The Bently Nevada 330101-00-30-50-02-00 is a 3300 XL 8mm proximity probe featuring a 5.0-meter integral cable and a 3.0″ threaded case. It provides high-accuracy vibration monitoring for critical rotating assets.
The Bently Nevada 330101-00-30-50-02-00 operates as a high-precision, non-contacting displacement sensor designed for the 3300 XL 8mm Proximity Transducer System. This probe measures the dynamic and static distance between the probe tip and a target shaft by generating a high-frequency eddy current field. By converting these microscopic gap changes into a proportional voltage signal, the sensor allows the 3500 Monitoring System to track shaft vibration and axial position with sub-millimeter resolution. Consequently, this data provides the foundation for critical machinery protection and automated emergency shutdown protocols.
Engineers designed this specific probe configuration with a 3/8-24 UNF threaded body and an extended 5.0-meter integral cable. This model features a 3.0-inch overall case length with no unthreaded portion, providing a robust mounting interface for standard bearing housings. Furthermore, the 3300 XL series offers advanced thermal stability, ensuring that the scale factor remains consistent across a wide temperature range. This feature is vital for maintaining measurement accuracy during the intense thermal cycles of steam or gas turbine operations.
This proximity probe actively powers predictive maintenance strategies by delivering a continuous stream of machinery health data. Because this version includes a 5.0-meter integral cable, it allows for direct connection to a Proximitor sensor in applications where a separate extension cable is not desired or where the total system length must be strictly managed. Consequently, operators can identify mechanical faults such as rotor imbalance, shaft misalignment, or bearing degradation before they lead to catastrophic equipment failure.
Primary industrial applications include:
To ensure maximum durability in punishing atmospheres, Bently Nevada utilizes a 304 stainless steel case and a PPS (polyphenylene sulfide) resin tip. This construction creates a hermetic seal that resists the ingress of moisture, lubricating oils, and process steam. Additionally, the patented ClickLoc connector technology provides a secure, vibration-resistant electrical path. This mechanism prevents the signal attenuation that often occurs when standard connectors loosen due to the high-frequency mechanical oscillations typical of industrial bearing housings.
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