Introduction
The Bently Nevada 330103-06-15-10-12-RU 3300 XL 8 mm Proximity Probe is a high-precision eddy current sensing solution designed for critical machinery condition monitoring. Built within the 3300 XL series, this probe delivers stable, repeatable vibration and displacement measurements for rotating equipment where reliability and signal accuracy are essential.
Engineered for industrial environments such as turbines, compressors, pumps, and generators, it provides robust performance even under high temperature, vibration, and demanding operational conditions. Its rugged construction and API 670-aligned design make it a trusted component in predictive maintenance systems.
Technical Specifications
| Parameter | Value |
|---|
| Series | 3300 XL 8 mm |
| Model | 330103-06-15-10-12-RU |
| Probe Tip Diameter | 8 mm |
| System Type | Eddy current proximity probe |
| Total Length | 1.0 m (typical configuration) |
| Unthreaded Length | 60 mm (option code 06) |
| Case Length | 150 mm (option code 15) |
| Cable Type | Triaxial, low-noise coaxial cable |
| Connector Type | Miniature ClickLoc coaxial connector |
| Thread Type | M10 x 1 (typical for 330103 variant family) |
| Operating Temperature | -35°C to +177°C |
| Storage Temperature | -51°C to +177°C |
| Linear Measurement Range | 0.25 mm to 2.0 mm |
| Sensitivity | Approx. 7.87 V/mm (system dependent) |
| Material | Stainless steel probe body (industrial grade) |
| Tip Material | PPS (Polyphenylene Sulfide) |
| Sealing | Viton O-ring sealed construction |
| Weight | Approx. 0.323 kg |
Applications
The 3300 XL 8 mm proximity probe is widely deployed in high-value rotating machinery monitoring systems where precision and reliability directly impact operational safety and efficiency.
Typical applications include:
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Steam and gas turbines shaft vibration monitoring
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Centrifugal compressors radial displacement measurement
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Pumps and motor shaft position monitoring
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Generator bearing condition tracking
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Industrial gearbox vibration analysis
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Keyphasor speed and phase reference systems
Its non-contact measurement capability allows continuous monitoring without mechanical wear, making it ideal for long-term industrial operation.
Technical FAQs
1. What is the primary function of this probe?
It measures shaft vibration and displacement using eddy current technology.
2. Is it suitable for high-temperature environments?
Yes, it supports up to +177°C depending on system configuration.
3. Does it require physical contact with the shaft?
No, it is a non-contact proximity sensing device.
4. What type of signal output does it provide?
It outputs a voltage proportional to target distance.
5. Can it be used for speed measurement?
Yes, in Keyphasor configurations.
6. What material is the probe tip made of?
Polyphenylene Sulfide (PPS).
7. Is it resistant to industrial vibration?
Yes, it is designed for high vibration environments in rotating machinery.
8. What is the typical weight of the probe?
Approximately 0.323 kg.
9. Is it compatible with other 3300 series components?
Yes, it is designed for system-level interchangeability within the 3300 XL platform.
10. What industries commonly use it?
Power generation, oil & gas, petrochemical, and heavy manufacturing.
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