The Bently Nevada 330103-00-04-05-02-00 serves as the primary 330103 Proximity Probe utilized to execute vibration and displacement monitoring across 3300 XL Transducer System platforms. This passive inductive sensor monitors the physical gap variations between its unarmored 8 mm probe tip and a moving conductive metal surface, generating high-frequency radio frequency modulation loops to output accurate electrical signals without mechanical contact.
| Parameter | Specification |
|---|---|
| Model | 330103-00-04-05-02-00 |
| Brand | Bently Nevada |
| Origin | USA |
| Weight | Approx. 0.35 kg (2.0 kg shipping weight specification) |
| Dimensions | 8 mm probe tip diameter, 40 mm case length, M10 x 1 metric thread |
| Operating Temp | -51 deg C to +177 deg C |
| Power Consumption | Passive sensor driven via external Proximitor loop supply |
| Thread Profile | M10 x 1 metric |
| Cable Interface | Unarmored standard coaxial construction |
| Connector Type | ClickLoc miniature coaxial interface |
The probe requires matching impedance variables to a designated target material to maintain proper eddy-current probe scaling limits across the linear measurement zone. During field commissioning, technical personnel must complete a gap voltage validation protocol, adjusting the depth of the M10 x 1 housing until the static output potential registers a targeted -10 VDC at the geometric center of the transducer operating range. This exact spacing ensures accurate sensor response during dynamic tracking of fast rotor dynamics and structural shifts. Cross-talk suppression is achieved through integrated internal coaxial shield layers, isolating adjacent sensor leads routed within shared mechanical passages.
Q: What condition dictates the minimum bend radius of the 0.5 metre unarmored cable?
A: The standard unarmored coaxial cable requires a minimum physical bend radius of 25.4 mm (1.0 inch). Bending the assembly past this point deforms the internal dielectric layer, causing permanent changes to loop inductance.
Q: Can this metric probe be interconnected with an extension cable intended for an imperial 3/8-24 UNF probe?
A: Yes. The miniature coaxial ClickLoc electrical connectors are completely standardized across all 3300 XL 8 mm platforms, though the physical installation threads on the probe bodies are incompatible.
Q: How does fluid exposure on the probe tip modify the output signal?
A: The polyphenylene sulfide (PPS) tip is non-conductive. Standard non-conductive lubricating oils do not alter the high-frequency eddy-current path; however, conductive fluid ingress at the coaxial junction will cause immediate calibration failure.
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