Bently Nevada 330876-01-10-00-00 3300 XL 50 mm Proximity Probe

Description

Designed for high-displacement, non-contact vibration and axial position measurements, the Bently Nevada 330876-01-10-00-00 belongs to the robust 3300 XL 50 mm proximity transducer family. This probe is engineered to measure shaft displacement, differential expansion, and structural motion in harsh industrial environments. Operating on eddy-current principles, it delivers continuous dynamic measurements when paired with a matching 3300 XL 50 mm Proximitor Sensor. The FluidLoc cable technology prevents process fluids or moisture from bypassing the internal core, ensuring stable signal transmission in wet or demanding conditions.

Features

• Standard 1/2-20 UNF-2A straight-exit threaded case for standard industrial mounting.
• Large 50 mm sensor diameter optimized for wide-displacement measuring ranges.
• FluidLoc cable construction blocks high-pressure or high-temperature fluid migration.
• High-integrity coaxial connections utilize corrosion-resistant gold-plated brass ClickLoc connectors.
• Broad temperature operating range suitable for heavy industrial environments.

Applications

• Differential expansion measurement in utility steam turbines and generators.
• Shaft axial position and thrust wear monitoring in large-scale rotating machinery.
• Hydroelectric generator shaft alignment and air gap measurements.
• Structural deformation and thermal growth tracking in high-temperature utility assets.

Technical Specifications

Installation Guidelines

• Verify that the mounting bracket supports the probe tip perpendicular to the observed shaft target to eliminate angular calibration errors.
• Ensure proper physical clearances are maintained around the 50 mm probe tip to prevent side-loading and interference from surrounding metallic components.
• Keep minimum cable bend radius limits above 25.4 mm (1.0 inch) during routing to prevent internal conductor damage.
• Use dedicated junction boxes or clean conduit pathways to isolate the proximity probe cable from high-voltage motor or generator power lines.