Use this housing for an approved NSv probe installation through the machine case; confirm bearing/casing attachment, cable routing, conduit fittings and monitoring-chain match.
Important Notice: The 31000 housing is not explosion-proof or pressure-rated. Verify the complete installed approval and transducer-system drawing before service.
The first PDF details this ordered housing and the manufacturer-documented limits. The second provides a separate installation, system-check and release sequence.