US Patent 7722748 Apparatus for measuring electrochemical corrosion

Disclosed herein is an electrochemical corrosion sensor. The sensor may include an array of electrodes wherein each electrode may include a diamond like carbon coating disposed on at least a portion of the electrodes. The coating thickness may be at least about 1 micron. The electrodes may therefore provide relatively more accurate determination of electrode corrosion rates that may be more consistent with coupon type gravimetric testing.