Patent ID: 8408053
Filing Date: 2013-04-02
Classification: G01N

Abstract:
1. An apparatus for measuring the effects of corrosion comprising: a container having a top, the container adapted to receive a first fluid and a second fluid within the container; a first holder assembly adapted to hold a first cylindrically shaped coupon and a second holder assembly adapted to hold a second cylindrically shaped coupon, each holder assembly having a cylindrical body, a bore, and a retainer, the retainer detachably connecting the respective coupon to the holder assembly; a shaft suspended from the top and extending into the container, the shaft adapted to pass through the bore of the first holder assembly and the second holder assembly, and to place the first coupon into contact with the first fluid and to place the second coupon into contact with the second fluid; and at least one sealing ring located adjacent to the first coupon and at least one sealing ring located adjacent to the second coupon, the first holder assembly urging the first coupon toward the respective sealing ring and the second holder assembly urging the second coupon toward the respective sealing ring independent of the shaft, the sealing rings preventing at least part of each coupon from contacting the first or second fluid.