Q1. What’s the difference between a ceramic capped probe and a standard 3300 XL probe?
A: A ceramic‑capped probe has an alumina ceramic tip that resists corrosion and chemical attack much better than standard polymer tips or plain stainless steel. This makes it suitable for aggressive or high‑pressure environments where a standard probe might degrade prematurely.

Q2. How does the eddy‑current principle work?
A: The probe induces eddy currents in a nearby conductive surface (e.g., shaft). Changes in distance alter the eddy currents, which are translated into a voltage signal proportional to radial vibration or gap distance. These signals are processed by a Proximitor sensor.

Q3. Why is the ceramic cap important?
A: Ceramic offers excellent chemical resistance and a high‑integrity seal at the probe tip, protecting the sensitive internal sensor from corrosive substances or pressurized fluids typical of harsh industrial environments.