| 摘要 |
This invention relates to the remote monitoring of the floating roofs of large storage tanks, including tanks used for storing liquid petroleum products or other chemicals. The invention is used to monitor the position and flexure of the roof and other conditions such as vibration; the presence of vapours or liquids from water, hydrocarbons, or other chemicals; the presence of snow; or the presence of intruders. The invention can be connected to a monitoring system using wired or wireless means and can be used for routine status monitoring or for notifying plant operators in the event of alarm conditions. The invention can be completely self-contained and is suitable for encapsulation and use in harsh environments.
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