Introduction
When upgrading vibration monitoring systems, the Bently Nevada 330709-000-040-10-12-05 3300 XL 11 mm Proximity Probe delivers reliable performance with precise specifications. This probe is designed for demanding industrial environments, offering accurate displacement measurements for rotating machinery. The 330709-000-040-10-12-05 features a 1.0 meter cable, miniature coaxial ClickLoc connector, and FluidLoc cable, ensuring robust signal transmission. With multiple agency approvals, it meets global safety standards.
Technical Specifications
The Bently Nevada 330709-000-040-10-12-05 probe offers key parameters critical for monitoring applications:
| Parameter |
Value |
| Probe dc resistance (1.0 m) |
5.9 ± 0.5 ohms |
| Recommended minimum target size (flat) |
30.5 mm (1.2 in) diameter |
| Recommended minimum shaft diameter |
152 mm (6.0 in) |
| Probe tip material |
Polyphenylene sulfide (PPS) |
| Probe case material |
AISI 304 stainless steel |
| Probe cable specification |
75 Ω triaxial, FEP insulated |
| Probe case thread |
M16 x 1.5 |
| Maximum thread engagement |
24 mm |
| Recommended probe case torque |
21.1 N·m (187 in·lb) |
| Operating temperature range |
-52°C to +177°C |
Industry Applications
The Bently Nevada 330709-000-040-10-12-05 3300 XL 11 mm Proximity Probe excels in monitoring turbine shaft vibration in power generation. It also provides reliable data for compressor health in petrochemical plants and pump condition monitoring in water treatment facilities. The probe's robust construction and precise specifications make it an ideal replacement for older 3300 series probes.
Installation & Setup
Install the Bently Nevada 330709-000-040-10-12-05 probe using the M16 x 1.5 threaded case. Apply the recommended torque of 21.1 N·m to avoid thread damage. Ensure the target surface is clean and flat. Use the miniature coaxial ClickLoc connector for secure cable attachment. Avoid over-tightening the connector; maximum torque is 0.565 N·m. Maintain a minimum bend radius of 25.4 mm for the cable to prevent internal damage.
Maintenance & Reliability
Inspect the Bently Nevada 330709-000-040-10-12-05 probe periodically for cable wear and connector integrity. The probe operates reliably between -52°C and +177°C. Exposing the probe to temperatures below -34°C may cause premature pressure seal failure. Regular calibration checks every 6-12 months ensure consistent performance and reduce downtime costs.
Selection Guide & Purchasing Advice
When selecting the Bently Nevada 330709-000-040-10-12-05, verify the cable length (1.0 meter), connector type (miniature coaxial ClickLoc with FluidLoc cable), and agency approval (multiple approvals). This probe is a direct replacement for existing 3300 XL installations. For genuine parts and expert support, choose UBEST Automation as your supplier. Check your system's shaft diameter and target size to ensure compatibility.