Bently Nevada 330850-51-05 3300 XL 25 mm Proximitor Sensor

Bently Nevada 330850-51-05 3300 XL 25 mm Proximitor Sensor: Precision Vibration Monitoring

The Bently Nevada 330850-51-05 3300 XL 25 mm Proximitor Sensor is a high-performance transducer from the trusted 3300 XL series, designed for critical machinery protection and condition monitoring . As a key component of a eddy current proximity transducer system, this sensor works seamlessly with 3300 XL 25 mm proximity probes and extension cables to provide precise, non-contact measurements of shaft vibration and position .

Key Features and Benefits

Engineered for reliability in industrial environments, the 3300 XL Proximitor Sensor offers advanced features that simplify installation and enhance performance:

Flexible Mounting Options: The sensor features a thin, space-saving design that supports both high-density DIN rail mounting and traditional panel mount configurations, making it adaptable to various control panel layouts .

Enhanced Signal Integrity: With improved RFI/EMI immunity, the 330850-51-05 meets CE mark approvals without requiring special mounting considerations, ensuring accurate data transmission even in the presence of high-frequency radio signals .

Robust Field Connections: It is equipped with SpringLoc terminal strips that allow for faster, highly secure wiring without the need for special tools, reducing installation time and improving connection reliability .

Technical Specifications (Part Number Breakdown)

The part number 330850-51-05 specifies a complete system with defined physical and operational characteristics :

System Length and Mounting (Option "51"): This configuration includes a 5.0-meter (16.4 feet) total system length and is designed for DIN rail mounting .

Agency Approval (Option "CN"): This unit comes with country-specific approvals (CN Approvals Option), ensuring compliance with regional standards .

Electrical Input: It accepts input directly from one non-contacting 3300 XL 25 mm probe and requires a power supply ranging from -17.5 Vdc to -26 Vdc (or -23 Vdc to -26 Vdc with barriers) .

Supply Sensitivity: Features excellent supply voltage rejection, with less than 2 mV change in output voltage per volt change in input voltage, ensuring stable measurements .

Applications

The 3300 XL 25 mm Proximitor Sensor is ideal for monitoring critical rotating machinery where shaft dynamics are crucial, including steam turbines, compressors, pumps, and large electric motors . By converting physical proximity to a voltage signal, it provides essential data for oversight and equipment fault diagnosis.

For those upgrading existing systems, this sensor is designed to be a direct replacement for older 7200 series and 25 mm DE Integral systems, allowing for a seamless transition to modern 3300 XL technology without altering monitor configurations .