Configured for high-frequency displacement and vibration measurement in rotating machinery, the Bently Nevada 330104-00-25-10-12-00 (330104 Proximity Probes) provides direct physical execution of eddy-current based signal transduction within 3300 XL transducer systems.

Configuration Matrix

The part number 330104-00-25-10-12-00 defines the following hardware configuration:

• 330104: 8 mm Proximity Probes

• 00: Unthreaded Length

• 25: Overall Case Length (250 mm)

• 10: Total Length (1.0 m)

• 12: Connector Option

• 00: Agency Approval Option

Hardware Specifications

Rotor Dynamics and Signal Monitoring

This transducer utilizes eddy-current probe scaling to monitor the air gap between the probe tip and a conductive shaft. Precise data acquisition requires gap voltage validation; the nominal -10 VDC output ensures the probe operates within its linear measurement window. To protect signal integrity, cross-talk suppression must be implemented by maintaining physical separation between adjacent transducers, preventing electromagnetic interference from contaminating rotor dynamics data.

Ordering Info

• 1 x 330104 8 mm Proximity Probes

• 1 x Connector protective dust cap

• Installation compliance and technical data documentation

Installation Procedures

• Mechanical Mounting: Secure the probe body into the mounting bracket using the locknut. Ensure engagement depth follows standard industrial guidelines (5-thread engagement).

• Gap Calibration: Set the nominal air gap at rest using a high-impedance digital voltmeter to ensure the probe is positioned for linear response.

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

• Cable Routing: Isolate transducer signal lines from high-voltage AC cabling to prevent induced electromagnetic noise.

Logistics and Transit

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

• Dispatched via DHL/FEDEX/UPS.

• Components are sealed in anti-static industrial packaging to mitigate electrostatic discharge (ESD) and physical damage during shipping.

Frequently Asked Questions

• What material targets are supported? Factory calibration is set for AISI 4140 steel; other conductive targets require site-specific 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 maintenance intervals or if signal deviation is detected.

• Can the probe operate in hazardous environments? Yes, provided the system is installed in compliance with documented hazardous area certifications.

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

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

• How is probe health tested? Probe health is verified by checking coaxial continuity and ensuring static gap voltage remains stable.

• What is the expected service life? Service life is contingent on ambient thermal exposure and mechanical vibration levels at the mounting site.