The Bently Nevada 330850-90-00, also cataloged as the 3300 XL 25 mm Proximitor Sensor, operates as a dedicated eddy-current signal conditioning interface for converting probe gap variation into linear displacement voltage within the 3300 XL transducer system. It processes raw proximity probe input and outputs a calibrated signal proportional to shaft radial movement.

Suffix / Configuration Matrix

• 90: 9.0 m system length configuration
• 00: No agency approval configuration
• Mounting: panel mount architecture
• Sensor family: 3300 XL 25 mm proximitor platform

Hardware Specifications

Eddy-Current Probe Scaling and Rotor Displacement Processing (Bently Nevada TSI Characteristics)

The 3300 XL 25 mm proximitor system operates through eddy-current field interaction between probe tip and conductive target surface. Displacement of the rotor alters coil impedance, which is converted into a linear voltage output proportional to shaft movement. The system maintains a nominal scale factor of 0.787 V/mm across its defined linear range of 12.7 mm. Signal stability depends on controlled impedance matching across probe, extension cable, and proximitor interface. Cross-talk suppression is implemented through shielding design and grounding architecture to reduce interference in multi-channel monitoring environments.

Frequently Asked Questions

Q: What is the function of the 330850-90-00 module?
A: It conditions eddy-current probe signals into proportional voltage for displacement and vibration measurement.

Q: Is the system hot-swappable?
A: The proximitor module is not designed for live insertion; system power isolation is required before replacement.

Q: What determines measurement linear range?
A: The 25 mm probe system defines a nominal linear range of 12.7 mm based on scale factor behavior.

Q: Does cable length affect signal accuracy?
A: The 9.0 m system length is factory defined and must be maintained to preserve calibration integrity.

Field Installation Guidelines

• Install panel-mounted unit on grounded metallic enclosure surface
• Maintain separation between signal cables and high-voltage conductors
• Ensure full seating of connectors to avoid impedance mismatch
• Verify probe and extension cable continuity before energization
• Use proper shielding termination at single grounding point
• Avoid mechanical stress on coaxial cable routing paths

Ordering Info

• 1 x Bently Nevada 330850-90-00 25 mm Proximitor Sensor
• Factory configured 9.0 m system length assembly
• Panel mounting hardware included
• No calibration accessories included unless specified
• A380 aluminum housing assembly

Delivery Information

Delivery time: 3-5 days after payment confirmation or 2-7 days depending on logistics route. Shipment via DHL / FedEx / UPS with anti-static industrial packaging, shock-resistant sealing, and vibration-protected handling for precision monitoring electronics.