Overview
Suffix Breakdown & Model Matrix
| Suffix Position | Configuration | Specification |
|---|---|---|
| Base Model | 330101 | 3300 XL 8 mm Proximity Probe, 3/8-24 UNF thread, without armor |
| Unthreaded Length Option | 00 | 0.0 in unthreaded length |
| Overall Case Length Option | 52 | 5.2 in case length |
| Total Length Option | 15 | 1.5 meter (4.9 feet) total length |
| Connector Option | 02 | Miniature coaxial ClickLoc connector, standard cable |
| Agency Approval Option | 0 | Standard installation, no additional agency approval |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330101-00-52-15-02-05 |
| Brand | Bently Nevada |
| Product Type | 3300 XL 8 mm Proximity Probe |
| Origin | USA |
| Dimensions | Probe configuration: 5.2 in case length, 1.5 meter total cable length |
| Operating Temp | -51 deg C to +177 deg C |
| Power Consumption | Not specified |
| Probe Diameter | 8 mm (0.31 in) |
| Thread Type | 3/8-24 UNF |
| Probe Case Material | AISI 304 Stainless Steel |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Connector Type | Miniature Coaxial ClickLoc connector with gold-plated brass construction |
| Target Material | AISI 4140 Steel standard calibration target |
| Linear Range | 2.0 mm (80 mils), from 0.25 mm (10 mils) to 2.3 mm (90 mils) |
| Scale Factor | 7.87 V/mm (200 mV/mil) nominal |
| Frequency Response | 0 Hz to 10 kHz (+0, -3 dB) |
| Deviation from Best Fit Straight Line | Less than +/- 0.025 mm (+/- 1 mil) at room temperature |
| Cable Tensile Strength | 330 N (75 lb) probe case to probe lead |
| Humidity Limit | 100% condensing, non-submerged with connector protector |
Eddy-Current Probe Scaling and Rotor Dynamics Monitoring
The 330101-00-52-15-02-0 applies eddy-current probe scaling to convert shaft-to-probe distance changes into proportional electrical signals. The probe generates displacement feedback for vibration measurement, axial position monitoring, and phase reference applications.
Furthermore, the 3300 XL 8 mm design supports rotor dynamics evaluation by providing continuous shaft movement data. The monitoring chain uses gap voltage validation procedures, including standard setup practices around -10 VDC gap voltage targets, to confirm correct probe positioning and signal operation.
The probe operates with a nominal scale factor of 7.87 V/mm and provides a frequency response from 0 Hz to 10 kHz. Therefore, it can capture both static shaft position changes and dynamic vibration signals within compatible machinery protection systems.
Frequently Asked Questions
Q: What type of signal does the 330101-00-52-15-02-0 generate?
A: The probe generates an electrical displacement signal based on eddy-current measurement between the probe tip and the conductive shaft target.
Q: Can the probe measure both vibration and shaft position?
A: Yes. The 3300 XL 8 mm Proximity Probe measures dynamic shaft vibration and static position parameters such as axial displacement.
Q: What installation factors affect measurement accuracy?
A: Probe gap adjustment, target surface condition, cable routing, and grounding practices affect signal accuracy and measurement stability.
Field Installation Guidelines
- Install the probe using the specified 3/8-24 UNF mounting thread and maintain correct mechanical alignment with the target shaft surface.
- Adjust the probe gap according to the 3300 XL Proximity Transducer System commissioning procedure.
- Verify the gap voltage during installation and confirm the expected -10 VDC target condition before operation.
- Route the miniature coaxial ClickLoc cable separately from high-voltage and high-current conductors.
- Connect cable shielding according to the machinery monitoring system grounding design.
- Avoid sharp cable bends and excessive mechanical stress near the probe connector.
- Confirm the installation environment meets the specified temperature and humidity limits.
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