Product Introduction
When encountering unreliable vibration readings in rotating machinery, the Bently Nevada 330709-000-050-50-01-00 3300 XL 11 mm Proximity Probe provides a robust solution. This probe is part of the 3300 XL series, engineered for industrial monitoring applications. It features an M16 x 1.5 thread, a total length of 5.0 meters (16.4 feet), and a miniature coaxial ClickLoc connector with connector protector. The probe case is made of AISI 304 stainless steel, and the tip is constructed from polyphenylene sulfide (PPS). Manufactured in the USA, this unit ensures reliable performance in harsh environments.
Technical Specifications Breakdown
The Bently Nevada 330709-000-050-50-01-00 is built to precise specifications for accurate measurement. The following table summarizes key parameters:
| Parameter |
Value |
| Probe Length |
5.0 m |
| DC Resistance (RPROBE) |
7.2 ± 0.8 ohms |
| Probe Tip Material |
Polyphenylene sulfide (PPS) |
| Probe Case Material |
AISI 304 stainless steel |
| Temperature Range (Operating and Storage) |
-52°C to +177°C (-62°F to +351°F) |
| Probe Case Torque (M16x1.5) |
63.3 N·m (560 in·lb) |
| Connector-to-Connector Torque (Max) |
0.565 N·m (5 in·lb) |
| Minimum Bend Radius |
25.4 mm (1.0 in) |
| Thread Size |
M16 x 1.5 |
| Maximum Thread Engagement |
24 mm |
| Cross-talk Limitation – Flat Surface Min Diameter |
30.5 mm (1.2 in) |
| Cross-talk Limitation – Shaft Min Diameter |
152 mm (6.0 in) |
These specifications ensure consistent performance and compatibility with the system.
Installation & Setup Guidance
Proper installation of the Bently Nevada 330709-000-050-50-01-00 is critical to avoid measurement errors and mechanical damage. The probe uses an M16 x 1.5 thread; apply a torque of 63.3 N·m (560 in·lb) to the probe case. For the connector, only finger-tight is recommended, with a maximum torque of 0.565 N·m (5 in·lb) to prevent connector damage. The minimum bend radius of 25.4 mm applies to the cable, so avoid sharp bends during routing. The maximum thread engagement is 24 mm; do not exceed this to avoid stress on the probe tip. For reliable operation, ensure the target surface is flat with a minimum diameter of 30.5 mm, or a shaft diameter of at least 152 mm to minimize cross-talk.
Maintenance & Reliability
Routine maintenance of the Bently Nevada 330709-000-050-50-01-00 focuses on cable and connector integrity. Inspect the cable for kinks, cuts, or abrasions, especially near the probe tip and connector. The probe is designed for temperatures from -52°C to +177°C, but exposing it to below -34°C (-30°F) may cause premature failure of the pressure seal. In such environments, consider thermal protection or verify the probe is still functioning. The connector should be checked periodically for cleanliness and proper seating; the connector-to-connector torque must not exceed 0.565 N·m. These steps enhance long-term reliability and reduce unplanned downtime.
Troubleshooting & Common Issues
Common issues with the Bently Nevada 330709-000-050-50-01-00 often stem from cross-talk, incorrect resistance, or improper torque. If readings drift or are erratic, measure the probe dc resistance between center and outer conductor; it should be 7.2 ± 0.8 ohms. Values outside this range indicate a damaged cable or connector. Cross-talk errors typically occur when the target is too small: ensure the flat target diameter is at least 30.5 mm or shaft diameter 152 mm. If the probe is exposed to extreme cold (< -34°C) and subsequently fails, the pressure seal may have been compromised. Finally, verify connector torque is not excessive—overtightening can deform the connector and degrade signal integrity. Replace any worn components promptly.
For purchase or inquiries, visit UBEST Automation to acquire this genuine Bently Nevada 330709-000-050-50-01-00 probe and keep your machinery monitoring accurate.