Bently Nevada 330101-00-08-10-11 3300 XL 8mm Proximity Probe

Bently Nevada 330101-00-08-10-11 3300 XL 8mm Proximity Probe

The Bently Nevada 330101-00-08-10-11 is a precision-engineered 8mm proximity probe designed for continuous vibration monitoring and shaft displacement measurement in critical rotating machinery. Built on the proven 3300 XL platform, this eddy current sensor delivers reliable non-contact measurement for turbines, compressors, pumps, and motors across industrial applications.

Technical Specifications

• Model Number: 330101-00-08-10-11
• Sensing Distance: 8mm (0.315 inches)
• Thread Size: M10 x 1.0
• Probe Length: 11 inches (279.4mm)
• Operating Principle: Eddy current technology
• Frequency Response: 0 to 10 kHz (-3dB)
• Temperature Range: -40 °C to +105 °C (-40 °F to +221 °F)
• Compliance: API 670 4th Edition, ISO 20816
• Cable Termination: Requires 3300 XL extension cable and proximitor sensor

Key Applications

This proximity probe excels in demanding industrial environments where accurate shaft position and vibration data are critical for predictive maintenance and machinery protection:

• Steam and gas turbine radial vibration measurement
• Centrifugal compressor thrust position monitoring
• Large motor bearing displacement tracking
• Pump shaft eccentricity detection
• Gearbox differential expansion measurement
• Fan rotor position surveillance in power generation

Engineering Solutions

Complete Monitoring System: When paired with a 3300 XL Proximitor Sensor and standard extension cable, the 330101-00-08-10-11 forms a complete transducer system that converts mechanical displacement into proportional voltage signals for DCS integration or vibration monitors.

Factory Calibration: Each probe ships with traceable calibration data ensuring ±1% linearity across the full measurement range. The system scale factor of 200 mV/mil (7.87 V/mm) simplifies integration with legacy and modern monitoring platforms.

Harsh Environment Durability: Hermetically sealed construction with stainless steel housing protects against moisture, oil mist, and corrosive atmospheres common in petrochemical and power generation facilities.

Frequently Asked Questions

Q: What extension cable length should I select?
A: Cable length depends on probe-to-monitor distance. Standard options range from 1m to 9m. Longer cables may introduce signal attenuation onsult our technical team for runs exceeding 9 meters.

Q: Is this probe compatible with 3300 NSv systems?
A: No. The 330101 series is designed exclusively for 3300 XL systems. For NSv applications, specify P-series probes with integrated cable assemblies.

Q: Can I retrofit this probe into existing Bently Nevada systems?
A: Yes. The 330101-00-08-10-11 maintains backward compatibility with legacy 3300 XL proximitor sensors (330180 series) and monitoring racks, enabling seamless upgrades without system reconfiguration.

Q: What target material is required for accurate measurement?
A: Calibration assumes ferromagnetic steel targets (4140 or equivalent). Non-magnetic materials like stainless steel 300-series or aluminum require custom calibration curves.

Quality Assurance & Warranty

Every 330101-00-08-10-11 probe undergoes rigorous factory testing including frequency response verification, temperature cycling, and vibration stress screening. We stand behind our OEM-quality components with a 12-month warranty covering manufacturing defects and performance deviations from published specifications.

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