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Description
Bently Nevada 330100-50-01 Proximity Probe
TheBently Nevada 330100-50-01also cataloged asthe330100-50-01 Proximity Probe serves astheprimary330100-50-01 Proximity Probeutilized to execute non-contact shaft displacement and vibration gap measurement across Bently Nevada 3300 XL eddy-current transducer platforms.
Configured for non-contact displacement sensing in eddy-current measurement chains, the Bently Nevada 330100-50-01 (330100-50-01 Proximity Probe) provides direct physical/electrical execution via induced field interaction between probe tip and conductive rotor surfaces within the 3300 XL monitoring system.
Suffix Breakdown & Model Matrix
330100: 8 mm 3300 XL proximity probe platform
-50: 5.0 inch probe body length (unthreaded section)
-01: 1.0 inch case / connector configuration variant
No additional factory configuration data beyond ordering code is provided.
Hardware Specifications
Parameter
Specification
ModelBrand
Bently Nevada 330100-50-01
Origin
Not specified
Weight
0.50 lbs
Dimensions
Not specified (8 mm probe diameter, 3/8-24 UNF thread interface)
OperatingTemp
-51 degC to +177 degC
PowerConsumption
Passive (eddy-current probe, no direct supply)
Probe Type
8 mm Eddy Current Proximity Probe
Linear Range
2.0 mm (approx.)
Calibration Target
AISI 4140 steel
Output Interface
Requires 3300 XL Proximitor system
Eddy Current Scaling and Rotor Dynamic Behavior (Bently Nevada TSI Domain)
The 330100-50-01 operates under eddy-current transduction principles where coil impedance variation is converted into proportional gap voltage within the 3300 XL Proximitor system. Signal linearity is maintained through factory scaling against conductive rotor targets, typically normalized to AISI 4140 steel reference surfaces.
Gap voltage validation is referenced against negative DC bias operating regions (commonly around -10 VDC conditioning domain in system-level proximitor architecture), ensuring stable conversion across the linear measurement zone. Rotor dynamic interpretation relies on phase-coherent sampling of vibration vectors derived from shaft radial displacement.
Cross-talk suppression is achieved through coaxial shielding geometry and controlled excitation frequency isolation within the probe-extension-proximitor chain, minimizing electromagnetic coupling between adjacent channels in multi-probe installations.
Frequently Asked Questions
Q: Can the 330100-50-01 operate without a 3300 XL Proximitor? A: No. The probe is a passive sensing element and requires a matched 3300 XL Proximitor for signal excitation and linear conversion.
Q: Is the probe electrically isolated from the machinery ground? A: The sensing tip is electrically isolated; however, system grounding depends on installation of the extension cable shield and proximitor grounding scheme.
Q: What happens if cable length is mismatched in the system chain? A: Incorrect total system length alters calibration scaling factor and introduces measurement gain error across the full displacement range.
Field Installation Guidelines
Maintain minimum bend radius of 25.4 mm for coaxial cable routing
Ensure probe tip alignment perpendicular to shaft surface for linear response stability
Verify 3/8-24 UNF thread engagement with controlled torque to avoid housing stress
Route coaxial cable away from high-voltage switching conductors to reduce induced noise
Maintain shield continuity from probe body through extension cable to proximitor ground reference
Confirm probe-to-target gap within linear operating region before system commissioning
