Bently Nevada 330104-00-05-50-11-00 Proximity Probe

Bently Nevada 330104-00-05-50-11-00 3300 XL 8 mm Proximity Probe

The Bently Nevada 330104-00-05-50-11-00, also cataloged as the 330104 proximity probe, operates as a dedicated hardware component for shaft‑to‑probe displacement measurement within 3300 XL eddy‑current monitoring systems. The armored 8 mm probe establishes a calibrated electrical gap response used for continuous rotor position and dynamic behavior evaluation.

Suffix Breakdown & Model Matrix

• 330104 — 3300 XL 8 mm probe, metric, armored
• 00 — Unthreaded length 0 mm
• 05 — Overall case length 50 mm
• 50 — Total cable length 5.0 m
• 11 — Miniature coaxial ClickLoc connector, standard cable
• 00 — No agency approvals

Hardware Specifications

Eddy‑Current Scaling & Rotor Dynamics Signal Integrity

The 3300 XL 8 mm probe maintains the standardized eddy‑current scaling used across Bently Nevada systems, aligning with the -10 VDC nominal gap‑voltage reference. The extended 5.0 m cable length is factory‑matched to preserve impedance stability and maintain displacement linearity. The ClickLoc connector ensures coaxial shielding continuity, suppressing cross‑talk and preventing phase distortion during rotor‑dynamic measurements. The armored construction supports stable operation in machine housings where vibration and mechanical stress are present.

Frequently Asked Questions

Q: Can the probe be installed while the machine is rotating? A: Installation requires a non‑rotating state to ensure correct mechanical positioning and gap verification.

Q: Does the 5.0 m cable length affect electrical scaling? A: Cable length is factory‑matched to the proximitor system. Using non‑matched lengths can alter impedance and scaling.

Q: How should armored cabling be routed to minimize noise? A: Route the cable away from high‑current conductors and maintain shielding termination at the proximitor end only.

Field Installation Guidelines

• Ensure the M10 x 1 threaded mounting hole is clean and free of debris to maintain proper seating.
• Align the probe face perpendicular to the shaft surface for accurate displacement response.
• Avoid tight bends; maintain a gentle radius to preserve coaxial impedance.
• Bond shielding at the proximitor end only to prevent ground loops.
• Verify gap voltage after installation to confirm correct mechanical alignment.