Configured for precision displacement and vibration measurement in rotating machinery, the Bently Nevada 330104-00-05-05-11-05 (330104 Proximity Probes) provides direct physical execution of eddy-current signal transduction within 3300 XL transducer systems.

Suffix Breakdown

The part number 330104-00-05-05-11-05 specifies the configuration of the 8 mm transducer system:

• 330104: 8 mm Proximity Probes

• 00: Unthreaded Length

• 05: Overall Case Length (50 mm)

• 05: Total Length (0.5 m)

• 11: Connector Option

• 05: Agency Approval Option

Hardware Specifications

Mechanical Monitoring and Signal Integrity

The transducer system operates on the principle of eddy-current probe scaling to convert shaft displacement into a proportional voltage. Accuracy relies on gap voltage validation; installers must ensure the signal remains within the linear -10 VDC operating zone. To maintain signal fidelity in multi-probe monitoring arrays, cross-talk suppression is required by maintaining specific spatial separation between parallel sensors to eliminate electromagnetic interference.

Ordering Information

• 1 x 330104 8 mm Proximity Probes

• 1 x Connector protective cap

• Technical installation and compliance documentation

Field Installation Guidelines

• Mechanical Mounting: Secure the probe body into the mounting bracket using the locknut. Ensure the probe tip is positioned perpendicular to the target shaft.

• Gap Adjustment: Measure the air gap at standstill using a high-impedance digital voltmeter to ensure the probe is centered within its linear range.

• Grounding: Terminate the coaxial shield at the system common ground bus to minimize noise susceptibility.

• Cable Routing: Keep signal cabling in dedicated, non-metallic conduit to prevent induction from high-voltage power lines.

Transit and Logistics

• Delivery time: 2-7 days when payment finish.

• Dispatched via DHL/FEDEX/UPS.

• Components utilize anti-static industrial packaging to ensure protection against ESD and mechanical impact during shipment.

Technical FAQ

• What material targets are supported? The probe is calibrated for AISI 4140 steel; other conductive materials require custom calibration curves.

• What is the probe sensitivity? The nominal sensitivity is 7.87 V/mm (200 mV/mil).

• How often should calibration be verified? Verify calibration during machine overhauls or if baseline signal drift is identified.

• Can the probe operate in hazardous environments? Yes, provided the system is installed according to approved hazardous area standards.

• What extension cables are compatible? Only 3300 XL series coaxial extension cables are approved for use with this transducer.

• What causes unstable gap voltage? Instability is typically caused by cable damage, loose connectors, or electromagnetic interference.

• How is probe health tested? Probe health is confirmed by verifying coaxial continuity and checking the stability of the DC gap voltage.

• What is the expected service life? Service life is contingent on thermal exposure and mechanical vibration levels at the installation point.