Bently Nevada 330140-08-50-01-00-00 3300 XL 8mm Proximity Probe

Bently Nevada 330140-08-50-01-00-00 3300 XL 8mm Proximity Probe

The Bently Nevada 330140-08-50-01-00-00 is a high-performance 8mm proximity probe engineered for precision vibration monitoring and shaft displacement measurement in critical rotating machinery. Part of the industry-leading 3300 XL series, this probe delivers exceptional reliability for turbomachinery protection and condition monitoring applications.

Technical Specifications

• Model Number: 330140-08-50-01-00-00
• Probe Diameter: 8mm (0.315 inches)
• Sensing Range: 0 to 80 mils (0 to 2.0 mm)
• Frequency Response: 0 to 10 kHz (-3 dB)
• Operating Temperature: -40 °C to +105 °C (-40 °F to +221 °F)
• Thread Type: 5/8-18 UNF-2A
• Cable Connection: Integral armored cable with BNC connector
• Housing Material: Stainless steel construction for harsh environments

Key Applications

This proximity probe excels in demanding industrial environments where accurate shaft position and vibration data are mission-critical:

• Steam and gas turbine monitoring systems
• Compressor and pump vibration analysis
• Generator rotor displacement measurement
• Motor bearing condition assessment
• Hydro turbine shaft position tracking
• Critical process machinery protection

Advanced Solutions

When integrated with Bently Nevada proximitor sensors and monitoring systems, the 330140-08-50-01-00-00 probe provides comprehensive machinery health insights. The 8mm design offers optimal sensitivity for medium to large shaft applications, delivering precise gap voltage measurements that translate to accurate displacement readings. Compatible with 3300 XL and legacy 3300 series proximitor systems, this probe ensures seamless integration into existing monitoring infrastructure.

Installation & Configuration

The probe features a robust threaded mounting design for secure installation in bearing housings and machinery casings. Proper installation requires maintaining the recommended target area specifications and ensuring adequate electrical runout compensation. The integral armored cable provides superior EMI/RFI immunity in electrically noisy industrial environments.

Common Questions

Q: What is the recommended target material for this probe?
A: The probe is optimized for use with ferromagnetic materials such as 4140 steel. Target surface finish should be 63 microinches RMS or better for optimal linearity.

Q: Can this probe replace older 7200 series probes?
A: Yes, the 3300 XL series offers backward compatibility with proper proximitor selection. Consult factory documentation for specific migration paths.

Q: What cable length options are available?
A: Standard configurations include 1m, 5m, and 9m cable lengths. Custom lengths available upon request.

Q: Is this probe suitable for high-temperature applications?
A: The standard version operates up to 105 °C. For applications exceeding this range, high-temperature variants are available.

Warranty & Support

All Bently Nevada proximity probes include a comprehensive 12-month warranty covering manufacturing defects and material failures. Our technical support team provides application engineering assistance, installation guidance, and troubleshooting support throughout the product lifecycle.

Related Products

Enhance your vibration monitoring system with these compatible components:

• Bently Nevada 125808-01C 3300 XL Proximitor – Proximitor sensor for signal conditioning
• Bently Nevada 3300 330100-90-05 Proximitor Sensor – High-performance proximitor for critical applications
• Bently Nevada 130732-01 Extension Cable 3300 XL – Extension cable for flexible installation

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