Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

Congratulations cowski on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Electrical Resistivity and Contact Resistance

Thread starter Rockjoint
Start date Feb 9, 2002

Status: Not open for further replies.

Feb 9, 2002

Rockjoint

Geotechnical

Regarding typical electrical resistivity profiling or sounding, I need to determine the contact resistance between a metal electrode inserted into the earth and the earth material itself. I am sure there is a way of doing this with a DMM or megger. However, I am unable to do this with a DMM without designing some type of attachment or special probe for insertion into the ground (otherwise, I would not know the contact resistance of this special probe, and would be right back where I started). Any ideas for a simple field method of determining contact resistance would be greatly appreciated.

Sincerely,
Rockjoint