Overview
The Bently Nevada 330104-00-10-90-02-00, also cataloged as the 330104 3300 XL 8 mm Proximity Probe, detects conductive-target position through eddy-current sensing within a compatible 3300 XL Proximity Transducer System.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330104-00-10-90-02-00 |
| Brand | Bently Nevada |
| Series | 3300 XL 8 mm |
| Product Type | Proximity Probe |
| Origin | Not specified in the supplied data |
| Probe Type | Standard Mount / Forward Mount |
| Thread Type | M10 x 1 |
| Armor | Armored |
| Unthreaded Length | 0 mm |
| Overall Case Length | 100 mm |
| Total Probe Length | 9.0 m (29.5 ft) |
| Probe Tip Diameter | 8.0 mm (0.31 in) |
| Probe Tip Material | Molded PPS |
| Probe Case Material | Stainless steel |
| Connector | Miniature coaxial ClickLoc connector |
| Cable Type | Standard cable |
| Cable Construction | 75 ohm triaxial cable |
| Cable Insulation | FEP |
| Measurement Principle | Eddy-current, non-contact |
| Nominal Sensitivity | Approximately 200 mV/mil (7.87 V/mm), complete system |
| Nominal Linear Range | Approximately 2 mm, complete system |
| Operating Temp | -52 deg C to +177 deg C |
| Cable Bend Radius | Minimum 25.4 mm (1.0 in) |
| Weight | Approximately 2 kg shipping weight |
| Agency Approval | 00 – Not required |
Eddy-Current Scaling and Rotor Dynamics
The probe generates an eddy-current response as the sensing tip approaches or moves away from a conductive target. The compatible Proximitor Sensor converts this probe response into an electrical signal proportional to target position.
The nominal system sensitivity is approximately 200 mV/mil. Therefore, the probe does not independently establish the final measurement scaling; the probe, extension cable, and Proximitor Sensor operate as a calibrated transducer chain.
For dynamic measurements, shaft displacement produces a corresponding electrical signal variation. The resulting signal can support vibration, position, speed, and Keyphasor reference measurements when the complete system configuration matches the application.
Frequently Asked Questions
Q: Can the 330104-00-10-90-02-00 operate as a complete measurement system by itself?
A: No. The probe requires a compatible extension cable and Proximitor Sensor to form the complete 3300 XL 8 mm transducer system.
Q: What type of target does this probe measure?
A: The probe uses eddy-current sensing and therefore requires a suitable conductive target within the specified installation and calibration conditions.
Q: Does the 9.0 m length represent the probe cable length?
A: The stated 9.0 m value represents the total probe length specified for this ordering configuration.
Field Installation Guidelines
Install the probe with the specified M10 x 1 thread and maintain the mechanical clearance required by the 3300 XL 8 mm installation arrangement.
Route the armored cable away from sources of mechanical abrasion, excessive bending, and strong electrical interference. Maintain the specified minimum cable bend radius of 25.4 mm.
Connect the miniature coaxial ClickLoc interface to the compatible extension cable. Then connect the extension cable to the corresponding Proximitor Sensor.
Keep the probe, extension cable, and Proximitor Sensor as the specified transducer chain. Do not substitute components without confirming electrical compatibility and calibration requirements.
During commissioning, verify probe gap and signal behavior against the applicable 3300 XL system documentation. Check shielding and grounding practices according to the installation environment and the associated monitoring system.















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