Product Overview

The 330101-00-40-05-01-00 is a high-precision 8 mm eddy current proximity sensor from the Bently Nevada 3300 XL series. Engineered to function as a non-contacting displacement transducer, this probe converts the physical distance between its tip and a conductive metal target into an accurate electrical voltage. It is designed for simultaneous monitoring of static shaft position and dynamic vibration, making it a cornerstone for Turbine Supervisory Instrumentation (TSI). This specific model complies with the stringent API 670 Standard (4th Edition), ensuring superior linearity, temperature stability, and accuracy for critical machinery protection in high-stakes industrial environments.

Essential Hardware Parameters and Measurement Attributes

• Model Number: 330101-00-40-05-01-00

• Sensor Diameter: 8 mm

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

• Unthreaded Case Length: 0.0 Inches (Fully Threaded)

• Overall Case Length: 4.0 Inches

• Integrated Cable Length: 1.0 Meter (3.3 feet)

• Connector Interface: Miniature gold-plated ClickLoc coaxial

• Agency Approval: Multiple international safety certifications (Option 05)

• Calibration Target: AISI 4140 Steel

• Net Weight: 0.06 kg

• Casing Dimensions: 1.8 x 1.6 x 123 cm

• Manufacturing Origin: USA

Industrial Deployment Context and Asset Monitoring

The 330101-00-40-05-01-00 is primarily utilized for the protection of rotating machinery equipped with fluid-film bearings, such as steam turbines, high-speed centrifugal compressors, and industrial pumps. Its 4.0-inch case length provides the necessary reach for standard bearing housing mounts, while its non-contacting nature prevents wear on both the sensor and the shaft. Field engineers deploy this probe for radial vibration analysis—identifying rotor imbalances or misalignments—and axial thrust position monitoring to prevent catastrophic internal contact. Additionally, the probe is commonly used for rotational speed measurements and Keyphasor reference pulses, providing essential timing data for diagnostic phase analysis.

FAQ

Q: What is the benefit of the gold-plated ClickLoc connector on this probe?

A: The ClickLoc connector ensures a secure, vibration-resistant connection between the probe and the extension cable. The gold plating prevents corrosion and oxidation, which is vital for maintaining signal integrity and accuracy in harsh, oily industrial environments.

Q: Is the 330101-00-40-05-01-00 compatible with older 3300 series monitors?

A: Yes, this 3300 XL probe is fully backward compatible and interchangeable with non-XL 3300 series 5 mm and 8 mm system components. This allows for seamless maintenance and incremental upgrades without needing to replace entire monitor racks.

Q: Does this probe require a specific extension cable length?

A: To maintain the electrical calibration of the system, this probe must be used with an extension cable that results in a total system length of either 5 meters or 9 meters, as specified by the Proximitor sensor being used.

Q: Can this probe be used in hazardous or explosive atmospheres?

A: With the "05" agency approval option, this probe is certified under international standards (including ATEX and IECEx) for use in hazardous areas when installed with the appropriate intrinsically safe barriers.

Q: What target material is required for the factory-stated accuracy?

A: The sensor is factory-calibrated for an AISI 4140 steel target. Using a target made from other conductive alloys or non-ferrous metals will result in a change to the scale factor and will require a custom calibration of the Proximitor sensor.