Bently Nevada 330709-000-120-10-02-00 3300 XL 11 mm Proximity Probe

Description

Option 000 (0 mm unthreaded length) and Option 120 (120 mm overall case length) specify this metric thread 3300 XL 11 mm proximity probe configuration — 330709-000-120-10-02-00, a non-contact proximity probe used for shaft displacement and axial position measurements. Operating as part of a 3300 XL 11 mm transducer chain, this sensor relies on eddy-current technology to track rotor position and shaft vibration on critical rotating machinery. The unarmored design integrates an M16 x 1.5 metric thread case with a 1.0 meter standard coaxial cable and miniature ClickLoc connector, requiring no agency approvals (Option 00) for standard applications.

Unlike variants that include flexible stainless steel armor (such as the 330710 series) or those with built-in connector protectors (Option 01), this specific configuration offers an unarmored standard cable assembly. The fully threaded M16 x 1.5 metric thread case length of 120 mm allows direct insertion into standard threaded machine housings where physical armor is not required. Gold-plated brass ClickLoc connectors lock into place to prevent loose connections during operation, while patented TipLoc and CableLoc integration methods ensure a robust bond between the tip, case, and cable.

Features

• Option 330709 designates an unarmored metric thread probe body with an M16 x 1.5 thread.
• Option 000 designates a fully threaded case with a 0 mm unthreaded length.
• Option 120 designates an overall case length of 120 mm.
• Option 10 designates a 1.0 meter (3.3 feet) total cable length.
• Option 02 designates a miniature coaxial ClickLoc connector with a standard FEP insulated cable.
• Option 00 designates that agency approvals are not required.
• Locknut with pre-drilled safety wire holes comes standard with the probe.
• Patented TipLoc molding method provides a secure bond between the polyphenylene sulfide probe tip and the stainless steel case.
• Patented CableLoc design provides up to 330 N (75 lb) pull strength from probe case to probe lead.

Applications

• Turbine and compressor shaft vibration monitoring
• Rotor position and thrust measurement
• Fluid-film bearing clearance monitoring in rotating machinery
• Critical industrial machinery protection systems

Ordering Information

Technical Specifications

Installation Guidelines

• Ensure the thread engagement depth does not exceed 24 mm to prevent binding during installation.
• Tighten the M16 x 1.5 probe case to the recommended torque of 21.1 N-m (187 in-lb), up to a maximum of 63.3 N-m (560 in-lb).
• Maintain a minimum cable bend radius of 25.4 mm (1.0 in) during routing to prevent internal coaxial conductor damage.
• Set the initial probe gap to approximately 2.5 mm (100 mils) for optimal alignment within the 4.0 mm (160 mils) linear range.
• Protect the coaxial connectors with silicone self-amalgamating tape or external protectors in humid or oily environments.

Compliance and Certifications