Only the front ceramic-to-metal interface is hermetically sealed; the rear of this reverse-mount probe is not sealed and must not be exposed to destructive fluids or gases. Gap electrically near 1.0 mm, avoid physical tip contact, and verify the matched monitoring system before service.
Important Notice: Confirm the exact 146055-10-02-00 marking, matching system components, installed configuration and controlled output before release.
These documents are different: the first consolidates verified product and system data; the second provides installation checks, commissioning steps and acceptance records.