Bently Nevada 330703-000-050-10-02-00 3300 XL 11 mm Proximity Probe

Description

330703-000-050-10-02-00 is an eddy-current proximity probe used in 3300 XL 11 mm proximity transducer systems. This configuration features an M14 x 1.5 metric threaded steel body with 0 mm of unthreaded length (Option 000), a 50 mm overall case length (Option 050), and a 1.0 meter total probe length (Option 10). It is equipped with a standard unarmored triaxial cable terminating in a Miniature coaxial ClickLoc connector (Option 02), and requires no hazardous area agency approvals (Option 00).

This proximity probe is used for non-contact vibration and position measurements on critical rotating machinery. The 11 mm tip diameter provides a linear range of 4.0 mm (160 mils), making it suitable for applications with larger displacement requirements compared to standard 8 mm probes. It is compatible with 3300 XL 11 mm Proximitor Sensors and extension cables, allowing integration into industrial machinery protection systems.

Features

• Metric thread design: M14 x 1.5 threaded probe body without protective stainless steel armor.
• Fully threaded case: 0 mm unthreaded length option for maximum thread engagement flexibility.
• 50 mm overall case length: Standard medium-length case size for metric bracket installations.
• 1.0 meter total length: Integrates with matching extension cables to complete a 5.0 meter or 9.0 meter system.
• Miniature ClickLoc coaxial connector: Gold-plated brass connector provides secure, low-loss physical connection.
• Extended linear range: 4.0 mm (160 mils) measuring range provides high signal-to-noise ratio and wide gap tolerance.

Applications

• Steam turbine and gas turbine rotor axial position measurement
• Compressor and pump shaft vibration monitoring
• Thrust bearing wear detection in heavy rotating machinery
• Hydroelectric generator shaft runout and thermal expansion measurement
• Industrial machinery protection systems requiring metric mounting configurations

Ordering Information

Technical Specifications

Installation Guidelines

Proper mechanical and electrical installation is critical for the longevity and accuracy of the 3300 XL 11 mm proximity probe. Observe the following practices during installation:

• Thread Engagement: Do not exceed the maximum thread engagement length of 21 mm for the M14 x 1.5 case. Excess thread engagement can cause binding or mechanical damage during insertion.
• Torque Limits: Tighten the probe case to a recommended torque of 21.1 N-m (187 in-lb). Do not exceed the maximum torque rating of 63.3 N-m (560 in-lb) to prevent case stripping or internal component damage.
• Cable Management: Maintain a minimum cable bend radius of 25.4 mm (1.0 in). Avoid routing the FEP-insulated coaxial cable over sharp metal edges or in areas where it can become pinched or abraded.
• Connector Handling: The Miniature ClickLoc coaxial connectors must be handled with care. Finger-tighten connections, then use standard locking techniques if necessary (maximum connector torque is 0.565 N-m / 5 in-lb). The use of connector protectors or silicone tape is recommended to shield the connection from contamination in wet or oily environments.
• Pressure Sealing: The probe has a built-in Viton O-ring designed to seal differential pressure between the probe tip and case. To prevent seal failure, avoid exposing the probe to temperatures below -34 degC.

Compliance and Certifications

This specific configuration is supplied with the Option 00 agency approval, meaning local hazardous area certifications (such as ATEX, IECEx, or CSA) are not required or provided. Conformance to standard European Directives is maintained:

• EMC Directive: Conforms to EMC Directive 2014/30/EU, meeting standard EN 61000-6-2 (Immunity for Industrial Environments) and EN 61000-6-4 (Emissions for Industrial Environments).
• RoHS Directive: Conforms to RoHS Directive 2011/65/EU regarding environmental protection.