Overview
Configured for non-contact displacement measurement in the Bently Nevada 3300 XL 8 mm Proximity Transducer System, the Bently Nevada 330104-00-05-50-11-00 (330104 3300 XL 8 mm Proximity Probe) provides the physical sensing element for eddy-current measurement of shaft position and vibration.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330104-00-05-50-11-00 |
| Brand | Bently Nevada (Baker Hughes) |
| Product Series | 3300 XL 8 mm Proximity Transducer System |
| Product Type | 3300 XL 8 mm Proximity Probe |
| Dimensions | 50 mm total case length; 8 mm probe diameter |
| Probe Diameter | 8 mm (0.315 in) |
| Thread Size | M10 x 1 metric fine thread |
| Unthreaded Portion | 0 mm |
| Total System Length | 5.0 m, including probe cable and matching extension cable |
| Connector | Miniature coaxial ClickLoc connector |
| Cable Construction | FluidLoc cable |
| Case Material | AISI 304 stainless steel |
| Probe Tip Material | Polyphenylene sulfide (PPS) |
| Linear Range | 2.0 mm (80 mils) |
| Typical Voltage Range | 0.25 mm to 2.3 mm corresponding to approximately -1 VDC to -17 VDC |
| Incremental Scale Factor | 7.87 V/mm (200 mV/mil), +/-5% |
| Frequency Response | 0 Hz to 10 kHz |
| Probe Tip Operating Temperature | -51 deg C to +177 deg C (-60 deg F to +350 deg F) |
Eddy-Current Measurement Characteristics
The 330104-00-05-50-11-00 uses the 3300 XL 8 mm eddy-current sensing principle to detect changes in the distance between the probe tip and a conductive rotating target. The probe itself forms part of the measurement loop and requires the corresponding Proximitor sensor and extension cable for system operation.
The specified 2.0 mm linear range supports measurement of dynamic shaft motion and static shaft position within the calibrated operating range. In addition, the 7.87 V/mm nominal incremental scale factor defines the voltage change associated with target displacement.
The probe has a 0 Hz to 10 kHz frequency response. Therefore, the connected measurement system can process both static position information and dynamic vibration signals within the applicable system bandwidth.
The supplied configuration uses an M10 x 1 metric fine thread and has no unthreaded section. Its 50 mm case length defines the mechanical probe body configuration.
Frequently Asked Questions
Q: What mechanical thread does the 330104-00-05-50-11-00 use?
A: The supplied specification identifies an M10 x 1 metric fine thread with a 0 mm unthreaded portion.
Q: What is the total system cable length for this configuration?
A: The -11 configuration specifies a 5.0 m total system length, including the probe cable and matching extension cable.
Q: What signal range does the probe support?
A: The specified linear range is 2.0 mm (80 mils), with a typical voltage range from approximately -1 VDC to -17 VDC over the stated displacement range.
Field Installation Guidelines
Install the probe so that its sensing axis remains aligned with the intended conductive target surface. Maintain the mechanical clearance required by the applicable 3300 XL installation documentation.
Use the specified M10 x 1 thread for mechanical mounting. Do not apply mechanical force to the probe cable or connector during installation.
Route the probe cable separately from high-current power conductors and strong electromagnetic noise sources where practical. Avoid sharp bends, excessive tension, and repeated mechanical movement at the cable-to-probe transition.
Connect the miniature coaxial ClickLoc connector securely to the compatible extension cable or Proximitor sensor. Keep connector interfaces clean and dry during installation.
For shielded signal wiring, terminate the shield according to the system grounding arrangement specified for the associated Bently Nevada monitoring hardware. Avoid creating unintended ground loops.
After installation, verify the probe gap voltage and signal response with the complete transducer circuit connected. For rotor-dynamics measurements, confirm that the probe position and mechanical orientation correspond to the intended vibration or shaft-position measurement axis.
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