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Overview
The 330905-00-03-10-02-00 belongs to the Bently Nevada 3300 XL series, a family of 8 mm proximity probes with M10 x 1 mounting threads. Engineers use this probe to measure shaft displacement, position, and vibration on rotating machinery. Consequently, it pairs with 3300 XL extension cables and Proximitor sensors to form a complete measurement chain.
Key Technical Specifications
The 330905-00-03-10-02-00 features an 8 mm tip diameter, an M10 x 1 mounting thread, and a 0.3-meter integral cable. Moreover, it meets API 670 requirements for radial and axial displacement measurement. The table below lists the core parameters.
| Parameter | Specification |
|---|---|
| Product Type | 8 mm proximity probe, M10 x 1 thread |
| Series | Bently Nevada 3300 XL |
| Tip Diameter | 8 mm |
| Mounting Thread | M10 x 1 |
| Armor | None |
| Linear Range | 0.25–2.3 mm (10–90 mils) |
| Scale Factor | 7.87 mV/µm (200 mV/mil) |
| Frequency Response | 0 to 10 kHz |
| Probe Cable Length | 0.3 meter (1.0 ft) |
| Total System Length | 5 meters with extension cable |
| Operating Temperature | –35 °C to +177 °C |
| Storage Temperature | –40 °C to +200 °C |
| Probe Tip Material | Polyphenylene sulfide (PPS) |
| Case Material | 316 stainless steel |
| Weight | Approximately 0.12 kg (0.26 lb) |
| Connector Type | ClickLoc coaxial |
| Compliance | API 670, CE |
Installation and Interface Details
Mounting the 330905-00-03-10-02-00 requires an M10 x 1 threaded hole in the bearing housing. The probe then connects to a 3300 XL extension cable through a ClickLoc coaxial connector. Furthermore, the unarmored body suits tight spaces where standard probes will not fit. As a result, technicians achieve consistent scale factors without field calibration.
Measurement Principle and Output
The probe generates an eddy-current field at its tip, which interacts with the conductive shaft surface. Changes in gap distance modulate this field, producing a voltage output. Additionally, the 7.87 mV/µm scale factor ensures precise displacement readings across the linear range. Therefore, the system delivers reliable data for vibration monitoring and axial position control.
Environmental and Mechanical Ratings
The PPS tip resists high temperatures up to +177 °C. Meanwhile, the 316 stainless steel case withstands corrosive industrial atmospheres. The sealed construction also tolerates moisture and oil exposure. Consequently, the probe performs well in steam turbines, compressors, and hydroelectric generators.
Why Engineers Choose This Probe
This probe offers several practical benefits. First, its M10 x 1 thread fits metric mounting holes directly. Second, the unarmored body suits compact installation spaces. Third, its robust construction extends service life in harsh environments. Therefore, maintenance teams reduce downtime and replacement costs.