The Bently Nevada 330104-00-04-05-02-00 serves as the primary 330104 Proximity Probes utilized to execute non-contacting static and dynamic shaft displacement measurements across 3300 XL Turbomachinery Instrumentation System platforms. The hardware measures high-frequency eddy-current field variations generated by the tip assembly interacting with a rotating conductive target to provide raw radial vibration, shaft position, or speed data.

Suffix Options & Structural Breakdown

• 00 (Unthreaded Length Suffix): 0.0 mm

• 04 (Overall Case Length Suffix): 40 mm

• 05 (Total Length Suffix): 0.5 meter (1.6 feet)

• 02 (Connector Style Suffix): Miniature coaxial click-lock connector, standard cable type

• 00 (Agency Approval Suffix): No approvals required

Mechanical and Electrical Parameters

Eddy-Current Probe Scaling and Rotor Dynamics Tracking

The 8 mm metric sensing tip relies on strict compliance with factory-calibrated eddy-current probe scaling constraints to output a linear voltage slope of 7.87 V/mm. Mechanical positioning via the M10 x 1 threaded casing defines the static air gap, matching the gap voltage validation target of -10 VDC at the linear center point of the transducer system loop. This physical-to-electrical alignment enables continuous parsing of microscopic high-frequency rotor dynamics. Internal impedance optimization across the coaxial path preserves signal integrity and ensures cross-talk suppression when dual probes are configured in orthogonal X-Y arrangements on a single machinery bearing housing.

Ordering Info

• Transducer Unit Pack: Includes the 330104 8 mm probe assembly with integrated 0.5-meter standard cable.

• Insulation Kit: Includes standard fluorocarbon heat-shrink sleeve tubes for external coaxial joint isolation.

• System Requirements: Associated 3300 XL Proximitor drivers, extension lines, and installation brackets are omitted from this package and must be obtained separately.

Procurement Logistics Info

• Dispatch Window: Consignments are processed for transfer within 2-7 days when payment finish sequences register.

• Carrier Methods: Freight delivery is executed via international priority lines including DHL, FEDEX, or UPS.

• Environmental Shielding: Components travel enclosed inside static-shielding anti-static industrial packaging to mitigate electromagnetic or physical damage during transit.

Field Installation Guidelines

• Mounting Torque Limits: Thread the probe barrel manually into the bracket or housing block. Torque the primary locknuts to a maximum value of 5.1 N-m (45 in-lb) to prevent structural binding or stripping of the M10 x 1 threads.

• Transducer Gap Optimization: Connect a digital voltmeter to the Proximitor sensor output loop terminals. Adjust the probe insertion depth relative to the target face until the real-time gap voltage validation reads exactly -10 VDC nominal before securing the jam nut.

• Coaxial Connector Grounding: Keep the miniature click-lock connectors completely clean and dry during routing. Insulate the connector joint with fluorocarbon heat-shrink sleeves to prevent grounding against local flexible conduit walls, maintaining cross-talk suppression.

Frequently Asked Questions

Q: How does an installation deviation from the nominal gap voltage validation affect vibration data?A: Placing the probe tip outside the calibrated linear zone alters the baseline eddy-current probe scaling factor. This cause leads to signal clipping during high-amplitude transient events, resulting in degraded accuracy when tracking high-frequency rotor dynamics.

Q: Can the 0.5-meter integrated cable be cut or modified to simplify physical routing?A: No. Altering the physical length of the integral cable changes the tuned loop capacitance and electrical length parameters. Splicing disrupts the calibrated eddy-current probe scaling matrix, completely invalidating the system calibration.

Q: What separation distance must be maintained to achieve effective cross-talk suppression?A: Maintain a minimum center-to-center separation distance of 40 mm between adjacent 8 mm probe tips. Positioning tips closer than this threshold allows their electromagnetic fields to overlap, causing signal beat frequencies that override cross-talk suppression circuits.