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This sensor delivers precise shaft vibration and position data for turbines and compressors. It integrates seamlessly into the Bently Nevada 3300 XL 8 mm monitoring framework. Engineers rely on this probe for critical asset protection in power generation and oil refining. Its eddy-current technology ensures non-contact measurement with exceptional repeatability.
Electrical Performance and Output Characteristics
The Bently Nevada 330103-10-20-10-02-00 offers a sensitivity of 7.87 mV/µm across its linear range. Its nominal gap voltage settles at -9.0 Vdc under standard operating conditions. The probe operates with a frequency response from DC to 10 kHz. This broad bandwidth captures both slow drift and rapid transient events. Moreover, the built-in EMI shielding minimizes electrical noise interference effectively.
Key Technical Specifications
The table below summarizes the critical parameters for the Bently Nevada 330103-10-20-10-02-00.
| Parameter | Specification |
|---|---|
| Model Number | 330103-10-20-10-02-00 |
| Manufacturer | Bently Nevada |
| Product Category | Eddy Current Proximity Probe |
| Housing Thread | 3/8-24 UNF-2A |
| Total Length | 51.8 mm |
| Tip Diameter | 8.2 mm |
| Linear Range | 0.25 mm to 2.03 mm |
| Sensitivity | 7.87 mV/µm |
| Temperature Range | -35°C to +120°C |
| Extension Cable | 7.6 m with coaxial connector |
| Ingress Protection | IP67 rated |
| Weight | Approx. 230 grams |
| Tip Material | Polyphenylene Sulfide (PPS) |
| Compatible System | 3300 XL 8 mm Monitoring System |
| Output Type | Negative DC voltage signal |
| Coil Count | Single internal coil assembly |
| EMI Protection | Integrated shielding layer |
| Humidity Tolerance | 100% condensing environment |
| Industry Standard | API 670 compliant |
| Target Compatibility | Ferrous and non-ferrous metals |
Mechanical Design and Installation Features
The probe body uses a 3/8-24 UNF-2A threaded housing for secure mounting. Its total length measures 51.8 mm, while the tip diameter stands at 8.2 mm. The device includes a 7.6-meter extension cable with a robust coaxial connector. This cable length simplifies routing in large machinery compartments. Furthermore, the single coil design generates a stable electromagnetic field for consistent readings.
Environmental Durability and Service Life
Bently Nevada 330103-10-20-10-02-00 resists oil, hydraulic fluid, and mild corrosive agents effectively. The PPS tip maintains structural integrity under thermal cycling conditions. All seals comply with IP67 requirements for dust and temporary submersion. Consequently, this probe delivers a service life exceeding 50,000 hours in harsh settings. The rugged construction reduces replacement frequency and overall maintenance costs.
Application Advantages and System Compatibility
This probe provides reliable input for vibration monitoring and shaft positioning systems. Its output interfaces directly with 3300 XL rack-mounted monitors without additional adapters. The detailed specifications enable precise configuration for each unique rotor dynamics scenario. Therefore, plant engineers achieve improved prediction of bearing wear and imbalance faults. The combination of accuracy and durability supports long-term predictive maintenance programs effectively.