Bently Nevada 330103-08-13-10-02-05 3300 XL 8 mm Proximity Probe

The Bently Nevada 330103-08-13-10-02-05, also cataloged as the 330103 Proximity Probe, operates as a dedicated hardware component for static position and dynamic vibration measurements within machinery protection systems. It functions as the primary sensing element to capture physical displacement data from fluid-film bearing surfaces, keyways, or speed targets.

Suffix Breakdown & Model Matrix

Hardware Specifications

Eddy-Current Probe Scaling & Signal Validation

The probe uses eddy-current technology to generate an output voltage proportional to the gap between the 8 mm tip and an observed conductive target. Accurate probe scaling complies with API 670 standards for linear range and mechanical configuration.

During field installation, gap voltage validation targets a nominal -10 VDC baseline at the monitoring rack to position the probe within its linear zone. This calibration prevents signal distortion during rapid changes in rotor dynamics. The mechanical design enforces cross-talk suppression when installed alongside adjacent probes, permitting component interchangeability with non-XL 3300 series 5 mm and 8 mm elements without bench recalibration.

Frequently Asked Questions

Q: Does this probe require matching to a specific Proximitor sensor or extension cable?

A: No. The 3300 XL 8 mm system design supports component interchangeability, allowing the probe to connect to any standard 3300 XL extension cable and Proximitor sensor without individual bench calibration.

Q: What action should be taken if the physical mounting space is too restrictive for an 8 mm probe tip?

A: The system architecture allows backwards compatibility, permitting a non-XL 3300 series 5 mm probe to be utilized in place of the 8 mm variant if the mechanical mounting envelope is constrained.

Field Installation Guidelines

• Thread Engagement and Locknut Torque: Thread the probe case into the bracket to establish the baseline gap. Secure the locknut to prevent the assembly from backing out under operational machine vibration.

• ClickLoc Connector Care: Ensure the miniature coaxial ClickLoc connectors are clean and dry before mating. Do not use tools to over-tighten the coaxial connection; apply hand-tight pressure only.

• Conduit Routing: Route the 1.0 meter standard cable through protective conduit to shield the coaxial insulation from physical abrasion and exposure to fluids.