Description

Designed for non-contact, high-precision shaft vibration and position measurement, the Bently Nevada 330101-00-52-10-02-00 is an 8 mm proximity probe engineered for demanding industrial environments. Operating on the eddy-current principle, this transducer system is optimized for continuous machinery protection. It acts as a critical interface in vibration monitoring systems, pairing directly with 3300 XL Proximitor sensors and extension cables to measure dynamic shaft movement or static rotor positioning.

Unlike variants that include protective armor or specialized hazardous area certifications, this specific configuration features a fully threaded 5.2-inch case (0.0-inch unthreaded length) with standard 3/8-24 UNF threads, allowing for direct mounting and flexible depth adjustment within threaded bores. It is supplied with a 1.0-meter (3.3-foot) standard coaxial cable terminated in a high-integrity miniature coaxial ClickLoc connector. This non-armored, non-hazardous-rated option is ideal for standard machinery monitoring zones requiring robust mechanical builds without complex hazardous zone overhead.

Features

• Eddy-current measurement principle offers wear-free, non-contact detection of rotor shaft vibration and axial position.
• Fully threaded 5.2-inch stainless steel case allows direct depth adjustment and versatile mounting configuration options.
• 1.0-meter (3.3-foot) standard coaxial cable with a miniature ClickLoc connector ensures low-loss, stable signal pathing.
• Rugged tip material and durable case construction protect sensor components in high-vibration bearing housings.
• Seamlessly integrates into standard 3300 XL 8 mm monitoring loops and 3500 series machinery protection racks.

Applications

The 330101 proximity probe is deployed extensively across heavy industries for critical rotating equipment protection, including:

• Steam turbine and gas turbine radial shaft vibration monitoring.
• Axial thrust displacement tracking in high-capacity centrifugal compressors and multi-stage pumps.
• Oil-film sleeve bearing clearances and shaft-to-bearing housing position monitoring.
• Continuous monitoring of turbine-generators, industrial gearboxes, and large cooling tower fans in non-hazardous areas.

Ordering Information

Technical Specifications

Installation Guidelines

To secure maximum performance and accuracy from the transducer system, follow these general engineering rules:

• Probe Gap Calibration: Align the probe relative to the target shaft surface (usually AISI 4140 steel) using an accurate micrometer to establish the required nominal gap voltage per system requirements.
• Coaxial Connection: Protect the miniature coaxial ClickLoc connector against grease, fluids, and environmental debris; avoid tight bending angles on the standard cable.
• Noise Isolation: Route the coaxial sensor cable through dedicated conduit or cable trays separated from high-voltage field wiring to minimize electromagnetic noise coupling.