Product Introduction
When industrial rotating machinery demands precise and reliable proximity sensing, the Bently Nevada 330709-000-070-10-02-00 3300 XL 11 mm Proximity Probe delivers robust performance. This probe is designed for non-contact vibration and position measurement in critical applications such as turbines, compressors, and pumps. Part of the trusted 3300 XL series, it combines rugged construction with high accuracy to reduce unplanned downtime.
Technical Specifications
Below are key specifications for the Bently Nevada 330709-000-070-10-02-00 probe. All values are from the product datasheet.
| Parameter |
Value |
| Model |
330709-000-070-10-02-00 |
| Thread Size |
M16 x 1.5 |
| Probe Type |
3300 XL 11 mm Proximity |
| Unthreaded Length |
0 mm |
| Case Length |
70 mm |
| Total Length |
1.0 m (3.3 ft) |
| Connector |
Miniature coaxial ClickLoc |
| DC Resistance (RPROBE) |
5.9 ± 0.5 ohms |
| Probe Tip Material |
Polyphenylene sulfide (PPS) |
| Probe Case Material |
AISI 304 stainless steel |
| Cable |
75 Ω triaxial, FEP insulated |
| Case Torque (M16x1.5) |
21.1 N•m (187 in•lb) |
| Connector Torque (max) |
0.565 N•m (5 in•lb) |
| Minimum Bend Radius |
25.4 mm (1.0 in) |
| Max Thread Engagement |
24 mm |
| Temperature Range (Operating/Storage) |
-52°C to +177°C (-62°F to +351°F) |
| Cross-Talk: Target Flat Surface Min |
30.5 mm (1.2 in) |
| Cross-Talk: Shaft Diameter Min |
152 mm (6.0 in) |
Real-World Applications
The Bently Nevada 330709-000-070-10-02-00 probe excels in monitoring shaft vibration and position within large rotating assemblies. Typical installations include steam turbines, centrifugal compressors, and high-speed pumps. The cross-talk limitation ensures accurate readings when targets are small or shafts are close to other metallic surfaces. With a 1.0-meter cable and ClickLoc connector, it integrates easily into existing Bently Nevada monitoring systems.
Installation & Setup Guidance
Proper installation of the 330709-000-070-10-02-00 requires attention to torque and alignment. Tighten the probe case to 21.1 N•m (187 in•lb) and the connector only to finger-tight with a maximum of 0.565 N•m. Ensure thread engagement does not exceed 24 mm. The cable bend radius must stay above 25.4 mm to prevent damage. When operating below -34°C, avoid stressing the pressure seal as premature failure may occur.
Maintenance & Reliability
For long-term reliability, periodically inspect the cable and connector for wear. Measure the DC resistance between center and outer conductors; it should remain at 5.9 ± 0.5 ohms for a 1.0 m probe. Check for any deformation of the PPS tip or corrosion on the stainless steel case. Storing the probe within the specified temperature range preserves the FEP insulation and overall integrity.
Selection Guide & Purchasing Advice
Before ordering, confirm that the 330709-000-070-10-02-00 matches your system requirements: thread M16x1.5, 1.0 m cable, and ClickLoc connector. This probe is unarmored and suitable for standard environments. For armored or different connector options, refer to the full 3300 XL series. Purchase genuine parts from UBEST Automation (ubest101) to ensure authentic Bently Nevada quality and reliable supply for your critical spares.