Bently Nevada 330878-51-05 Proximitor Sensor Precision 3300 XL Vibration Monitoring

The Bently Nevada 330878-51-05 is a high-performance Proximitor Sensor from the renowned 3300 XL series, manufactured by Baker Hughes. This critical component is engineered for non-contact measurement of shaft vibration and axial position in rotating machinery, making it an essential tool for condition monitoring and machinery protection in industrial environments  .

Product Overview

As part of the 3300 XL 50mm system, the 330878-51-05 is designed to deliver accurate, reliable data from the harshest operating conditions. It works in tandem with 3300 XL 11 mm Proximity Probes and extension cables to convert physical movement into a voltage signal that monitoring systems can interpret . This specific model features a system length of 5.0 meters (16.4 feet) and utilizes a DIN rail mount configuration for easy and secure installation in control panels  .

Key Technical Specifications

Model Number: 330878-51-05 

Series: 3300 XL 

Type: Proximitor® Sensor (Eddy Current Displacement Sensor) 

Measurement Range: Compatible with 50 mm system probes 

Mounting: DIN rail type 

System Length: 5.0 meters 

Power Supply: -17.5 Vdc to -26 Vdc (without barriers); -23 Vdc to -26 Vdc (with barriers) 

Output Voltage: 0.39 V/mm 

Robust Design for Harsh Environments

The 330878-51-05 is built to withstand extreme industrial conditions. It operates reliably in temperatures ranging from -35°C to +85°C (-31°F to +185°F) and can be stored in temperatures from -51°C to +100°C (-60°F to +212°F) . The sensor system boasts excellent RFI/EMI immunity, ensuring signal integrity even in electrically noisy environments . The SpringLoc terminals on the Proximitor allow for fast, secure field wiring without the need for special tools, preventing loosening due to vibration  .

Applications

This sensor is widely used in critical rotating machinery across various industries, including:

Oil & Gas: Monitoring compressors and pumps 

Power Generation: Turbine supervisory systems for steam and gas turbines  

Manufacturing: Vibration monitoring on motors and gearboxes 

Why Choose the 330878-51-05?

High Precision: Provides accurate data for both static (position) and dynamic (vibration) measurements .

System Compatibility: Seamlessly integrates with other Bently Nevada 3300 XL components and monitoring systems like the 3500 series  .

Durability: Rugged construction ensures long-term reliability and minimal drift, reducing maintenance costs  .

For industries relying on predictive maintenance and asset protection, the Bently Nevada 330878-51-05 offers the precision and ruggedness required to keep critical machinery running smoothly.