EHD-HS

A high speed (up to 20 m/s), fully automated, benchtop instrument measuring lubricant film thickness down to 1 nm in the elastohydrodynamic (EHD) lubricating regime.

Part code: PCS-006000

Main product features

  • Capable of running at speeds of up to 20 m/s, ideal for high speed applications such as electric vehicle drivetrains
  • State of the art software and mechanical system that ensures reliability, repeatability and usability
  • High sensitivity cameras for impressive image quality
  • Precision components enable accurate measurements down to 1 nm
  • Two independently driven motors allow any slide/roll ratio to be achieved, enabling many applications to be replicated
  • Requires a small sample volume, minimising wastage and cutting running costs
  • Fully automated, easy to calibrate, and has intuitive software

To watch the EHD-HS informational video, click here. 

Operating at up to 20 m/s and measuring lubricant film thickness down to 1 nm in the elastohydrodynamic lubricating regime, the EHD-HS represents the cutting edge of lubricant film testing.
Modern system designs have super finished contacting surfaces allowing them to operate with lubricant film thicknesses below 10 nm and the unique interferometry method used by the EHD enables accurate measurements down to 1 nm, far below the values possible with other measurement techniques.

Upgraded software and mechanical systems make improvements to the instrument’s already outstanding reliability and usability. The ability of the EHD-HS to run at speeds up to 20 m/s makes it a fantastic choice for researchers studying high speed applications such as electric vehicle drivetrains, and for those studying the effect of additives in automotive lubricants, metalworking fluids, emulsions, turbine oils and greases.

In addition to film thickness measurements, traction coefficients can be measured at any slide/roll ratio from pure rolling up to pure sliding.

Brochures & Technical Documents


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