The Bently Nevada 330881-28-08-050-03-02 is a high-performance PROXPAC XL proximity transducer assembly. This integrated system provides non-contact measurement of vibration and position for rotating machinery shafts. It specifically combines a 3300 XL 8 mm proximity probe and a Proximitor sensor within a single, ruggedized housing. This design streamlines field installation by eliminating the need for separate sensor and housing configurations.
Technical Specifications
The configuration for model 330881-28-08-050-03-02 includes the following technical attributes:
- Probe Type: 8 mm 3300 XL Proximity Probe
- Standoff Adapter Length: 2.8 inches
- Probe Penetration: 0.8 inches
- Total Cable Length: 5.0 meters (approximately 16.4 feet)
- Mounting Thread: 3/4-14 NPT
- Hazardous Area Approvals: ATEX, IECEx, and CSA certified
- Housing Material: High-durability polyphenylene sulfide (PPS) and stainless steel components
Advanced Design and RFI Immunity
The PROXPAC XL assembly features significant improvements in signal integrity. It provides superior immunity to Radio Frequency Interference (RFI) and Electromagnetic Interference (EMI). This allows the sensor to operate reliably in non-metallic or fiberglass enclosures without requiring additional shielded conduit.
The assembly incorporates a patented ClickLoc connector that resists vibration-induced loosening. Furthermore, the integrated mounting base provides built-in electrical isolation. This feature removes the necessity for external isolation plates, reducing both the cost and the complexity of the installation process.
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