Product Introduction
In critical rotating machinery, accurate vibration monitoring is essential to prevent catastrophic failures. The Bently Nevada 330708-00-10-50-02-00 3300 XL 11 mm Proximity Probe delivers precise displacement measurements, ensuring early detection of shaft vibration and position changes. This probe is part of the trusted 3300 XL series, known for robust performance in industrial automation settings.
Technical Specifications
The Bently Nevada 330708-00-10-50-02-00 offers these key parameters:
| Parameter |
Value |
| Probe Tip Material |
Polyphenylene sulfide (PPS) |
| Probe Case Material |
AISI 304 stainless steel (SST) |
| Probe Cable |
75 Ω triaxial, FEP insulated |
| Total Probe Length |
5.0 meters (16.4 feet) |
| Probe Case Thread |
5/8-18 UNF |
| Operating & Storage Temperature |
-51°C to +177°C (-60°F to +351°F) |
| Probe DC Resistance (RPROBE) |
7.2 ± 0.8 ohms |
| Max. Thread Engagement |
0.938 inches |
| Recommended Case Torque |
15.2 N•m (133 in•lb) |
| Connector Torque (max) |
0.565 N•m (5 in•lb) |
| Minimum Bend Radius |
25.4 mm (1.0 in) |
Installation & Setup Guidance
Proper installation of the Bently Nevada 330708-00-10-50-02-00 ensures long-term reliability. Use a 5/8-18 UNF threaded hole with a maximum engagement depth of 0.938 inches. Tighten the probe case to the recommended torque of 15.2 N•m; never exceed 45.2 N•m. For connector-to-connector joints, finger-tight is sufficient, with a maximum torque of 0.565 N•m. Maintain a minimum bend radius of 25.4 mm for the cable to avoid damage.
Maintenance & Reliability
The 330708-00-10-50-02-00 operates reliably across -51°C to +177°C, but avoid sustained exposure below -34°C as it may compromise the pressure seal. The Viton O-ring seal prevents differential pressure issues, though the probe is not pressure-tested before shipment. Regularly inspect the triaxial FEP cable for cuts or kinks, and verify DC resistance (7.2 ± 0.8 ohms) to confirm integrity.
Troubleshooting & Common Issues
Common problems with proximity probes include cable damage, incorrect torque, and temperature extremes. If the Bently Nevada 330708-00-10-50-02-00 gives erratic readings, check the cable for breaks or bends exceeding the minimum radius. Ensure the probe case is not over‑tightened, as this can distort the housing. For applications with high ambient heat, confirm the probe tip (PPS) and cable (FEP) remain within the rated temperature range.
Selection Guide & Purchasing Advice
When ordering the Bently Nevada 330708-00-10-50-02-00, verify the thread type (5/8-18 UNF) and cable length (5.0 m). This variant uses a miniature coaxial ClickLoc connector with standard cable. For assistance selecting the correct 3300 XL probe for your machinery, consult the product documentation or contact a knowledgeable supplier like ubest101. Ensure your system's clearance allows for the 1.0-inch minimum bend radius during routing.