Product Introduction
In industrial vibration monitoring, reliable proximity probes are critical for accurate shaft displacement measurement. The Bently Nevada 330709-000-230-90-11-05 3300 XL 11 mm Proximity Probe is designed to deliver consistent performance in harsh environments. This probe features a M16x1.5 thread, 9.0 meter total length, and a miniature coaxial ClickLoc connector with connector protector and FluidLoc cable. With multiple agency approvals, it is suitable for hazardous area installations.
Technical Specifications
The following specifications are for the 330709-000-230-90-11-05:
| Parameter |
Value |
| Unthreaded Length |
0 mm |
| Overall Case Length |
230 mm |
| Total Length |
9.0 meters (29.5 feet) |
| Connector Type |
Miniature coaxial ClickLoc with protector, FluidLoc cable |
| Probe DC Resistance (9m) |
8.5 ± 1.1 ohms |
| Recommended Minimum Target Diameter |
30.5 mm (1.2 in) |
| Recommended Minimum Shaft Diameter |
152 mm (6.0 in) |
| Probe Tip Material |
Polyphenylene sulfide (PPS) |
| Probe Case Material |
AISI 304 Stainless Steel |
| Cable Specification |
75 Ω triaxial, FEP insulated |
| Probe Case Torque (Recommended) |
21.1 N•m (187 in•lb) |
| Connector-to-connector torque (Max) |
0.565 N•m (5 in•lb) |
| Minimum Bend Radius |
25.4 mm (1.0 in) |
| Thread |
M16x1.5 |
| Max Thread Engagement |
24 mm |
| Operating Temperature Range |
-52°C to +177°C (-62°F to +351°F) |
Industry Applications
The 330709-000-230-90-11-05 is ideal for monitoring shaft vibration in turbines, compressors, pumps, and other rotating machinery. Its rugged construction ensures accurate measurements even in high-temperature environments, reducing false alarms and unplanned downtime. With cross-talk limitations addressed by the recommended target and shaft diameters, this probe provides reliable data for condition-based maintenance programs.
Installation & Setup Guidance
Proper installation is key to probe performance. Ensure the mounting surface is clean and flat. Tighten the probe case to the recommended torque of 21.1 N•m (187 in•lb) to avoid damage to the threads or sensor. For the connector, finger-tighten and apply a maximum of 0.565 N•m. Observe the minimum bend radius of 25.4 mm to prevent cable damage. Do not expose the probe to temperatures below -34°C (-30°F) during storage or operation to preserve pressure seal integrity.
Maintenance & Reliability
The 330709-000-230-90-11-05 requires minimal maintenance due to its robust stainless steel case and PPS tip. Periodically inspect the cable for cuts or abrasions and ensure the connector remains clean and dry. The probe’s temperature schedule covers a wide range (T1 to T5 for EPL Ga/Gc), making it versatile for various zone classifications. Regular calibration checks can extend service life and maintain data accuracy.
Selection Guide & Purchasing Advice
When selecting a replacement or new 330709-000-230-90-11-05, verify the total cable length needed and the connector type. This model includes FluidLoc cable, which resists moisture and chemicals. For integrated systems, ensure compatibility with your monitor’s connector. UBEST Automation offers this genuine Bently Nevada 330709-000-230-90-11-05 part, manufactured in the USA, with multiple approvals. Contact us for assistance with your specific application requirements.