Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330171-12-41-10-02-05 |
| Brand | Bently Nevada |
| Product Type | 3300 5mm Proximity Probe |
| Origin | USA |
| Weight | 0.16 kg |
| Dimensions | 18 x 18 x 1.5 cm (shipping size) |
| Operating Temp | Wide temperature range operation |
| Power Consumption | Supplied through connected 3300 XL Proximitor Sensor system |
| Thread Type | 1/4-28 UNF thread |
| Probe Diameter | 5 mm |
| Unthreaded Length | 1.2 in |
| Overall Case Length | 4.1 in |
| Total Length | 1.0 metre (3.3 feet) |
| Cable Type | Miniature coaxial ClickLoc connector standard cable |
| Armor Type | Without armor |
| Agency Approval | Multiple approvals |
| Measurement Function | Static position and dynamic vibration measurement |
| System Compatibility | 3300 XL Proximitor Sensor and XL extension cable |
Eddy-Current Measurement and TSI Signal Characteristics
The 330171-12-41-10-02-05 probe uses an eddy-current sensing principle to convert the distance between the probe tip and the conductive target into an electrical output signal. Moreover, when combined with a 3300 XL Proximitor Sensor and XL extension cable, the complete system generates an output voltage proportional to shaft displacement.
The probe supports rotor dynamics monitoring by measuring shaft vibration, axial position, and radial displacement on fluid-film bearing machines. In addition, the system configuration supports Keyphasor measurement and speed-related applications.
The patented TipLoc Molding Method provides a mechanically integrated probe tip structure. Therefore, the probe maintains consistent electrical characteristics across interchangeable probe, extension cable, and Proximitor Sensor combinations without individual component matching or bench calibration.
The 3300 system design maintains measurement stability across a wide temperature range. Furthermore, the eddy-current probe scaling characteristics allow accurate conversion between physical gap distance and electrical output response.
Frequently Asked Questions
Q: Can the 330171-12-41-10-02-05 probe operate independently without a Proximitor Sensor?
A: No. The probe requires connection to a compatible 3300 XL Proximitor Sensor and extension cable to generate the proportional displacement output signal.
Q: What measurement signals does this proximity probe support?
A: The probe supports both static position measurement and dynamic vibration measurement by detecting the distance between the probe tip and conductive rotating components.
Q: Does the probe require individual calibration after replacement?
A: No. The 3300 XL Proximity Transducer System provides complete interchangeability between compatible probes, extension cables, and Proximitor Sensors.
Field Installation Guidelines
- Install the probe with the specified 1/4-28 UNF thread engagement and maintain proper mechanical alignment with the monitored shaft surface.
- Route the miniature coaxial ClickLoc cable away from high-current power conductors to reduce electrical interference.
- Connect cable shielding according to the system grounding practice defined for the 3300 monitoring rack installation.
- Verify the probe gap condition and electrical output before commissioning the vibration or position monitoring channel.
- Maintain a clean conductive target surface because contamination or mechanical damage can affect eddy-current measurement accuracy.
- Confirm compatibility between the probe, extension cable, and Proximitor Sensor before system startup.
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