Bently Nevada 330103-00-09-10-02-00 Proximity Probe

The 330103-00-09-10-02-00 forms part of the Bently Nevada 3300 XL 8 mm proximity probe family. Plant operators trust this sensor for precise radial vibration and axial displacement measurement. As a result, it supports continuous protection across steam turbines, centrifugal compressors, and large motors.

Technical Specifications

Parameter	Specification
Probe Tip Diameter	8 mm
Thread Type	3/8-24 UNF
Case Length	90 mm
Unthreaded Length	0 mm
Cable Length	1.0 metre
Connector Type	Miniature coaxial (ClickLoc)
Weight	Approximately 120 g
Operating Temperature	-35 °C to +177 °C
Linear Range	2.0 mm (80 mils)
Recommended Gap	1.27 mm (50 mils)
Frequency Response	0 to 10 kHz
Output Sensitivity	7.87 mV/µm (200 mV/mil)

How Eddy Current Sensing Works

This probe relies on eddy current technology to detect shaft movement. The tip radiates a high-frequency magnetic field toward the target surface. Shaft displacement then alters field impedance, and the transducer delivers a proportional voltage output. Meanwhile, the coaxial cable maintains signal fidelity over long routing distances.

Interface and System Compatibility

The 330103-00-09-10-02-00 mates with 3300 XL extension cables and Proximitor sensors. A miniature coaxial connector guarantees secure, low-noise signal transfer. Furthermore, the 3/8-24 UNF thread enables direct mounting into bearing housings or brackets.

Material and Environmental Factors

Target material choice strongly influences measurement accuracy. A-ISI 4140 steel serves as the standard calibration reference. Therefore, other alloys may demand a correction factor. The stainless steel housing resists oil, moisture, and electromagnetic interference. Additionally, the sealed design performs reliably in demanding industrial settings.