![]() The displacement transducers were standard types, installed inside a titanium housing designed to survive the subsea environment. The Datalogger enclosures were fully waterproof and constructed from heavy gauge PVC and titanium. ![]() The displacement transducers were also monitored by Model 8002 LC-2 Dataloggers, but were connected via an umbilical cable to permit undersea mounting. The whole assembly was mounted to the caisson using a custom-made titanium mounting bracket. The MEMS tilt sensors were housed inside a protective enclosure which also contained an integral battery powered Model 8002 LC-3 Datalogger for continuous monitoring. To meet the objectives of the monitoring project, two Model 6160 MEMS Tiltmeters (located inside the caisson) were used to monitor any tilting and four Model 4420 Displacement Transducers (12.5 mm range) were installed on each pipe connection to measure longitudinal displacements 2 on the stainless steel pipe and 2 at the stainless steel to concrete caisson pipe connection.
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