Product Overview
The Bently Nevada 330906-02-12-10-02-05 is a 3300 NSv Reverse Mount Probe designed for demanding industrial vibration monitoring. This probe delivers superior chemical resistance compared to the 3300 RAM probe, making it ideal for process compressor applications. With its side-view characteristics, it offers improved gapping accuracy over the 3000-series 190 probe. Built in the U.S.A., this module ensures reliable performance in harsh environments.
Key Features & Benefits
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Enhanced Chemical Resistance: The NSv probe withstands corrosive media, extending service life in process compressors.
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Robust Construction: Probe tip made of polyphenylene sulfide (PPS) and case of AISI 304 stainless steel (SST) for durability.
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Secure Connections: Gold-plated brass ClickLoc connectors lock into place, preventing loosening.
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Patented TipLoc Molding: Provides a robust bond between probe tip and body, ensuring consistent measurement.
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Multiple Approvals: Agency approval option 05 offers flexibility for various regulatory requirements.
Technical Specifications
Below are the key specifications for the Bently Nevada 330906-02-12-10-02-05:
| Parameter |
Value |
| Probe Length |
1.0 meter (39 in) |
| Probe DC Resistance (RPROBE) |
4.2 ± 0.5 ohms |
| Linear Range |
1.5 mm (60 mils); from 0.25 to 1.75 mm (10 to 70 mils) |
| Recommended Gap Setting |
1.0 mm (40 mils) |
| Probe Tip Material |
Polyphenylene sulfide (PPS) |
| Probe Case Material |
AISI 304 stainless steel (SST) |
| Maximum Torque (Reverse mount) |
22.6 N•m (200 in•lb) rated; 7.5 N•m (66 in•lb) recommended |
| Operating Temperature |
-52°C to +177°C (-62°F to +351°F) |
| Storage Temperature |
-52°C to +177°C (-62°F to +351°F) |
| Thread Type |
3/8-24 UNF |
| Connector Option |
Miniature coaxial ClickLoc connector, standard cable |
Industry Applications
The 330906-02-12-10-02-05 excels in monitoring vibration in rotating machinery, particularly in process compressors where chemical resistance is critical. Its side-view design allows precise gap setting, ensuring accurate readings even in tight spaces. Typical applications include:
- Process compressor monitoring
- Turbine and pump vibration analysis
- Industrial machinery health monitoring
Installation & Setup Guidance
Proper installation is essential for accurate measurement. Follow these guidelines:
- Mount the probe with the recommended torque of 7.5 N•m (66 in•lb) to avoid damage.
- Ensure the gap is set to 1.0 mm (40 mils) for optimal linear range.
- Use three-conductor shielded triad cable with a maximum length of 305 meters (1,000 feet) between the Proximitor Sensor and the monitor.
- For field wiring, use 0.2 to 1.5 mm² (16 to 24 AWG) conductors; with ferrules, use 0.25 to 0.75 mm² (18 to 23 AWG).
Maintenance & Reliability
The Bently Nevada 330906-02-12-10-02-05 is designed for long-term reliability. The Viton O-ring seals differential pressure between the probe tip and case, preventing leakage. To maintain performance:
- Inspect the probe and cable regularly for wear or damage.
- Avoid sustained exposure below -34°C (-30°F) to prevent premature failure of the pressure seal.
- Check torque settings periodically to ensure secure mounting.
Selection Guide & Purchasing Advice
When selecting the 330906-02-12-10-02-05, verify the thread type (3/8-24 UNF) and cable length (1.0 meter) match your application. The probe is part of the 3300 NSv series, available with various thread options. For expert guidance and genuine parts, trust PLC Source PRO to supply authentic Bently Nevada components. Ensure your system is compatible with the 3300 XL NSv Proximitor Sensor for optimal performance.