Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330910-00-07-10-02-00 |
| Brand | Bently Nevada |
| Product Type | 3300 NSv Eddy Current Proximity Probe |
| Origin | USA |
| Weight | 0.14 kg |
| Dimensions | M10 x 1 threaded case, 70 mm case length, 1.0 m integral cable |
| Operating Temp | -52 deg C to +177 deg C |
| Power Consumption | Supplied by compatible 3300 XL NSv Proximitor Sensor |
| Measurement Principle | Eddy-current non-contact displacement sensing |
| System Scale Factor | 7.87 V/mm (200 mV/mil) with compatible Proximitor Sensor |
| Linear Range | 1.5 mm (60 mils) |
| Frequency Response | 0 to 10 kHz (+0, -3 dB typical) |
| Probe DC Resistance | 4.2 +/- 0.5 ohm |
| Probe Tip Material | Polyphenylene sulfide (PPS) |
| Probe Case Material | AISI 304 Stainless Steel |
| Cable Type | 75 ohm coaxial FEP insulated standard cable |
| Connector Type | Miniature coaxial ClickLoc connector |
| Maximum Torque Limit | 33.9 N m |
| Recommended Mounting Torque | 5.1 N m |
| Recommended Shaft Diameter | Less than 51 mm (2 in) for radial vibration measurement |
| Recommended Axial Target Size | Less than 15 mm (0.6 in) |
Eddy-Current Probe Scaling and Rotor Dynamics Monitoring
The 330910-00-07-10-02-00 uses eddy-current sensing technology to convert the gap variation between the probe tip and conductive target into an electrical displacement signal. The probe operates with the 3300 XL NSv Proximitor Sensor to provide calibrated gap measurement and dynamic vibration output.
The 3300 NSv system configuration supports rotor dynamics analysis through measurement of shaft vibration, radial displacement, and axial position. The 1.5 mm linear measurement range is optimized for applications involving small diameter shafts and restricted installation clearances.
The probe output characteristics require proper gap voltage validation during installation. System calibration is normally verified against the target operating gap, including the standard -10 VDC target gap reference used for Bently Nevada proximity transducer systems.
Frequently Asked Questions
Q: What type of signal does the 330910-00-07-10-02-00 generate?
A: The probe generates an eddy-current displacement signal that is processed by a compatible 3300 XL NSv Proximitor Sensor to provide vibration and position measurement outputs.
Q: Can this probe replace a standard 8 mm proximity probe?
A: No. The 3300 NSv probe is designed for restricted installation areas and smaller targets where standard 5 mm or 8 mm probes cannot be mechanically installed.
Q: What installation factors affect measurement accuracy?
A: Proper probe gap adjustment, target surface condition, cable routing, and electrical shielding practices affect signal stability and measurement accuracy.
Field Installation Guidelines
- Install the probe with the specified M10 x 1 threaded mounting arrangement and maintain correct mechanical alignment with the monitored target.
- Verify the probe gap voltage during commissioning using the compatible Proximitor Sensor output.
- Keep the coaxial extension cable separated from high-current power wiring to reduce electromagnetic interference.
- Maintain proper shield termination practices according to the transducer system installation requirements.
- Confirm that the target material and surface condition are compatible with eddy-current measurement principles before operation.
- Avoid mechanical impact on the PPS probe tip and stainless steel probe housing during installation.
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