Product Overview

The 330101-30-10-02-05 is a high-precision eddy current sensor belonging to the Bently Nevada 3300 XL 8mm series. This proximity probe is specifically engineered for non-contacting displacement measurements in critical machinery utilizing fluid-film bearings. By monitoring the gap between the probe tip and the rotating shaft, it provides essential data regarding radial vibration and axial position. Designed to withstand the rigors of industrial environments, this transducer maintains high linearity and thermal stability, ensuring that Turbine Supervisory Instrumentation (TSI) systems receive accurate signals for machinery protection and early fault detection.

Engineering Specifications and Physical Attributes

The 330101-30-10-02-05 is constructed with premium materials to ensure reliable signal acquisition under extreme conditions.

• Thread Configuration: M8 x 1 metric thread

• Unthreaded Length: 30 mm

• Overall Case Length: 100 mm

• Connector Type: Miniature coaxial ClickLoc connector with gold plating

• Agency Approvals: Multi-certification option (-05) including ATEX, IECEx, and CSA

• Total Weight: 0.06 kg

• External Dimensions: 1.8 cm x 1.6 cm x 123 cm (Probe reach/packaging reference)

• Operational Temperature: -40°C to +177°C (-40°F to +351°F)

• Environmental Protection: IP67 rated and resistant to corrosive industrial lubricants

• Material: High-strength stainless steel body with Polyphenylene Sulfide (PPS) tip

Industrial Deployment Scenarios

This 8mm proximity probe is a standard component for comprehensive asset protection across several heavy-duty sectors:

• Power Generation: Installed on large-scale steam and gas turbines to monitor shaft eccentricity and thrust position.

• Oil and Gas: Vital for centrifugal compressors and high-speed pumps where explosive atmosphere certifications are mandatory.

• Water Treatment: Monitoring large vertical pumps and electric motors to prevent bearing failure and unplanned downtime.

• Manufacturing: Applied to high-speed gearboxes and blowers to track rotational speed (Keyphasor) and vibration profiles.

• Chemical Processing: Used in environments requiring high RFI/EMI immunity to ensure clean data transmission near variable frequency drives.

FAQ

Q: Does the 330101-30-10-02-05 require manual calibration upon installation?

No, the 3300 XL system is designed for full interchangeability. Probes, cables, and sensors can be swapped without bench calibration, provided the total system length matches the Proximitor’s requirements.

Q: What is the benefit of the ClickLoc connector?

The ClickLoc connector provides a secure, vibration-resistant electrical bond while maintaining a small profile that can be easily pulled through narrow conduits during field installation.

Q: Is this probe compatible with older 3300 (non-XL) systems?

Yes, the 3300 XL 8mm probes are backward compatible with standard 3300 Proximitor sensors and extension cables, though performance is optimized when used within a full XL-series chain.

Q: Can this probe be used in submerged oil applications?

The probe tip and cable are specifically designed to resist moisture and most industrial lubricating oils, making them suitable for installation inside bearing housings.

Q: How does the RFI/EMI immunity affect the sensor's performance?

High immunity allows the probe to provide a stable, noise-free signal even when installed in fiberglass housings or near high-voltage equipment, meeting European CE requirements without the need for shielded conduit.