooling Spiral & External chiller
- Pedestal base
- PC + Printer
Standard included software
U-Visc utilizes advanced and easy to use multi-lingual software. One PC can control up to 4 different systems (1 COM-port required for each instrument). Data can be exchanged with a LIMS via RS-232 or wireless. The instrument can be operated in its entirety through the PC interface. Sample ID's can be loaded and sample queues can be started, halted or temporarily suspended. Results are automatically stored in the internal database and optionally also on any external drive or network folder.
During a run several kind of information is shown like measured flow times, average, spread and calibration / viscosity result. Also actual status like filling, cleaning, etc is shown for every unit involved. Measured flow times are presented in left or right column, depending whether upper or lower measuring bulb is used for testing. Sample queue is permanently present and can be edited any time without interrupting running samples.
A unique feature of U-Visc software is its ability to define and store different operating methods, including different ways for cleaning and drying tubes. Methods can be set up for viscosity measurement or calibration and involve a number of configurable steps.
Multi-Lingual
New multi-lingual software allows for controlling all analysis procedure in different languages.
Viscosity index (VI)
VI is calculated either automatically or manually. Software gives VI automatically for same sample ID's. It is also possible to calculate VI by choosing two different sample IDs manually.
Features
- Applicable for fuels, base oils, formulated oils, and other petrochemical fluid chemicals as well as diluted polymers
- Meets all ASTM, EN, ISO and DIN standards related to kinematic viscosity and diluted solution viscosity standards
- Extremely accurate temperature control
- Extremely accurate flow-time measurement independent of fluid type
- Viscometer filling by either vacuum or pressure method
- Little sample volume / little solvent consumption
- High capacity; up to 10 measurements per bath per tube per hour
- Innovative viscometer tube cleaning allowing cross contamination free operation
- Easy viscometer tube exchange
- Suitable for petrochemical fluids and diluted solution viscosity samples
- Chemically resistant to an extended range of fluids and solvents
- Multiple versions available covering a wide variety of requirements
- Compact design
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Omnitek U-Visc Viscometer
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