330709-000-050-10-02-00 | Bently Nevada | 3300 XL 11 mm Proximity Probes
Bently Nevada 330709-000-050-10-02-00 3300 XL 11 mm Proximity Probes
Configured for non-contact shaft displacement and gap measurement in Bently Nevada machinery monitoring systems, the Bently Nevada 330709-000-050-10-02-00 (330709 3300 XL 11 mm Proximity Probe) provides direct electrical sensing of conductive target movement. The probe operates as part of a matched eddy-current transducer system used to generate position and vibration signals for rotor condition monitoring.
Suffix Breakdown & Model Matrix
-
Unthreaded Length Option: 000 = 0 mm
-
Overall Case Length Option: 050 = 50 mm
-
Total Length Option: 10 = 1.0 m (3.3 ft)
-
Connector and Cable Type Option: 02 = Miniature coaxial ClickLoc connector, standard cable
-
Agency Approval Option: 00 = Not required
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330709-000-050-10-02-00 |
| Brand | Bently Nevada |
| Product Type | 3300 XL 11 mm Proximity Probes |
| Origin | U.S.A. |
| Measurement Principle | Eddy-current sensing |
| Unthreaded Length | 0 mm |
| Case Length | 50 mm |
| Total Length | 1.0 m |
| Connector Type | Miniature coaxial ClickLoc connector |
| Cable Type | Standard cable |
| Weight | 2 kg |
| Measured Variables | Shaft displacement, gap position, relative vibration |
| Power Consumption | Determined by associated proximitor sensor system |
| Installation Method | Probe mounting assembly |
Gap Voltage Validation and Rotor Dynamics Monitoring
The 3300 XL 11 mm probe is designed for operation with compatible extension cables and proximitor sensors as a calibrated transducer assembly. The sensing element produces an electrical response proportional to the distance between the probe tip and a conductive target surface.
During system commissioning, gap voltage verification is commonly performed to confirm correct probe positioning relative to the monitored shaft. In rotating equipment applications, proper gap adjustment supports accurate acquisition of shaft displacement and vibration signals.
The non-contact eddy-current measurement principle enables observation of rotor dynamic behavior without mechanical loading of the shaft surface. This measurement method is commonly applied to radial vibration, shaft position, and mechanical clearance monitoring functions.
Frequently Asked Questions
Q: Can this probe operate as a standalone device without a proximitor sensor?
A: No. The probe is intended to function as part of a complete proximity transducer system that includes a compatible extension cable and proximitor sensor.
Q: Does the probe require physical contact with the target surface during measurement?
A: No. Measurement is performed using a non-contact eddy-current field generated at the probe tip.
Q: Are special cable routing practices recommended during installation?
A: Yes. Probe cables should be routed separately from high-voltage conductors and variable-frequency drive wiring to minimize electromagnetic interference.
Field Installation Guidelines
-
Verify the complete model number before installation to ensure the correct probe length and connector configuration.
-
Inspect the probe tip, cable jacket, and connector assembly for mechanical damage before mounting.
-
Maintain separation between transducer cables and power cabling wherever possible.
-
Avoid excessive bending, twisting, or tension loading of the coaxial cable assembly.
-
Ensure all probe mounting hardware is securely tightened according to site engineering procedures.
-
Connect cable shielding in accordance with plant instrumentation grounding standards.
-
Perform gap voltage validation and channel functional checks before returning equipment to service.
330709-000-050-10-02-00 | Bently Nevada | 3300 XL 11 mm Proximity Probes
