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Introduction — Compact Reverse-Mount Design for Precision Shaft Monitoring
The Bently Nevada 330105-02-12-05-12-05 3300 XL 8 mm Reverse Mount Probe is a high-precision non-contact eddy-current sensor designed for measuring shaft vibration, radial displacement, and position in rotating machinery.
As part of the 3300 XL proximity transducer system, this reverse-mount configuration is engineered for installations where space constraints or mechanical layout require the probe to be installed from the opposite direction of standard mounting. It is widely used in turbines, compressors, pumps, and generators operating in critical industrial environments such as power generation, oil & gas, and petrochemical processing.
This model is commonly associated with an 8 mm probe system architecture with reverse installation geometry, offering reliable signal stability and interchangeability within the 3300 XL ecosystem.
Technical Specifications — Mechanical & Electrical Data
| Parameter | Details |
|---|---|
| Product Type | 3300 XL 8 mm Reverse Mount Eddy-Current Probe |
| Model Number | 330105-02-12-05-12-05 |
| Measurement Technology | Eddy-current non-contact sensing |
| Probe Diameter | 8 mm |
| Mounting Type | Reverse mount configuration |
| Thread Standard | 3/8-24 UNF (typical for 330105 family) |
| Probe Body Material | Stainless steel |
| Probe Tip Material | PPS (Polyphenylene Sulfide) |
| Cable Length | 0.5 m (system configuration dependent) |
| Connector Type | Miniature ClickLoc® coaxial connector |
| Cable Type | 75 Ω industrial coaxial cable |
| Linear Measurement Range | 2.0 mm typical system range |
| Operating Temperature | -40°C to +150°C (typical reverse mount variant range) |
| Environmental Protection | Industrial sealed construction (application dependent) |
| System Compatibility | Bently Nevada 3300 XL Proximitor® system |
| Approx. Weight | ~0.1–0.3 kg |
