Description

The Bently Nevada 330101-00-08-05-02-05 is a high-precision 3300 XL 8 mm Proximity Probe engineered for non-contact vibration and shaft position measurements in critical rotating machinery. As part of the 3300 XL monitoring chain, this configuration features a standard 3/8-24 UNF thread, a short 0.8-inch overall case length, and a fully threaded case with a 0.0-inch unthreaded length. It is designed to work directly with a 3300 XL Proximitor sensor and extension cable, providing accurate eddy-current displacement measurement.

This specific variant stands out with its compact 0.5-meter (1.6-foot) total cable length, which reduces cable slack in tight installations and ensures low electrical resistance. The cable is terminated with a miniature coaxial ClickLoc connector and is built with standard triaxial FEP insulation. Additionally, this probe configuration comes with agency option 05, making it certified under ATEX, IECEx, and CSA standards for safe operation in hazardous industrial environments, including steam/gas turbines, compressors, and high-speed pumps.

Features

• Rugged 8 mm tip diameter optimized for non-contact eddy-current displacement measurements.
• Short 0.8-inch overall case length with 0.0-inch unthreaded length, allowing maximum thread engagement in tight areas.
• Compact 0.5-meter total cable length with durable standard triaxial FEP insulation.
• Gold-plated miniature coaxial ClickLoc connector ensures a reliable, vibration-resistant connection.
• Premium AISI 303/304 stainless steel probe body with a robust polyphenylene sulfide (PPS) tip.
• Fully certified with CSA, ATEX, and IECEx approvals for intrinsically safe installations.

Applications

• Steam and gas turbine shaft vibration and radial position monitoring.
• Compressor and high-speed pump rotor axial displacement measurement.
• Thrust and radial displacement tracking in critical rotating machinery.
• Machine protection and conditioning monitoring in refineries, chemical plants, and power generation facilities.

Ordering Information

Technical Specifications

Installation Guidelines

• Gap Adjustment: Mount the probe with the appropriate probe gap (typically -10 Vdc bias corresponding to 1.27 mm or 50 mils) as required by the 3300 XL Proximitor calibration guidelines.
• Recommended Torque: Tighten standard forward-mount threads to a recommended torque of 7.5 N-m (66 in-lbf). Do not exceed the maximum rated torque of 11.2 N-m (100 in-lbf).
• Thread Engagement: Ensure thread engagement does not exceed 0.563 inches (14.3 mm) to prevent physical binding during installation.
• Cable Routing: Ensure a minimum cable bend radius of 25.4 mm (1.0 in) is observed. Use cable protection conduits where mechanical wear or abrasion is possible.
• Grounding and Shielding: Properly shield the transducer cable and terminate it inside a junction box. Run coaxial lines away from high-power electrical cabling to eliminate noise interference.

Compliance and Certifications

• Hazardous Area Classifications: Certified with CSA, ATEX, and IECEx approvals (Option 05)
• Intrinsically Safe (ia): Ex ia IIC T5...T1 Ga; Ex ia IIIC T90 degC...T280 degC Dc
• Non-Sparking (nA, ec): Ex nA IIC T5...T1 Gc; Ex ec IIC T5...T1 Gc
• Entity Parameters: Ui = -28V, Ii = 140 mA, Pi = 0.91 W, Ci = 1.5 nF, Li = 610 uH