Product Introduction
The Bently Nevada 330709-000-040-90-11-05 is a 3300 XL 11 mm proximity probe designed for precision vibration and displacement measurement in rotating machinery. As a direct replacement for older models, this probe offers enhanced accuracy and durability for critical asset monitoring.
Technical Specifications
Below are key specifications for the Bently Nevada 330709-000-040-90-11-05:
| Parameter |
Value |
| Probe Series |
3300 XL 11 mm |
| Thread Size |
M16 x 1.5 |
| Unthreaded Length |
0 mm |
| Overall Case Length |
40 mm |
| Total Cable Length |
9.0 meters (29.5 ft) |
| Connector Type |
Miniature coaxial ClickLoc with protector, FluidLoc cable |
| Agency Approval |
Multiple Approvals |
| Probe DC Resistance (RPROBE) |
8.5 ± 1.1 ohms |
| Probe Tip Material |
Polyphenylene sulfide (PPS) |
| Probe Case Material |
AISI 304 stainless steel |
| Probe Cable Spec |
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) |
| Operating Temperature Range |
-52°C to +177°C (-62°F to +351°F) |
| Minimum Target Diameter |
30.5 mm (1.2 in) flat surface |
| Minimum Shaft Diameter |
152 mm (6.0 in) |
Industry Applications
The Bently Nevada 330709-000-040-90-11-05 excels in vibration monitoring for turbines, compressors, pumps, and generators. Its wide temperature range ensures reliable performance in demanding environments such as power plants and oil refineries. The 9-meter cable allows flexible placement in large machinery trains.
Installation & Setup Guidance
Install the Bently Nevada 330709-000-040-90-11-05 with care. Use the recommended probe case torque of 21.1 N·m (187 in·lb) for M16x1.5 threads. Ensure the maximum thread engagement is 24 mm. For the connector, tighten finger tight only; do not exceed 0.565 N·m (5 in·lb). Maintain a minimum bend radius of 25.4 mm to avoid cable damage. Avoid exposing the probe below -34°C to preserve the pressure seal.
Maintenance & Reliability
Regularly inspect the cable and connector of the Bently Nevada 330709-000-040-90-11-05 for wear. The FEP-insulated triaxial cable resists high temperatures and chemicals. Replace the probe if resistance measurements deviate from 8.5 ± 1.1 ohms. This probe's robust design minimizes downtime, making it a cost-effective upgrade for legacy systems.
Selection Guide & Purchasing Advice
Before purchasing the Bently Nevada 330709-000-040-90-11-05, verify compatibility with your monitoring system (e.g., 3300 XL rack). Check the required cable length and thread type. For genuine parts and fast shipping, contact UBEST Automation. We stock this exact probe for immediate delivery.