Description

The Bently Nevada 330101-00-32-05-02-00 is an 8 mm proximity probe belonging to the 3300 XL 8 mm Proximity Transducer System. This particular configuration features a 3/8-24 UNF thread without armor, designed for non-contact vibration and shaft position measurements in critical rotating machinery. Specifically configured with an unthreaded length of 0.0 inches (0 mm) and a 3.2-inch (81 mm) overall case length, this probe has a 0.5-meter (1.6 feet) total length, standard cable, miniature coaxial ClickLoc connector, and no specialized agency approvals. It offers a reliable, high-precision solution for permanent machine monitoring on bearing housings or turbine casings where hazardous area certifications are not required.

As part of the 3300 XL series, this probe operates on the eddy-current principle to provide an output voltage directly proportional to the distance between the probe tip and the observed conductive target (typically AISI 4140 steel). It works seamlessly in the 3300 XL monitoring chain when paired with a Proximitor 330180 series sensor and a standard extension cable. This non-contact proximity probe delivers exceptional linear range, accuracy, and temperature stability, maintaining complete interchangeability with other 3300 XL components without requiring manual bench calibration.

Features

• 8 mm tip diameter engineered for highly accurate eddy-current displacement measurements.
• Unthreaded length of 0.0 inches with a 3.2-inch overall case length for precise positioning.
• 0.5-meter (1.6 feet) total probe length, optimized for standard 3300 XL transducer systems.
• Miniature coaxial ClickLoc connector provides a secure, reliable connection to the extension cable.
• Rugged, standard cable without armor, suitable for standard conduit and machine routing.
• No hazardous area approvals required (00 option), simplifying standard industrial installations.
• Highly robust probe tip and stainless steel body designed for demanding industrial environments.
• Full backward compatibility with non-XL 3300 series 5 mm and 8 mm transducer components.

Applications

• Shaft vibration and position monitoring in steam and gas turbines.
• Rotor displacement and axial thrust measurement in industrial compressors.
• Vibration analysis and diagnostic monitoring of high-speed pumps and gearboxes.
• Critical rotating machinery protection in oil and gas, power generation, and petrochemical processes.
• Keyphasor reference and speed measurements.

Ordering Information

The 330101-00-32-05-02-00 proximity probe is structured using the standard Bently Nevada 330101 ordering template. The breakdown of this specific configuration is detailed below:

Technical Specifications

Installation Guidelines

• Probe Gapping: Mount the probe with the appropriate gap distance (typically 1.27 mm or 50 mils) corresponding to the middle of the linear range. Verify output voltage using a voltmeter connected to the Proximitor sensor output.
• Thread Engagement: Ensure thread engagement does not exceed 0.563 inches (14.3 mm) for the 3/8-24 UNF threads to prevent binding or thread damage.
• Cable Routing: Route the probe cable with proper support, utilizing conduit or mounting clamps where appropriate. Avoid sharp bends that exceed the minimum bend radius of the coaxial cable.
• Shielding and Grounding: Ensure proper shielding and grounding practices are observed. Terminal connections and the Proximitor sensor should be electrically isolated from the machine housing to prevent ground loops.
• Pressure Environment: Ensure that liquids and gases are contained should any leakage occur, as exposing the probe to temperatures below -34 degC (-30 degF) may degrade the Viton O-ring seal.