Bently Nevada 330901-00-90-10-02-05 3300 NSv Proximity Probe

Description

330901-00-90-10-02-05 specifies a 3300 NSv proximity probe with a 1/4-28 UNF thread and no armor. This specific configuration features 0.0 inches of unthreaded length, a 9.0-inch overall case length, a 1.0-meter (39 in) total cable length, a miniature coaxial ClickLoc connector with a standard cable, and multiple agency approvals.

The 3300 NSv system is used for non-contact shaft vibration and position measurements on machines with limited clearance or reduced target geometries, such as centrifugal air compressors, refrigeration compressors, and small-bore rotating machinery. The unarmored cable design provides clean routing in tight enclosures, and the gold-plated ClickLoc connector prevents connection loosening during operation. It is electrically and mechanically interchangeable with older 3300 RAM systems, offering superior side-view characteristics and enhanced chemical resistance.

Features

• Threaded configuration: 1/4-28 UNF thread without stainless steel armor
• Option 00 unthreaded length: 0.0 inches (fully threaded case)
• Option 90 case length: 9.0 inches overall threaded length
• Option 10 total length: 1.0 meter (39 in) probe cable length
• Option 02 connector: Miniature coaxial ClickLoc connector on standard FEP insulated coaxial cable
• Option 05 approval: Multiple agency approvals for hazardous area installations
• TipLoc molding: Robust structural bond between the polyphenylene sulfide (PPS) tip and the stainless steel case
• CableLoc design: Provides up to 220 N (50 lb) of pull strength between the probe tip and the cable

Applications

• Centrifugal air compressors and refrigeration compressors with tight clearances
• Process gas compressors and high-speed turbomachinery
• Radial vibration and position measurements on shafts smaller than 51 mm (2 in)
• Axial (thrust) position measurements on flat targets smaller than 15 mm (0.6 in)
• Tachometer, zero speed, and phase reference (Keyphasor) measurements

Ordering Information

Technical Specifications

Installation Guidelines

• Target Calibration: The system is standard-calibrated to AISI 4140 steel. Calibrating to other target materials will alter the scale factor.
• Probe Gapping: Mount the probe at the recommended gap of 1.0 mm (40 mils) from the target surface, corresponding to a nominal output of approximately -9 Vdc from the Proximitor.
• Cable Routing: Ensure the 75 ohm coaxial cable maintains a minimum bend radius of 25.4 mm (1.0 in) to prevent impedance changes and physical degradation.
• Thread Torque: Secure the 1/4-28 probe case using a maximum rated torque of 7.3 Nm (65 in-lb), with a recommended installation torque of 5.1 Nm (45 in-lb).
• Connector Security: Hand-tighten the coaxial ClickLoc connectors. If environmental exposure to liquids is expected, protect the junction using a connector protector kit or self-fusing silicone tape.

Compliance and Certifications

• Option 05 Approvals: Approved for hazardous areas via multiple agencies (including CSA, ATEX, and IECEx certifications).
• Intrinsic Safety (ia): Certified Ex ia IIC T5...T1 Ga and Ex ia IIIC T90degC...T280degC Dc when connected with appropriate entity parameters.
• Non-Sparking (nA/ec): Certified Ex nA IIC T5...T1 Gc and Ex ec IIC T5...T1 Gc.
• CE Mark: Fully compliant with European EMC directive requirements for emissions and RFI/EMI immunity when mounted appropriately.