Product Overview
The Bently Nevada 330709-000-030-10-11-05 is a high-performance 3300 XL 11 mm Proximity Probe designed for accurate shaft displacement and vibration measurement in critical rotating machinery. This unit features a M16x1.5 thread, 0 mm unthreaded length, 30 mm overall case length, and a 1.0 meter cable with a miniature coaxial ClickLoc connector and FluidLoc cable. Its robust construction with a PPS probe tip and AISI 304 stainless steel case ensures durability in harsh industrial environments. The Bently Nevada 330709-000-030-10-11-05 offers multiple agency approvals, making it a reliable choice for global applications.
Technical Specifications
| Parameter |
Value |
| Probe Length |
1.0 m |
| DC Resistance (RPROBE) |
5.9 ± 0.5 ohms |
| Probe Tip Material |
Polyphenylene sulfide (PPS) |
| Probe Case Material |
AISI 304 stainless steel |
| Probe Cable Specification |
75 ohm triaxial, FEP insulated |
| Probe Case Thread |
M16x1.5 |
| Max Thread Engagement |
24 mm |
| Recommended Case Torque |
21.1 N·m (187 in·lb) |
| Max Case Torque |
63.3 N·m (560 in·lb) |
| Connector Torque (Max) |
0.565 N·m (5 in·lb) |
| Min Bend Radius |
25.4 mm (1.0 in) |
| Operating Temperature |
-52°C to +177°C |
| Cross-talk Target Flat Diameter (Min) |
30.5 mm |
| Cross-talk Shaft Diameter (Min) |
152 mm |
Industry Applications
The Bently Nevada 330709-000-030-10-11-05 excels in vibration monitoring for turbines, compressors, pumps, and generators. Its precise measurement helps prevent catastrophic failures by detecting shaft eccentricity and bearing wear. In high-temperature zones, the probe’s wide operating range of -52°C to +177°C ensures reliable data even in extreme conditions. The cross-talk limitation feature minimizes interference on small shaft diameters, making it ideal for compact machinery.
Installation & Setup Guidance
Proper installation of the Bently Nevada 330709-000-030-10-11-05 is crucial for accurate readings. Ensure the probe tip is clean and the mounting hole is threaded to M16x1.5 with maximum 24 mm engagement. Apply recommended torque of 21.1 N·m to avoid damaging the case. For the connector, tighten to finger tight only, with a maximum of 0.565 N·m. Maintain a minimum bend radius of 25.4 mm on the cable to prevent signal degradation. Avoid exposing the probe below -34°C during installation to preserve the pressure seal.
Maintenance & Reliability
Regular inspection of the Bently Nevada 330709-000-030-10-11-05 extends its service life. Check the cable for kinks or abrasion, especially near the connector. Verify the probe tip for debris or corrosion. The fluid‑resistant FluidLoc cable withstands oil and moisture, but periodic cleaning is recommended. Operating within the temperature schedule (e.g., T2 for EPL Ga/Gc at -55°C to +177°C) ensures compliance and reliability. By following these practices, users minimize downtime and maintain measurement accuracy.
Selection Guide & Purchasing Advice
When selecting the Bently Nevada 330709-000-030-10-11-05, confirm the required cable length and connector type. This model comes with a 1.0 m cable and ClickLoc connector. For alternative lengths or armored options, consult our technical team. UBEST Automation (ubest101) stocks this exact variant with multiple approvals. Verify the probe case thread (M16x1.5) matches your installation. For bulk orders or custom configurations, contact us for lead times.