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Electronic von Frey
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Electronic von Frey


An easy, fast and pleasant way to determine suprathreshold levels.


Change a boring and time consuming test method to a quick, pleasant and accurate operation where the threshold data can be directly collected into computer systems.

Delivered to your needs - the EvF system consists of several individual components. Depending on your needs SOMEDIC can supply you with any configuration based on the following components:

1/ The unique EvF transducer, with high sensitivity, rapid reaction time and minimal movement artefacts. Any of the supplied probe tips in the range of 0.1 to 1.0 mm can be attached to the probe tip holder

2/ An amplifier, specially built for the transducer, available in 1- or 4-channel versions.

3/ Software to collect and evaluate the results.

4/ Computer systems; running the software and storing results.


Technical Specifications - Electronic von Frey

Key Application:
  • Suprathreshold pain ratings in humans
  • Investigation of paw withdrawal thresholds in rats.

  • Key Features:
  • One of the great advantages of our EvF transducer is that the user can select one tip diameter and then use it for a large range of varying forces.
  • The SOMEDIC Electronic von Frey has a very user friendly transducer - with the lowest weight.
  • The SOMEDIC Electronic von Frey saves you time - with a group of 20 animals you can save as much as 7 hours a day!

  • Last changed by Gunilla Nilsson (2005-03-30 08:55:01)

    (c) 2002 NOD and Somedic Sales AB