The 330876-02-10-00-00 model is defined by these specific engineering options:
- Probe Tip Diameter: 50mm (High-range sensing)
- Thread Type: 1 1/2-12 UNF (Imperial thread)
- Unthreaded Length: 02 (2.0 inches)
- Overall Case Length: 10 (10.0 inches)
- Total Cable Length: 00 (0.0 Meters / Only used for probe-to-connector interface)
- Agency Approval: 00 (Standard industrial certifications)
- System Sensitivity: Designed for use with specific 3300 XL Proximitors
- Weight: Approximately 0.46kg
The Bently Nevada 330876-02-10-00-00 is a specialized large-scale eddy current sensor designed for the 3300 XL series. Primarily, this 50mm proximity probe excels in measuring differential expansion on large steam turbines. By tracking the relative thermal growth between the machine rotor and stator, it prevents axial clearance issues. Consequently, this transducer is essential for the safe startup and steady-state operation of massive utility-scale power generation assets.
High-Range Displacement and Signal Integrity
Technically, the 50mm tip diameter allows for a much larger linear range compared to standard 8mm probes. First, the sensor captures significant axial shifts that occur during thermal cycling. Additionally, the system provides a stable voltage output that remains consistent despite the presence of lubricating oils or moisture. Because this probe is built to industrial standards, it maintains high signal-to-noise ratios even in electrically noisy plant environments. This reliability ensures that control systems receive precise data for critical machine interlocking.
Installation and Operational Performance
Regarding mechanical deployment, the 10-inch case length provides the reach necessary for deep-seated turbine housing mounts. Specifically, the unthreaded section facilitates precise positioning within the mounting bracket. Moreover, the gold-plated coaxial connectors ensure a low-impedance path for the high-frequency signal. In short, this 50mm proximity probe provides the heavy-duty performance and specialized measurement range required for large-scale rotating equipment maintenance and safety.
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