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Diagnosing a slowly changing scan caused by mount movement

diagnosticsmountingthermal-drifttroubleshootingvibration
Lucas | Survey WorkflowSurveying Specialist · Measurement Workflow Consulting · 1 month ago

Fixed walls appear to move a few centimeters over several hours. Network timing is stable, so I suspect the mounting structure. How would you confirm whether vibration or thermal movement is responsible?

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2 replies

Tom | CommissioningCommissioning Specialist · Industrial Commissioning Services · 1 month ago

Place several surveyed reference targets in the field of view and trend their measured position together with ambient temperature and machine state. Inspect the bracket, fasteners and supporting steel for a common directional shift.

Noah | MaintenanceMaintenance Engineer · Industrial Maintenance Practice · 1 month ago

A temporary rigid reference or an independent displacement indicator can isolate sensor-mount motion from scene motion. Mark fastener positions after torque verification so later movement is visible.