Bently Nevada 330191-00-33-90-05 3300 XL 8 mm ETR Proximity Probe

Description

The 330191-00-33-90-05 is a 3300 XL 8 mm Extended Temperature Range (ETR) Proximity Probe, specifically configured with a 3/8-24 UNF thread and unarmored cable. This transducer is engineered for non-contact eddy-current displacement measurement within 3300 XL monitoring chains, providing reliable shaft vibration and axial position data in environments that require extended temperature tolerance. This configuration features a 0.0 in unthreaded length (Option 00), a 3.3 in case length (Option 33), and a 9.0 meter total system length (Option 90).

The ETR series probes are fully compatible with standard 3300 XL components, allowing for integration with standard extension cables and Proximitor sensors. Option 05 designates the inclusion of CSA, ATEX, and IECEx hazardous area approvals, ensuring compliance for installations in demanding industrial sectors such as power generation, oil and gas, and petrochemical processing. This probe is designed for use where temperature fluctuations exceed the limits of standard transducers, while maintaining the performance specifications of the 3300 XL system.

Features

• 330191 ETR Series: Extended Temperature Range proximity probe for operation in specialized thermal environments.
• 3/8-24 UNF Thread: Standard mounting thread for 8 mm probe bodies.
• Unarmored Construction: Standard cable configuration suitable for non-abrasive environments.
• Option 00 (Unthreaded Length): 0.0 in unthreaded body length.
• Option 33 (Case Length): 3.3 in overall case length.
• Option 90 (Total Length): 9.0 m system length.
• Option 05 (Approvals): Certified for hazardous areas with CSA, ATEX, and IECEx approvals.

Applications

• Turbine and compressor shaft vibration monitoring
• Rotor axial position measurement
• Critical rotating machinery protection
• High-temperature machinery bearing housing installations

Ordering Information

Technical Specifications

Installation Guidelines

Ensure the probe tip is installed within the linear measurement range of the monitored surface. When installing in hazardous areas, verify that the Proximitor sensor and associated barrier or isolator meet the installation requirements defined by the specific hazardous area certifications (CSA, ATEX, IECEx). Maintain the minimum permissible cable bend radius during installation to prevent signal degradation. For ETR systems, verify that all system components (probe, extension cable, and Proximitor) are compatible with the extended temperature specifications of the installation environment.