Product Overview

The 330101-00-48-05-02-00 is a high-performance eddy-current transducer from Bently Nevada's industry-standard 3300 XL series. This 8 mm proximity probe is engineered to provide precise, non-contacting displacement measurements by generating a voltage signal directly proportional to the distance between the probe tip and a conductive target. Primarily used for monitoring critical machinery health, it offers exceptional accuracy for both dynamic vibration and static position sensing. The 3300 XL line is celebrated for its thermal stability and total interchangeability, allowing this probe to be used with various extension cables and Proximitor sensors without requiring custom bench calibration.

Definitive Engineering Specifications

• Model Number: 330101-00-48-05-02-00

• Sensor Tip Diameter: 8 mm

• Thread Profile: 3/8-24 UNF (Standard English Thread)

• Total Case Length: 4.8 Inches

• Unthreaded Length: 0.0 Inches (Fully Threaded)

• Integral Lead Length: 0.5 Meters (approx. 20 inches)

• Connector Interface: Gold-plated ClickLoc miniature coaxial

• Standard Calibration: AISI 4140 Steel

• Hazardous Approval: Multiple international certifications (Option 05)

• Net Device Weight: 0.06 kg

• Form Factor: 1.8 x 1.6 x 123 cm (Probe and lead assembly)

Operational Scenarios and Machinery Protection

This proximity probe is a cornerstone of Turbine Supervisory Instrumentation (TSI) for power generation, petrochemical, and manufacturing sectors. It is typically installed in the bearing housings of high-speed rotating assets—such as centrifugal compressors, steam turbines, and industrial pumps—to monitor radial shaft vibration and identify rotor imbalances. Its DC response capability makes it equally effective for axial thrust position monitoring, preventing stator-to-rotor contact. Furthermore, the 330101-00-48-05-02-00 is widely deployed as a Keyphasor sensor, providing the vital once-per-turn reference signal required for phase analysis and precise rotational speed tracking.

FAQ

Q: Does this probe include mechanical armor on the cable?

A: No, this specific model (option 02) features a standard unarmored cable. This provides a smaller cable diameter and greater flexibility for routing through narrow conduits where the conduit itself provides the necessary physical protection.

Q: Is the 330101-00-48-05-02-00 compatible with older Bently Nevada systems?

A: Yes, the 3300 XL 8 mm probes are fully backward compatible with non-XL 3300 series 5 mm and 8 mm components. This allows for simple drop-in replacements during maintenance cycles without needing to overhaul the entire monitor rack.

Q: What is the benefit of the ClickLoc connector?

A: The ClickLoc system uses a gold-plated coaxial interface that "clicks" to confirm a secure connection. This design prevents the connection from loosening due to machine vibration and ensures a corrosion-resistant signal path.

Q: Can I use this probe with target materials other than 4140 steel?

A: While factory-calibrated for AISI 4140 steel, it can measure other conductive metals. However, because different alloys affect the eddy-current field differently, you would need to adjust the scale factor or use a Proximitor sensor specifically calibrated for that material.

Q: Does this model include a connector protector?

A: No, the -00 suffix at the end of the order string indicates that a connector protector is not included. If the installation environment is heavily contaminated with oil or moisture, a separate protector or a different model option should be considered.