Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330104-00-25-50-02-00 |
| Brand | Bently Nevada |
| Origin | USA |
| Dimensions | 8.0 mm probe tip diameter; M10 x 1 thread; 250 mm case length; 5.0 m total length |
| Operating Temp | Probe tip and cable: -52 deg C to +177 deg C |
| Power Consumption | Passive probe element; powered by matching 3300 XL Proximitor Sensor |
| Product Series | 3300 XL 8 mm Proximity Transducer System |
| Measurement Type | Non-contact shaft displacement and vibration measurement |
| Linear Range | 2.0 mm (80 mils) |
| Incremental Scale Factor | 7.87 V/mm (200 mV/mil) +/-10% |
| Frequency Response | 0 to 10 kHz, +0, -3 dB |
| Thread Specification | M10 x 1 metric thread |
| Connector Type | Miniature coaxial ClickLoc connector |
| Probe Case Material | AISI 303 or 304 stainless steel |
| Probe Tip Material | Polyphenylene sulfide (PPS) |
| Target Material | AISI 4140 steel |
| Minimum Target Diameter | 15.2 mm |
| Maximum Case Torque | 33.9 N m |
| Recommended Installation Torque | 11.2 N m |
| Minimum Cable Bend Radius | 25.4 mm |
Eddy-Current Measurement and Rotor Dynamics Interface
The 330104-00-25-50-02-00 uses an eddy-current probe scaling method to convert shaft position changes into electrical displacement signals. When paired with a compatible 3300 XL Proximitor Sensor, the probe provides a calibrated output response based on the target material and probe gap condition.
Furthermore, the system supports rotor dynamics analysis by measuring shaft relative motion in fluid-film bearing applications. The probe maintains signal stability through the operating clearance range, allowing monitoring of radial displacement, vibration amplitude, and shaft position changes.
The probe system uses gap voltage validation with standard -10 VDC target settings to verify the operating point between the probe tip and rotating shaft surface. Therefore, correct mechanical installation and gap adjustment directly influence measurement accuracy.
The ClickLoc coaxial connector reduces connection movement under mechanical vibration conditions. In addition, the TipLoc molding structure maintains the mechanical connection between the probe tip assembly and stainless steel body during continuous machine operation.
Frequently Asked Questions
Q: Can the 330104-00-25-50-02-00 operate as a standalone vibration sensor?
A: No. The probe requires a compatible 3300 XL Proximitor Sensor to provide excitation, signal conditioning, and output conversion.
Q: What target material is required for the specified scale factor?
A: The specified 7.87 V/mm (200 mV/mil) scale factor applies when the probe operates with an AISI 4140 steel target.
Q: Does the probe require recalibration when replacing an equivalent 3300 XL probe?
A: A replacement with the same mechanical and electrical configuration can maintain system compatibility. Installation must still verify probe gap voltage and signal output.
Field Installation Guidelines
- Install the M10 x 1 threaded probe body according to the machine mounting drawing and maintain correct shaft clearance.
- Verify probe gap voltage before commissioning to confirm the operating point near the standard -10 VDC target condition.
- Use shielded coaxial cable routing practices and separate the probe signal cable from high-current power conductors.
- Protect the ClickLoc connector from mechanical loading, contamination, and excessive bending forces.
- Confirm the shaft target material matches the configured calibration material to maintain measurement accuracy.
- Inspect the probe tip surface and mounting thread condition before installation.
- Apply installation torque according to the equipment specification and avoid exceeding the maximum case torque limit.
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