Bently Nevada 330880-28-20-038-00-02 PROXPAC XL Proximity Sensors

Product Introduction

The Bently Nevada 330880-28-20-038-00-02 PROXPAC XL Proximity Sensor is part of the renowned 3300 XL series, specifically engineered for high-performance machinery monitoring and protection. It is designed to provide accurate, reliable non-contact measurements of shaft vibration, position, and displacement. With its rugged construction and optimized electronics, this sensor ensures precision in both industrial and critical turbomachinery applications.

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Technical Specifications

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Product Applications

• Rotating machinery monitoring including turbines, compressors, motors, pumps, and generators.

• Displacement and shaft vibration measurement for condition monitoring.

• Axial position and thrust bearing measurements in large turbomachinery.

• Predictive maintenance programs to reduce unscheduled downtime.

• High-speed machinery protection systems where real-time, reliable sensor data is essential.

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Product Advantages

• High Precision – Delivers accurate measurements with excellent linearity across the specified range.

• Reliability in Harsh Environments – Designed for extreme temperatures, vibration, and contamination resistance.

• Seamless Compatibility – Fully compatible with Bently Nevada’s monitoring systems, making integration straightforward.

• Extended Service Life – Engineered for long-term stability, reducing recalibration needs.

• Flexible Installation – Multiple cable lengths and probe configurations available for tailored system setups.

• Enhanced Signal Integrity – Optimized shielding ensures immunity from electromagnetic interference.

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FAQ

Q1: How does the sensor achieve linearity over its operating range?
A1: The sensor uses an advanced coil design and proprietary calibration to maintain consistent linear output across the full measurement range.

Q2: Can this sensor operate reliably under high vibration conditions?
A2: Yes, the PROXPAC XL is specifically engineered to withstand harsh vibration environments without performance degradation.

Q3: How is the sensor connected to the monitoring system?
A3: It connects via a shielded extension cable to a Proximitor module, which conditions and transmits the signal to monitoring equipment.

Q4: What role does the Proximitor play in this system?
A4: The Proximitor supplies DC excitation to the probe, converts the return signal, and provides a linear voltage output proportional to displacement.

Q5: Is the sensor resistant to electromagnetic interference (EMI)?
A5: Yes, the probe and cables are shielded to reduce EMI and guarantee signal integrity in industrial environments.

Q6: Can it be used for both radial and axial measurements?
A6: Absolutely, the sensor is suitable for both radial shaft vibration and axial position monitoring applications.

Q7: What is the typical frequency response of this sensor?
A7: It offers a frequency response from DC up to 10 kHz, suitable for most machinery vibration monitoring.

Q8: Does the sensor require recalibration over time?
A8: Normally, recalibration is not required, thanks to its long-term stability and factory calibration.

Q9: How does the sensor behave in extreme temperature variations?
A9: The wide operating range (-35°C to +180°C) ensures stable performance even in fluctuating thermal conditions.

Q10: Is this sensor compatible with legacy Bently Nevada systems?
A10: Yes, it is backward compatible with many earlier Bently Nevada monitoring systems, provided the correct Proximitor and cabling are used.

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