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As market leader in Petroleum Analyzers, Optimus Instruments provides innovative and cost-effective techniques for physical property testing, distillation and element analysis for almost 30 years. Great instruments combined with excellent after sales service and our worldwide unique ISO17025 accredation for verification makes Optimus Instruments a partner you can count on.

04811-000-00 - HVU 481

Delivery To be confirmed.

04811-000-00 - Ubbelohde viscometer (ASTM D445, D446, D2270)

Perfect stability, automation and high sample throughput
Herzog’s HVU 481 offers truly stand-alone operation with exceptional bath temperature range and stability. It simultaneously tests up to two samples using standard Ubbelohde-style capillary tubes. Near-infrared (NIR) or NTC thermal meniscus detection systems precisely measure flow properties of even the most challenging sample types, while an automatic tube cleaning system incorporates Kalrez(tm) seals to withstand use of aggressive solvents such as toluene or acetone.

Complete cycle time, including automated cleaning, is 30 to 40 minutes. Results can be exported immediately or on-demand to a printer or LIMS. Add the powerful Herzog Laboratory Information System (HLIS®) Windows-based software for enhanced operation and data management.

- Economical, automated dual-capillary viscosity measurements
- Strict accordance to standard methods
- Ultra precise NIR or NTC meniscus detection
- Stand alone operation
- Multi-instrument networking and enhanced PC-based operation with HLIS

ASTM D 445, ASTM D 446, ASTM D 2270, IP 71 Sections 1/2, ISO 3104, ISO 3105

Automates kinematic viscosity testing while meeting or exceeding ASTM D 445 requirements using standard Ubbelohde-style capillary tubes.
Temperature range 20 to 150°C

- Bath temperature stability: 0,01°C
- Economical, automated viscosity measurements
- Stand alone operation
- Performs two tests simultaneously
- Automatic, multi-solvent cleaning system; withstands aggressive solvents
- PC-based instrument control and multi-instrument networking capabilities using HLIS® 
- Upgradeable for automated sampling
- Electrical: 230V 50/60 Hz
- Dimensions: 350 x 500 x 900 mm
- Weight: 88kg