Shielded paired disc electrode with Tri-lead connector
 
 
Cadwell Laboratories, Inc.
For faster test setup, try Cadwell paired disc electrodes. They combine both active and reference discs. The custom-molded contacts are 10 mm (0.4 in) in diameter and are made from solid stainless steel with a locator pin on the back. The lead wires are red-and-black and available in twisted pairs. Shielded paired disc electrodes are also available.