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ASTM D445, ASTM D446, DIN 51562, IP 71, ISO 3104, ISO 3105, GOST 33,DEF STAN 91-091

Herzog’s automated Ubbelohde viscometers offer stability, ease of use, repeatability, and high sample throughput. It simultaneously tests up to two samples using standard Ubbelohde-style capillary tubes. It offers true stand-alone operation with exceptional bath temperature range and stability. 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 aggressive solvents such as toluene or acetone.


  • HVU 481: 20º to 150ºC (68 to 302ºF)
  • HVU 482: -40º to +100ºC (-40 to +212ºF)