Specialty and Non-standard High Frequency Testing

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At ESS, we can measure materials for DC,  SURFACE / VOLUME RESISTIVITY

 

SURFACE AND VOLUME RESISTIVITY per ASTM D257..

The fixture shown below can measure surface and volume Resistivity of

solids, rubbers, plastics and many other electrical substrates.  The fixture can measure materials from low ohms to many Gig-ohms.

 

These  photos show the surface and volume Resistivity fixture manufactured  by ESS.  The photo on the left shows the internal measurement electrodes.  The top cover is a flat copper or aluminum plate used when measuring Volume Resistivity.  The bottom (right view) shows the inner most "live" ring used to power the MUT and the larger outer ring used to measure Surface Resistivity.  The top cover also has a fixed 10 lb weight for repeatable top pressure during testing.