330878-51-05 Bently Nevada Proximitor Sensor

330878-51-05 | Bently Nevada | 3300 XL 50 mm Proximitor Sensor

330878-51-05 | Bently Nevada | 3300 XL 50 mm Proximitor Sensor

Availability: 10 left in stock

The Bently Nevada 330878-51-05, also cataloged as the 330878-51-05 Proximitor Sensor, operates as a dedicated hardware component for sensing shaft...

SKU: 330878-51-05

Manufacturer: Bently Nevada
Product No.: 330878-51-05
Product Type: Proximity Sensors
Product Origin: USA
Payment:T/T, Western Union
Weight: 100g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

The Bently Nevada 330878-51-05, also cataloged as the 330878-51-05 Proximitor Sensor, operates as a dedicated hardware component for sensing shaft displacement and vibration within machinery protection systems.

Suffix Breakdown & Model Matrix

330878: 3300 XL 50 mm Proximitor Sensor base model.
51: Total system length (5.0 meters).
05: Agency approval option (Agency approved).

Hardware Specifications

Parameter	Specification
Model	330878-51-05
Brand	Bently Nevada
Origin	USA
Weight	Not specified
Dimensions	Housing dimensions standardized for 3300 XL series
Operating Temp	Extended industrial range
Power Consumption	Standard 3300 XL loop power
Linear Range	27.9 mm (1100 mils)
System Length	5.0 meters

Proximitor Sensor Eddy-Current Scaling and Signal Integrity

The 330878-51-05 utilizes eddy-current principle to measure the distance between the probe tip and the target material. Precise gap voltage validation is required during initial calibration; standard operation targets a nominal -10 VDC gap voltage when the probe is positioned at the center of its linear range. Deviation from this target may indicate mechanical interference or probe misalignment. To ensure accurate rotor dynamics data, cross-talk suppression is maintained by adhering to minimum probe spacing requirements, preventing signal interference when multiple sensors are installed in close proximity.

Frequently Asked Questions

Q: Can the 330878-51-05 system length be altered in the field?

A: No. The system length of 5.0 meters is calibrated at the factory. Altering the cable length will modify the capacitance of the system, introducing errors into the voltage-to-distance conversion and invalidating the transducer output.

Q: What is the significance of the A380 aluminum housing in terms of grounding?

A: The housing provides a rigid mechanical structure for DIN-rail mounting. Ensure the mounting rail is properly bonded to the system common to maintain electrical integrity and minimize common-mode noise.

Field Installation Guidelines

Mount the Proximitor sensor in a protected, dry area using the integrated DIN-rail clips. Ensure the orientation allows for easy access to the terminal blocks.
Route the coaxial extension cable away from high-voltage AC cabling and variable frequency drive outputs to prevent electromagnetic induction.
Verify that the system length matches the configuration programmed in the monitor.
Perform a bench check using a target of the same material as the machine shaft to verify the gap voltage output before final installation.
Ensure all coaxial connectors are tightened to finger-tight plus one-quarter turn to prevent signal loss due to vibration.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.