Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330101-00-67-10-12-CN |
| Brand | Bently Nevada |
| Product Type | 3300 XL 8 mm Eddy Current Proximity Probe |
| Origin | USA |
| Weight | Not specified |
| Dimensions | 8 mm probe tip diameter; 6.7 in overall case length; 1.0 m cable length |
| Operating Temp | -51 deg C to +177 deg C |
| Power Consumption | Supplied through Proximitor Sensor; input voltage range -17.5 VDC to -26 VDC |
| Measurement Principle | Eddy-current non-contact displacement measurement |
| Thread Type | 3/8-24 UNF |
| Unthreaded Length | 0.0 in |
| Linear Range | 2 mm (80 mils), approximately 0.25 mm to 2.25 mm target distance |
| Scale Factor | 7.87 V/mm (200 mV/mil) nominal |
| Target Material | AISI 4140 steel calibration target |
| Output Impedance | 50 ohm |
| Connector Type | Gold-plated Miniature Coaxial ClickLoc male connector |
| Cable Type | FluidLoc cable with internal fluid leakage barrier |
| Mounting Torque | Maximum 12 N m |
| Pressure Seal | Tip seal rated up to 0.35 MPa differential pressure |
| Agency Approval | China Regional Approvals (CCC/CQC Ex certifications) |
Eddy Current Probe Scaling and Rotor Dynamics Monitoring
The 330101-00-67-10-12-CN uses eddy-current probe scaling to convert shaft position changes into proportional electrical output signals. The probe works with a compatible Proximitor Sensor to provide displacement data for vibration and axial position monitoring.
Furthermore, the 3300 XL system applies calibrated gap voltage measurement to maintain signal accuracy. The standard installation process uses gap voltage validation, including -10 VDC target settings, to verify the probe operating point between the probe tip and rotating shaft surface.
The probe output supports rotor dynamics analysis by providing continuous shaft movement data. Therefore, engineers can evaluate shaft vibration behavior, radial displacement, and axial movement within turbine and rotating equipment monitoring systems.
Frequently Asked Questions
Q: Does the 330101-00-67-10-12-CN require direct electrical power connection at the probe?
A: No. The probe connects to a compatible Proximitor Sensor, which supplies excitation voltage and processes the eddy-current measurement signal.
Q: What cable feature does the FluidLoc cable provide?
A: The FluidLoc cable design includes an internal barrier that limits oil and fluid migration through the cable structure.
Q: What target material is used for standard calibration?
A: The standard calibration target material is AISI 4140 steel. Different shaft materials may require system-specific calibration verification.
Field Installation Guidelines
- Install the probe with the specified 3/8-24 UNF mounting thread and maintain proper mechanical alignment with the shaft target surface.
- Verify the probe gap voltage through the Proximitor Sensor before commissioning the monitoring channel.
- Route the miniature coaxial cable away from high-current power conductors to reduce electromagnetic interference.
- Maintain proper cable shielding practices and connect the shield according to the monitoring system grounding requirements.
- Confirm the FluidLoc cable condition before installation to prevent contamination or fluid ingress.
- Avoid excessive mechanical stress on the ClickLoc connector during cable routing and maintenance activities.
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