The Bently Nevada 330881-28-05-145-03-02 PROXPAC XL Proximity Sensor is a high-performance vibration and position sensing device, designed for use in critical industrial environments. It belongs to the PROXPAC XL family, which is widely applied in machinery protection and condition monitoring systems. This model offers precise displacement measurements, robust environmental resistance, and reliable integration with Bently Nevada monitoring systems, making it suitable for high-demand applications such as turbines, compressors, and rotating equipment.

Technical Specifications

Product Applications

• Turbomachinery Monitoring – Used in steam, gas, and hydro turbines for shaft vibration and displacement monitoring.

• Compressors and Pumps – Ensures reliability and early fault detection by tracking shaft position and vibration.

• Generators and Motors – Helps monitor rotor shaft alignment and bearing conditions.

• Gearboxes – Provides vibration feedback for detecting gear wear and misalignment.

• Industrial Condition Monitoring Systems – Integrates into Bently Nevada’s 3500 and other protection systems for plant-wide diagnostics.

Product Advantages

• High Accuracy – Provides precise vibration and position measurement with minimal error.

• Robust Environmental Resistance – Operates reliably under wide temperature ranges and harsh industrial conditions.

• Compatibility – Seamlessly integrates with Bently Nevada 3500 and other monitoring platforms.

• Extended Range – Supports long extension cable configurations without significant signal degradation.

• Reliable Certification – Certified for use in hazardous industrial environments (ATEX, CSA).

• Proven Reliability – Built on Bently Nevada’s decades of experience in machinery monitoring solutions.

FAQ

Q1: What is the primary sensing principle of this proximity sensor?

A1: It uses eddy current technology to detect changes in the distance between the probe tip and the shaft surface.

Q2: How does the sensor maintain linearity across its range?

A2: The PROXPAC XL design ensures ±0.25% linearity through precision calibration and stable electronics.

Q3: Can this sensor be used with different cable lengths?

A3: Yes, it supports various probe and extension cable lengths, typically up to 9 meters in total.

Q4: What type of materials can the sensor reliably measure against?

A4: It is optimized for conductive materials, particularly steel shafts commonly used in rotating machinery.

Q5: How does temperature affect the sensor’s performance?

A5: It is temperature-compensated and can operate reliably from -35 °C to +177 °C without significant drift.

Q6: Which monitoring systems are most commonly paired with this sensor?

A6: It is commonly used with Bently Nevada 3500, 3300, and similar condition monitoring platforms.

Q7: How is electromagnetic interference (EMI) managed in this sensor?

A7: The stainless-steel housing and shielded cable design provide excellent EMI immunity.

Q8: Does the sensor require calibration in the field?

A8: Factory calibration ensures accuracy, but field calibration may be performed when integrating with monitoring systems.

Q9: What is the maximum frequency response capability of this sensor?

A9: It supports a frequency response range from DC up to 10 kHz.

Q10: Is the sensor suitable for hazardous area installations?

A10: Yes, it carries ATEX and CSA certifications, making it safe for hazardous industrial zones.