Description
Bently 330103-00-10-10-02-00
Technical Specifications
- Product Series: 3300 XL 8mm Eddy Current Sensor System
- Probe Diameter: 8 mm (0.315 inches)
- Sensitivity: 200 mV/mil (7.87 V/mm)
- Thread Specification: M10 x 1 Metric Thread
- System Compliance: API 670 Standard
Functional Features
- High Resolution: Capable of detecting micron-level vibration changes, enabling early fault diagnosis such as oil whirl, misalignment, and blade passing frequencies.
- Environmental Resilience: Unaffected by oil, water, or steam, making it perfectly suited for lubricated bearing housings.
- Backward Compatibility: Fully compatible with legacy 3300 series systems and modern 3500 monitoring frameworks.
Application Scenarios
Deployed in critical infrastructure including nuclear power plants, natural gas processing facilities, and heavy manufacturing, specifically for monitoring radial vibration, axial displacement, and eccentricity.
Performance Parameters
- Linear Measurement Range: 80 mils (2.0 mm)
- Frequency Response: 0 to 10 kHz (-3 dB)
- Operating Temperature Range: -52°C to +177°C (-62°F to +350°F)
- Relative Humidity Tolerance: Less than 3% change in ASF at 93% humidity
Material Composition
The probe housing is precision-machined from corrosion-resistant alloys, and the sealing mechanism utilizes Viton O-rings rated for extreme temperatures and chemical exposure.
Structural Characteristics
Features an integrated strain relief and a robust threaded body. The design ensures concentricity and face flatness to guarantee uniform eddy current generation across the target surface.
Working Principle
A high-frequency oscillator drives the probe coil. As the metallic shaft rotates, eddy currents are generated on its surface. The distance between the probe and shaft dictates the magnitude of these currents, which is demodulated into a proportional DC and AC voltage.
Installation Requirements
Install in a clean, tapped hole perpendicular to the shaft axis. Set the initial gap to the recommended midpoint (e.g., 1.27 mm / 50 mils) and verify the gap voltage falls within the linear operating window.
Usage Precautions
Do not apply excessive torque during installation, as this can crack the ceramic coil assembly. Ensure the target surface is smooth and free of keyways or splines within the measurement zone.
