Bently Nevada 330103-00-10-20-12-05 3300 XL 8 mm Proximity Probe
The Bently Nevada 330103‑00‑10‑20‑12‑05, also cataloged as the 330103 3300 XL 8 mm Proximity Probe, operates as a dedicated eddy‑current transducer for static shaft position and dynamic vibration monitoring in machinery protection systems.
Suffix Breakdown & Model Matrix
330103 — 3300 XL 8 mm proximity probe
00 — Unthreaded length option (0 mm)
10 — Overall case length option
20 — Cable length = 2.0 m
12 — Miniature coaxial ClickLoc connector with fluid‑resistant cable protection
05 — Agency approvals (CSA, ATEX, IECEx)
Hardware Specifications
Parameter
Specification
Model
330103‑00‑10‑20‑12‑05
Brand
Bently Nevada
Product Type
3300 XL 8 mm Proximity Probe
Tip Size
8 mm
Case Length
10 (suffix option)
Cable Length
2.0 m
Connector Type
Miniature coaxial ClickLoc, fluid‑resistant
Agency Approval
CSA, ATEX, IECEx
Linear Range
2.0 mm (80 mils)
Output Sensitivity
~7.87 V/mm (200 mV/mil)
Operating Temperature
-40 deg C to +177 deg C (-40 deg F to +351 deg F)
Rotor Dynamics and Cross-Talk Suppression
The 330103 probe design incorporates eddy‑current scaling with gap voltage validation near ‑10 VDC reference, ensuring linearity across the 2 mm measurement span. In multi‑probe installations, cross‑talk suppression techniques are applied to maintain independent channel fidelity. This enables accurate rotor dynamics analysis, critical for vibration diagnostics and shaft position monitoring in fluid‑film bearing machines.
Frequently Asked Questions
Q: Can the 330103‑00‑10‑20‑12‑05 be hot‑swapped during operation? A: No. Probes must be disconnected only when the system is de‑energized to preserve calibration integrity.
Q: How does agency approval affect installation? A: CSA, ATEX, and IECEx approvals certify the probe for hazardous area use; installation procedures must follow site safety standards.
Q: What is the typical sensitivity of the probe? A: The probe provides ~200 mV/mil output across its defined linear range.
Field Installation Guidelines
Do not cut or modify the probe cable; factory termination preserves calibration.
Maintain proper bend radius to avoid altering coaxial geometry.
Route cables away from high‑frequency switching conductors to reduce induced noise.
Ensure ClickLoc connector is fully seated before energizing the system.
Confirm hazardous area installation complies with CSA, ATEX, and IECEx requirements.
