Product Overview

The Bently Nevada 21000-28-05-30-024-03-02 is a Proximity Probe Housing Assembly designed for use with the 3300 XL 8 mm proximity probe system. It is part of the 21000 series housing family, used to protect and mechanically position proximity probes for vibration and shaft displacement monitoring in rotating machinery.

This assembly is typically installed on turbines, compressors, pumps, and other critical rotating equipment, where accurate shaft vibration measurement is required for condition monitoring and protection systems.

Technical Specifications

Function and Working Principle

This housing assembly provides a protected mechanical and environmental interface for proximity probes:

1. Mechanical positioning – ensures correct probe alignment with the rotating shaft.
2. Protection – shields probe and cabling from dust, oil, moisture, and mechanical damage.
3. Stable gap control – maintains precise probe-to-target distance for accurate eddy-current measurement.
4. Signal integrity support – reduces measurement error caused by vibration or misalignment.
5. Mounting interface – connects probe system to machinery via threaded housing assembly.

It is a support structure, not a sensor itself, but essential for accurate monitoring performance.

Key Features

• Compatible with Bently Nevada 3300 XL proximity probe systems
• Rugged industrial housing for harsh environments
• Designed for precise probe positioning and stability
• Supports vibration and shaft displacement monitoring systems
• Corrosion-resistant mechanical construction
• Suitable for continuous operation in rotating machinery environments

Industrial Applications

• Gas and steam turbine condition monitoring
• Compressor vibration measurement systems
• Pump shaft displacement monitoring
• Industrial gearbox condition monitoring
• Power generation rotating equipment protection systems
• Oil & gas machinery diagnostics

Installation Overview

• Mounted directly onto machinery casing or bracket system
• Houses and aligns proximity probe toward rotating shaft
• Connected with sealed fittings and cable entry points
• Installed according to vibration monitoring system design (e.g., API-style machinery protection layouts)
• Requires correct alignment to ensure accurate gap measurement

Compatible Systems

• Bently Nevada 3300 XL proximity transducer system
• Machinery protection and condition monitoring systems
• Industrial vibration monitoring platforms
• Turbine supervisory instrumentation systems

Alternative Models

Key Advantages

• Ensures accurate and stable vibration measurement setup
• Protects sensitive proximity probe components
• Designed for harsh industrial environments
• Improves long-term reliability of monitoring systems
• Compatible with widely used 3300 XL system architecture
• Reduces installation errors through standardized housing design

Technical FAQs

What is this device used for?
It is used to house and position a proximity probe for vibration and shaft displacement measurement.

Is it a sensor?
No, it is a mechanical housing that supports the sensor.

Where is it installed?
On rotating machinery such as turbines, compressors, and pumps.

What system does it support?
It is designed for Bently Nevada 3300 XL proximity probe systems.

Why is it important?
Because correct probe positioning is critical for accurate vibration monitoring and machine protection.

Conclusion

The Bently Nevada 21000-28-05-30-024-03-02 Proximity Probe Housing Assembly is a critical mechanical support component in industrial vibration monitoring systems. While it does not measure signals itself, it ensures that proximity probes operate with precision, stability, and protection, enabling reliable condition monitoring of high-value rotating machinery.