Introduction to the 330910-06-25-50-11-00
When machine vibration threatens uptime, the 330910-06-25-50-11-00 from Bently Nevada delivers precise, dependable measurements. This 3300 NSv proximity probe is engineered for continuous monitoring in demanding industrial environments. With a 5.0-meter cable and armored construction, it provides accurate data for predictive maintenance programs.
As part of the trusted 3300 NSv series, this probe helps you detect shaft vibration and position changes early. Consequently, you can schedule repairs before minor issues become costly failures. The result is reduced downtime and lower maintenance expenses over the equipment's lifetime.

Key Features and Technical Specifications
The 330910-06-25-50-11-00 includes several features that enhance its value in rotating machinery monitoring:
- M10X1 thread with armor for robust mounting in harsh environments.
- Unthreaded length of 60 mm, ensuring proper installation clearance.
- Overall case length of 250 mm, suitable for various machine geometries.
- Total length of 5.0 meters (16.4 feet), offering flexible routing options.
- Miniature coaxial ClickLoc connector with protector and FluidLoc cable for secure, reliable connections.
- Probe DC resistance of 5.3 ± 0.7 ohms from center to outer conductor, ensuring signal integrity.
- Operating temperature range from -52°C to +177°C, suitable for extreme conditions.
- Probe tip made of polyphenylene sulfide (PPS) and case of AISI 304 stainless steel for durability.
These specifications directly impact your bottom line. For instance, the wide temperature range reduces the need for special enclosures, saving installation costs. The stainless steel case resists corrosion, extending service life and lowering replacement frequency.
Real-World Applications and Cost Benefits
The 330910-06-25-50-11-00 excels in turbomachinery, pumps, compressors, and motors. In these applications, continuous vibration monitoring prevents catastrophic failures. By catching issues early, you avoid expensive emergency repairs and production losses.
Moreover, the probe's 5.0-meter cable allows installation away from the measurement point, simplifying routing and reducing signal noise. This flexibility can lower installation labor costs. Additionally, the ClickLoc connector ensures quick, secure connections, minimizing setup time.
From a cost-analysis perspective, investing in this probe reduces unplanned downtime. Each avoided failure can save thousands in lost production and repair expenses. Therefore, the probe pays for itself quickly in critical machinery.

Installation and Setup Guidance
Proper installation is crucial for accurate readings. First, ensure the unthreaded length (60 mm) is at least 20 mm less than the case length (250 mm) to avoid interference. Then, mount the probe using the M10X1 thread, applying the recommended torque of 11.3 N•m (100 in•lb) and a maximum of 33.9 N•m (300 in•lb).
For the connector, tighten finger tight, with a maximum torque of 0.56 N•m (5 in•lb). Respect the minimum bend radius of 25.4 mm (1.0 in) for the cable to prevent damage. Following these guidelines ensures reliable performance and avoids costly rework.
Maintenance and Reliability Tips
Routine inspection of the probe and cable is essential. Check for physical damage, especially at the bend points. Also, verify that the connector remains secure and free from contamination. Because the probe operates in harsh environments, periodic cleaning may be necessary, but always follow the manufacturer's manual.
Monitoring the probe's DC resistance can indicate cable integrity. If resistance deviates from 5.3 ± 0.7 ohms, investigate potential issues. This simple check helps prevent unexpected failures and extends the probe's useful life, contributing to lower total cost of ownership.
Compatibility and Integration
The 330910-06-25-50-11-00 is designed for use with Bently Nevada monitoring systems. It connects via a miniature coaxial ClickLoc connector, ensuring compatibility with standard 3300 NSv systems. For detailed integration guidance, refer to the official Bently Nevada documentation or contact AutoDCSTech.
Troubleshooting Common Issues
If you encounter erratic readings, first check the cable for damage or excessive bending. Next, verify the connector is tight and clean. Also, confirm the probe gap is within the recommended range. If problems persist, measure the DC resistance; a value outside 5.3 ± 0.7 ohms indicates a faulty probe or cable.
Temperature extremes can affect performance. Although the probe operates from -52°C to +177°C, prolonged exposure below -34°C may stress the pressure seal. Therefore, in cold environments, consider additional insulation or heating if sustained low temperatures are expected.
Product Support and Availability
The 330910-06-25-50-11-00 is available from AutoDCSTech in new, original factory packaging. It comes with a 12-month factory warranty. For current lifecycle status and ordering details, please contact AutoDCSTech directly.
Availability & Condition at AutoDCSTech
| Part Number | 330910-06-25-50-11-00 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
