Description

Optimized for continuous machinery protection and diagnostic monitoring, the Bently Nevada 330104-00-17-10-11-00 is an eddy current proximity probe belonging to the industry-standard 3300 XL 8 mm series. This non-contacting sensor measures static (gap) and dynamic (vibration) distances between the probe tip and the target shaft. It is specifically configured with an M10 x 1 thread, a fully threaded casing option, and a 1.0-meter system length. Equipped with a coaxial ClickLoc connector and FluidLoc cable, this probe prevents process fluids from migrating through the internal structure of the cable, ensuring reliable performance in harsh industrial environments.

Features

• FluidLoc Cable Technology: Prevents moisture, oil, and process fluids from leaking through the cable interior.
• ClickLoc Coaxial Connector: Heavy-duty connection mechanism with an integrated connector protector to prevent mechanical decoupling and dust ingress.
• Fully Threaded Case: 0 mm unthreaded portion with a robust 170 mm overall case length for precise positioning inside deep-well machine housings.
• High Temperature Stability: Designed to maintain accurate measurement characteristics across demanding industrial temperature profiles.
• Broad Interoperability: Seamlessly integrates with Bently Nevada 3300 XL Proximitor Sensors and extension cables.

Applications

• Steam and gas turbine shaft vibration and axial position monitoring.
• Centrifugal compressor thrust and radial displacement measurements.
• Gearbox bearing wear analysis and high-speed shaft tracking.
• Boiler feed pump shaft dynamics monitoring in power generation plants.
• Hydroelectric generator shaft alignment and runout tracking.

Ordering Information

Technical Specifications

Empirical Engineering Insights

To ensure long-term stability in hazardous industrial processes, engineers must evaluate key physical and electrical parameters during system installation.

Alternative Models & Compatibility

The 330104 series probes must be matched with a Proximitor Sensor of the correct total system length. Because this probe features a 1.0-meter total length, it requires a 4.0-meter extension cable to configure a 5.0-meter total system, or an 8.0-meter extension cable to configure a 9.0-meter total system. Intermixing 5-meter probes with 9-meter sensor electronics will cause severe calibration scale factor errors.

Application Pitfalls & Engineering Notes

Because this probe has an overall case length of 170 mm with 0 mm unthreaded portion, any misalignment during insertion can cause cross-threading in the mounting hole. When installing in a deep housing, check for thread burrs. Avoid bending the FluidLoc cable beyond its minimum dynamic bend radius of 25.4 mm (1.0 inch) to prevent internal micro-fractures in the coaxial shielding.

Commissioning & Wiring Tips

During commissioning, verify the physical gap voltage matches the design setpoint (typically -10 VDC for mid-range calibration) using a calibrated digital multimeter before securing the locknut. Ensure the ClickLoc connector protector is fully seated; this prevents machine vibration from rubbing the connector contact surfaces, which manifests as high-frequency noise spikes in control room trends.

Installation Guidelines