Product Introduction
When monitoring critical rotating machinery, signal integrity and environmental resilience are paramount. The Bently Nevada 330709-010-050-10-02-00 3300 XL 11 mm Proximity Probe addresses common failure modes such as cross-talk, thermal drift, and mechanical stress. Designed for precision gap measurement, this probe ensures reliable vibration data collection in harsh industrial settings.
Technical Specifications
The following specifications highlight the probe's robust design and performance characteristics:
- Unthreaded Length: 10 mm
- Overall Case Length: 50 mm
- Total Probe Length: 1.0 meter (3.3 feet)
- Connector: Miniature coaxial ClickLoc connector with standard cable
- Probe DC Resistance (Center to Outer): 5.9 ± 0.5 ohms at 1.0 m
- Cross-talk Limitation: Recommended minimum target diameter 30.5 mm (1.2 in) for flat surface; minimum shaft diameter 152 mm (6.0 in)
- Probe Tip Material: Polyphenylene sulfide (PPS)
- Probe Case Material: AISI 304 stainless steel
- Probe Cable: 75 Ω triaxial, FEP insulated, available in 1, 5, or 9 m lengths
- Case Thread: M16x1.5, maximum engagement 24 mm
- Probe Case Torque: Recommended 21.1 N·m, maximum 63.3 N·m
- Connector-to-Connector Torque: Finger tight, maximum 0.565 N·m
- Minimum Bend Radius: 25.4 mm (1.0 in)
- Temperature Range: Operating and storage -52°C to +177°C; exposure below -34°C may affect pressure seal
- Humidity: 100% condensing, non-submersible, tested to IEC 68-2-3 damp heat
- Pressure Seal: Viton O-ring; probes not pressure tested prior to shipment
Installation & Setup Guidance
Proper installation prevents common failures. Ensure the mounting surface is clean and flat. Apply the recommended torque of 21.1 N·m for the M16x1.5 probe case. The connector should be hand-tightened only (finger tight). Maintain a minimum bend radius of 25.4 mm for the cable to avoid damage. For optimal cross-talk performance, use a target flat surface diameter of at least 30.5 mm or shaft diameter of 152 mm.
Maintenance & Reliability
Regular inspection of the probe tip and cable for wear is recommended. The PPS tip and AISI 304 stainless case provide corrosion resistance. Monitor the probe DC resistance as a diagnostic check. In high-moisture environments, ensure connectors are protected to prevent condensation damage. The probe's temperature rating of -52°C to +177°C ensures reliable operation in extreme conditions.
Selection Guide & Purchasing Advice
When selecting the Bently Nevada 330709-010-050-10-02-00, verify the required probe length and connector type. This model includes a 1.0 m cable with a miniature coaxial ClickLoc connector. For longer cable runs, consider options 5 or 9 meters (available separately). Ensure compatibility with your extension cable and monitor. UBEST Automation (ubest101) is a trusted supplier for genuine Bently Nevada parts. Contact us for assistance with configuration.