Bently Nevada 330103-00-10-10-01-00 3300 XL 8mm Proximity Probe

Technical Specification Overview

The Bently Nevada 330103-00-10-10-01-00 serves as a high-precision, non-contacting transducer for the 3300 XL 8mm Proximity Transducer System. This probe measures both static (displacement) and dynamic (vibration) distances by generating an eddy current field that interacts with a target metal surface. By converting physical gap changes into a proportional voltage signal, the sensor allows the monitoring system to track shaft behavior with sub-millimeter resolution.

Design and Functional Capabilities

Engineers designed this specific probe configuration to provide a standard 3/8-24 UNF threaded body with a 1.0-meter integral cable. The 8mm tip offers a standard linear range of 2.0 mm (80 mils), which remains the global industry benchmark for monitoring fluid-film bearings. Furthermore, the 3300 XL series features advanced thermal stability, ensuring that data remains accurate despite significant temperature fluctuations within the machine housing.

• Manufacturer: Bently Nevada
• Model Number: 330103-00-10-10-01-00
• System Series: 3300 XL 8mm
• Unthreaded Length: 0.0 inches
• Overall Case Length: 1.0 inches
• Total Cable Length: 1.0 Meter
• Connector Option: Miniature coaxial ClickLoc connector with silicone boot
• Agency Approval: Standard
• Mounting Thread: 3/8-24 UNF

Operational Impact and Applications

This proximity probe actively powers predictive maintenance strategies by delivering high-fidelity data to Turbine Supervisory Instrumentation (TSI). Consequently, operators can identify mechanical faults—such as shaft misalignment, rotor imbalance, or bearing degradation—long before they escalate into catastrophic failures. Moreover, the integration of these probes into a 3500 Monitoring System allows for automatic machinery protection and emergency trip functions.

Primary industrial applications include:

• Radial Vibration: Monitoring the orbit and dynamic movement of shafts in centrifugal compressors.
• Axial Position: Tracking the thrust displacement of rotors in steam and gas turbines.
• Keyphasor Signals: Providing a phase reference pulse to synchronize vibration data with rotational speed.

Mechanical Integrity and Resilience

To ensure survival 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 oil, moisture, and steam. Additionally, the patented ClickLoc connector technology provides a secure, vibration-resistant electrical path. The included silicone boot further seals the connection, ensuring that environmental contaminants do not interfere with the sensitive electrical signals.