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Bently Nevada 330103-03-09-10-02-00 3300 XL 8 mm Proximity Probe
Bently Nevada 330103-03-09-10-02-00 8 mm Proximity Probe. Brand New, Original Stock with Global Shipping. Engineered for accurate vibration monitoring.
Description
Configured for non-contacting shaft displacement and vibration measurements in machinery monitoring racks, the Bently Nevada 330103-03-09-10-02-00 (330103 Proximity Probe) provides direct physical/electrical execution. This hardware element acts as the sensing tip of an eddy-current system, generating a high-frequency electromagnetic field that detects variations in the gap between the probe tip and the target machine shaft. The associated Proximitor sensor converts these physical gap changes into a proportional analog DC/AC voltage output.
Suffix Breakdown & Model Matrix
| Suffix Code | Parameter Designation | Configured Attribute |
|---|---|---|
| -03 | Unthreaded Length | 0.3 inches (7.62 mm) |
| -09 | Overall Case Length | 0.9 inches (22.86 mm) |
| -10 | Total Length | 1.0 meter (3.3 feet) |
| -02 | Connector Option | Miniature coaxial Click-Loc connector with connector protector |
| -00 | Agency Approval | Standard multi-agency approvals (ATEX, IECEx, CSA) |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 330103-03-09-10-02-00 |
| Brand | Bently Nevada |
| Origin | United States |
| Weight | 0.15 kg |
| Dimensions | 3/8-24 UNF thread, 8 mm tip diameter, 1.0 m length |
| Operating Temp | -51 deg C to +177 deg C for probe body and cable |
| Power Consumption | Passive sensor driven by external Proximitor sensor |
| Linear Range | 2.0 mm (80 mils), starting at 0.25 mm (10 mils) from probe face |
| Scale Factor | 7.87 V/mm (200 mV/mil) when matched with 3300 XL Proximitor |
| Case Thread | 3/8-24 UNF-2A standard thread |
| Tensile Strength | 270 N (60 lbf) maximum probe-to-cable pull strength |
Eddy-Current Probe Scaling and Rotor Dynamics
The 330103-03-09-10-02-00 functions within strict electrical limits to ensure precise eddy-current probe scaling for tracking dynamic rotor dynamics. During standard field setup, technicians perform gap voltage validation to confirm a target operating point of -10 VDC, which positions the probe in the center of its 2.0 mm linear range. Because surface imperfections on the shaft can skew vibration profiles, engineers must perform runout subtraction to eliminate false signals caused by mechanical or magnetic non-uniformity. Furthermore, maintaining proper physical clearance between adjacent probes ensures cross-talk suppression, preventing electromagnetic field overlaps from degrading the scale factor.
Frequently Asked Questions
Q: What is the mechanical function of the -02 connector protector option on this probe?
A: The connector protector physically seals the miniature coaxial link, preventing oil, moisture, and particulate ingress from contaminating the connection and causing signal degradation or scale factor drift.
Q: Can this 1.0-meter probe cable be connected directly to a monitoring rack terminal block?
A: No, this probe requires a matching extension cable and a 3300 XL Proximitor sensor to complete either a 5.0-meter or 9.0-meter tuned RF loop before terminating at the monitor.
Field Installation Guidelines
- Thread Engagement: Ensure a minimum thread engagement of 5 full turns into the mounting bracket or machine housing before tightening the primary locknut.
- Locknut Torque Specification: Tighten the 3/8-24 thread locknut to a maximum torque value of 4.5 N-m (40 in-lb) to prevent stripping or case deformation.
- Cable Bend Radius: Maintain a strict minimum bend radius of 25.4 mm (1.0 inch) along the extension cable to avoid crushing the internal coaxial shield.
- Isolation from Ground: Verify that the coaxial connection remains completely isolated from the machine ground to suppress electrical noise and ground loop interference.
Additional information
| Weight | 0.6 kg |
|---|---|
| Dimensions | 40 × 16 × 12 mm |
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