The Bently Nevada 330105-02-12-10-02-00, also cataloged as the 330105 Proximity Transducers, operates as a dedicated hardware component for physical displacement measuring within the 3300 XL Proximity Transducer System.
330105: 3300 XL 8 mm Reverse Mount Probe Base Model
-02: Unthreaded Length Option (2.0 in)
-12: Overall Case Length Option (1.2 in)
-10: Total Length Option (1.0 meter / 3.3 feet)
-02: Miniature ClickLoc coaxial connector
-00: Agency Approval Option (Not required)
| Parameter | Specification |
| Model | 330105-02-12-10-02-00 |
| Brand | Bently Nevada |
| Origin | USA |
| Weight | 0.323 kg |
| Dimensions | Standard 3/8-24 or M10 reverse mount threaded body assembly |
| Operating Temp | -51 deg C to +177 deg C |
| Power Consumption | Passive sensor configuration (driven by Proximitor loop) |
| Probe Tip Material | Polyphenylene sulfide (PPS) |
| Probe Case Material | AISI 303 or 304 stainless steel (SST) |
| Connector Type | Miniature ClickLoc coaxial connector |
| Total Length | 1.0 meter (3.3 feet) |
The 330105 reverse mount assembly requires precise eddy-current probe scaling to correctly correlate magnetic flux variations with physical shaft displacement. During static commissioning, field technicians execute gap voltage validation against a -10 VDC target, setting the physical probe position at the absolute midpoint of its 80 mil linear range. To maintain transmission path performance across the 1.0 meter integral lead, the gold-plated miniature ClickLoc coaxial connection relies on robust mechanical seating for signal cross-talk suppression and continuous ground shielding termination, mitigating electromagnetic interference induced by localized high-frequency rotor dynamics.
Q: What is the specific role of the polyphenylene sulfide (PPS) tip material?
A: The PPS tip encapsulates the internal eddy-current coil, providing chemical resistance against hot industrial lubricants and mechanical sealing under ambient process pressures.
Q: Can this 1.0 meter probe be connected directly to a monitor without an extension cable?
A: No. The total electrical length of the circuit must match either 5.0 meters or 9.0 meters. A dedicated 3300 XL extension cable must be added to satisfy the specific input impedance matching of the Proximitor.
Q: How does the ClickLoc connector maintain electrical continuity under high vibration?
A: The miniature ClickLoc connector uses a positive mechanical latch with gold-plated contact pins to achieve cross-talk suppression and eliminate terminal resistance shifts caused by continuous shaft vibration.
Ensure the machine is completely shut down and zero-energy states are verified. Inspect the observed shaft target area to ensure it is free from surface non-homogeneities, scoring, or magnetic runout.
Insert the reverse mount probe body into the specialized mounting sleeve adapter, ensuring the PPS tip does not strike internal metallic edges during positioning.
Apply loop power to the external Proximitor and measure the live DC voltage output with a digital multimeter. Thread the probe casing until the gap voltage validation matches -10.0 VDC.
Tighten the locknut to standard structural specifications to lock the probe assembly against mechanical dislocation from continuous machine train resonance.
Snap the miniature ClickLoc coaxial terminal into the extension cable mating sleeve. Apply self-fusing oil-proof tape over the connector junction to prevent moisture ingress or conductive debris shorting.
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