Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330905-00-20-10-02-00 |
| Brand | Bently Nevada |
| Origin | USA |
| Weight | 0.2kg |
| Dimensions | M10 x 1 thread; 200 mm overall case length; 1.0 m total cable length |
| Operating Temp | -51 deg C to +177 deg C |
| Power Consumption | Supplied through 3300 XL NSv Proximity Transducer System |
| Product Series | 3300 XL NSv Proximity Transducer System |
| Probe Type | Eddy Current Proximity Probe |
| Thread Type | M10 x 1 metric thread |
| Unthreaded Length | 0 mm |
| Probe Tip Material | Polyphenylene sulfide (PPS) |
| Probe Body Material | 303 stainless steel |
| Connector Type | Miniature coaxial ClickLoc connector |
| Linear Range | 1.5 mm (60 mils) |
| System Sensitivity | 7.87 V/mm (200 mV/mil) nominal |
| Target Material | AISI 4140 steel |
| Frequency Response | 0 Hz to 10 kHz (-3 dB) |
| Cable Configuration | Standard cable with miniature coaxial ClickLoc connector |
Eddy-Current Measurement and Rotor Dynamics Characteristics
The 330905-00-20-10-02-00 uses eddy-current probe scaling to convert shaft displacement into proportional electrical output signals. Therefore, the probe provides a calibrated relationship between probe gap distance and vibration measurement voltage for dynamic rotor monitoring.
The probe supports gap voltage validation during system setup. Engineers typically verify probe operating conditions against the 3300 XL NSv transducer system calibration range, including standard -10 VDC gap voltage targets for correct mechanical positioning.
In addition, the narrow side view probe design supports rotor dynamics analysis in restricted mounting locations. The miniature sensing tip allows measurement access where conventional radial-view proximity probes cannot achieve proper target alignment.
The ClickLoc connector structure reduces accidental cable separation during operation. Furthermore, the coaxial signal path maintains measurement signal integrity by controlling electrical interference and reducing potential cross-talk effects in high-density machinery monitoring installations.
Frequently Asked Questions
Q: What measurement signals can the Bently Nevada 330905-00-20-10-02-00 provide?
A: The probe provides displacement signals for radial vibration, axial position, and Keyphasor speed measurement when connected to a compatible 3300 XL NSv Proximity Transducer System.
Q: Can the probe operate without a compatible transducer system?
A: No. The probe requires the matching 3300 XL NSv driver module and extension cable configuration to generate calibrated displacement output signals.
Q: What installation factor affects measurement accuracy most?
A: Mechanical gap adjustment between the probe tip and target surface directly affects signal calibration. Proper mounting alignment and gap voltage verification are required before operation.
Field Installation Guidelines
- Install the probe using the specified M10 x 1 threaded mounting interface and maintain correct mechanical alignment with the monitored shaft surface.
- Adjust the probe gap according to the compatible 3300 XL NSv system setup procedure and verify the electrical gap voltage before commissioning.
- Route the coaxial cable away from high-current power conductors and sources of electromagnetic interference.
- Maintain proper connector engagement when installing the miniature coaxial ClickLoc connector to prevent signal interruption.
- Connect cable shielding according to the machinery monitoring system grounding requirements.
- Inspect the probe tip and target surface condition before installation because surface damage can affect eddy-current measurement accuracy.
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