Description

The Bently Nevada 330101-02-32-10-02-05 is a high-precision 8 mm proximity probe belonging to the industry-standard 3300 XL 8 mm Proximity Transducer System. This specific variant is configured with an unthreaded length of 0.2 inches and an overall case length of 3.2 inches, featuring a standard 3/8-24 UNF thread. It is designed without mechanical armor, offering a lightweight and highly flexible cable routing profile suitable for installations where external protection is not required or is run through separate dedicated conduits.

Serving as a crucial component in vibration monitoring and machinery protection systems, this proximity probe utilizes the eddy-current operating principle to perform non-contact shaft vibration and axial position measurements. It interfaces seamlessly with a 330180 series Proximitor sensor and a 3300 XL standard extension cable to form a complete 5-meter or 9-meter transducer chain. The configuration terminates in a standard 1.0-meter (3.3 feet) cable with a Miniature coaxial ClickLoc connector (without a connector protector), assuring low-attenuation signal transmission. Certified under option code 05, this probe meets rigorous CSA, ATEX, and IECEx safety standards for dependable operation inside hazardous and explosive industrial areas.

Features

• Rugged 8 mm tip diameter optimized for reliable eddy-current non-contact displacement monitoring.
• Custom unthreaded length of 0.2 inches matched with a 3.2-inch threaded case length for targeted bracket positioning.
• Unarmored design provides excellent flexibility for standard coaxial cable routing.
• Standard 1.0-meter (3.3 feet) cable length designed to minimize slack in compact machinery setups.
• Terminated with a high-durability Miniature coaxial ClickLoc connector for a robust electrical interface.
• Agency approval option 05 provides native compliance with ATEX, IECEx, and CSA hazardous location directives.

Applications

This proximity probe is used globally in heavy industries (power generation, oil and gas, and chemical processing) to protect critical rotating assets, such as:

• Steam and gas turbine shaft vibration and thrust position analysis.
• Centrifugal compressor and high-volume pump rotor displacement monitoring.
• Critical rotating machinery protective shutdowns.
• Industrial gearbox, motor, and generator bearing casing installations.

Ordering Information

Technical Specifications

Installation Guidelines

To ensure precise signal calibration and prevent physical damage to the equipment, the following installation guidelines must be followed:

• Always set the physical probe gap using a calibrator or voltmeter to match the system scale factor (typically gapped at 1.27 mm or 50 mils).
• Ensure the target shaft surface is clean, free of scratches, and constructed of standard AISI 4140 steel for optimal calibration alignment.
• Avoid exceeding maximum thread engagement limits (0.563 inches for 3/8-24 UNF threads) during installation on the machine casing.
• Route cables with appropriate shielding and electrical grounding techniques to mitigate potential industrial noise or interference.
• Observe all intrinsic safety barriers and drawing parameters when deploying inside certified hazardous environments.

Compliance and Certifications