Configured for shaft vibration and position measurement in machinery protection systems, the Bently Nevada 330194-05-13-50-05 (330194-05-13-50-05 Proximity Probes) provides direct physical and electrical execution by translating gap variations into proportional voltage signals.

Model Code and Suffix Matrix

• 330194: 3300 XL Extended Temperature Range (ETR) 8 mm probe component model
• 05: 0.5 meter integral cable length option
• 13: Miniature coaxial ClickLoc connector option
• 50: Mounting thread and armor configuration option
• 05: Multiple cable options and standard configuration
• 05: Agency approval option with hazardous area compliance

Hardware Specifications

Rotor Dynamics and Signal Validation

• Eddy-current probe scaling translates mechanical shaft clearances directly into precise electrical signals for real-time machinery monitoring.
• Proper system setup requires gap voltage validation to ensure the static operating point achieves the -10 VDC target within the linear range.
• Rotor dynamics analysis depends on the high-frequency response of the ETR probe configuration to capture transient vibration phenomena accurately.
• Cross-talk suppression properties prevent mutual signal interference when multiple probes are installed closely on complex bearing housings.

Ordering Information

• 1 x 330194-05-13-50-05 Proximity Probe
• 1 x Probe Mounting Nut
• 1 x Insulating Sleeve

Mechanical Installation Guidelines

• Thread the probe securely into the machine housing using proper thread engagement to maintain structural stability under vibration.
• Route the integral coaxial cable through dedicated metallic conduit to protect against mechanical abrasion and electrical noise.
• Maintain recommended bend radii along the coaxial cable run to prevent internal conductor damage and impedance alterations.
• Terminate the signal shield exclusively at the monitoring rack instrumentation ground to eliminate ground loops.

Technical FAQ

• What is the nominal scale factor for this proximity probe model?

  The incremental scale factor is calibrated to 7.87 V/mm across the linear measuring range.

• What operating temperature range does the ETR design support?

  The probe withstands extreme temperatures ranging from -51 deg C to +177 deg C continuously.

• How should the static gap voltage be adjusted during setup?

  The gap voltage must be set to -10 VDC using a digital multimeter connected to the Proximitor sensor output.

• Can the integral cable length be modified in the field?

  Field cutting or splicing alters electrical resonance and voids factory calibration accuracy.

• What thread specification is utilized on this probe body?

  The probe features standard industrial threading designed for secure mechanical mounting in bearing assemblies.

• Does this probe require an independent power source?

  No, it operates passively and receives excitation voltage through the connected Proximitor sensor.

• What is the linear measurement range of the 8 mm tip?

  The linear measurement range spans 2.0 mm centered along the probe response curve.

• How is signal integrity protected from external electromagnetic fields?

  An outer shielding braid and protective fluorocarbon jacket encase the high-frequency coaxial line.