Technical Specifications Breakdown
Key parameters for the 330102-24-72-10-02-05 are listed below for quick reference:
| Feature | Specification |
|---|---|
| Product Type | 3300 XL 8 mm Proximity Probe |
| Unthreaded Length | 2.4 in |
| Overall Case Length | 7.2 in |
| Total Length | 1.0 meter (3.3 feet) |
| Connector | Miniature coaxial ClickLoc connector, standard cable |
| Agency Approvals | CSA, ATEX, IECEx |
| Probe Tip Material | Polyphenylene sulfide (PPS) |
| Probe Case Material | AISI 303 or 304 stainless steel (SST) |
| Linear Range | 2 mm (80 mils), from 0.25 to 2.3 mm (10 to 90 mils) |
| Recommended Gap Setting (Radial Vibration) | -9 Vdc [approximately 1.27 mm (50 mils)] |
Industry Applications
Typical applications include:
- Turbomachinery Protection: Installed on steam and gas turbines to detect early signs of imbalance, misalignment, or bearing wear, enabling proactive maintenance.
- Compressor Monitoring: Used in centrifugal and axial compressors to ensure stable operation and avoid surge conditions.
- Pump Vibration Analysis: Applied to large industrial pumps to monitor shaft radial vibration and thrust position, preventing seal and bearing failures.

Installation & Setup Guidance
Proper installation is key to accurate readings. For the 330102-24-72-10-02-05, follow these engineer-level guidelines:
- Mounting: Ensure the probe is threaded into a compatible mounting block or bracket with the correct 3/8-24 UNF thread engagement (maximum 0.563 in).
- Gap Setting: For radial vibration, set the initial gap to -9 Vdc, corresponding to approximately 1.27 mm (50 mils) from the target surface.
- Field Wiring: Use 3-conductor shielded triad cable with tinned wiring (0.2 to 1.5 mm² / 16 to 24 AWG). Maximum cable length between the Proximitor sensor and monitor is 305 meters (1,000 feet).
Maintenance & Reliability
To ensure long-term performance, inspect the probe and cable periodically for physical damage or contamination. The probe operates reliably in temperatures from -52°C to +177°C (-62°F to +350°F). Note that exposure below -34°C (-30°F) may affect the pressure seal. The probe withstands up to 93% relative humidity with less than 3% change in Average Scale Factor (ASF).

Compatibility & Integration
This probe is designed for use with Bently Nevada 3300 XL Proximitor sensors. The 1.0-meter probe length is compatible with standard systems. For installations requiring intrinsic safety, use with approved zener barriers or galvanic isolators per drawing 141092 for Class I, Zone 0 applications.
Selection Guide & Purchasing Advice
When selecting a replacement or new probe, verify the total length, thread type, and connector match your system requirements. The 330102-24-72-10-02-05 offers a proven design with global agency approvals. For current pricing, availability, and lifecycle status, contact AutoDCSTech—your trusted source for industrial automation parts.
Troubleshooting & Common Issues
- No Signal or Erratic Readings: Check the ClickLoc connector for secure engagement and inspect the cable for cuts or kinks.
- Incorrect Gap Voltage: Verify the probe tip is clean and the target surface is within the linear range (0.25 to 2.3 mm). Re-measure the gap with a feeler gauge if needed.
- Drift Over Time: Environmental contamination or temperature extremes may cause minor drift. Ensure the probe is within its rated temperature range and clean the tip periodically.
Availability & Condition at AutoDCSTech
| Part Number | 330102-24-72-10-02-05 |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
