Method and apparatus for remotely monitoring corrosion using corrosion coupons
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United States of America Patent
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Jan 18, 2005
Grant Date -
Mar 25, 2004
app pub date -
Jun 30, 2003
filing date -
Jun 28, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A method and an apparatus for remotely and automatically monitoring for corrosion of a tank, pipe, or container with a gas or liquid environment using corrosion coupons that do not have to be removed from the environment for inspection and evaluation. The coupons are designed to fail when a specified level of corrosion occurs. A permanent magnet located on a coupon sensing system inside the corrosive environment is used to transmit the failure of the coupons outside the corrosion environment and across a wall or other boundary surface without requiring a power supply.
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