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- Bently Nevada
- 21000-28-05-20-095-04-02
- Proximity Probe Housing Assembly(3300XL)
- USA
- 83.3 mm
- 1.1 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
- 24
Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Bently Nevada 21000-28-05-20-095-04-02 is a Proximity Probe Housing Assembly designed for the 3300 XL Proximity Transducer System. It provides a robust and precisely aligned mounting structure for proximity probes used in rotating machinery monitoring and protection systems.
This housing enables accurate measurement of shaft vibration, shaft displacement, and rotor position, making it suitable for critical industrial applications in power generation, oil & gas, petrochemical, and heavy industry environments.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 21000-28-05-20-095-04-02 |
| Product Type | Proximity Probe Housing Assembly |
| Compatible System | 3300 XL Proximity Transducer System |
| Housing Body Diameter | 83.3 mm |
| Weight | 1.1 kg |
| Mounting Type | External machine or bearing housing installation |
| Housing Material | Industrial-grade metal alloy |
| Probe Compatibility | 3300 XL proximity probes |
| Cable Entry Type | Threaded conduit connection |
| Measurement Functions | Shaft vibration, shaft displacement, rotor position |
| Application Category | Machinery protection and condition monitoring |
| Environmental Suitability | Industrial operating environments |
Function and Working Principle
The housing assembly functions as a protective enclosure and precision alignment platform for proximity probes.
Working Principle
- A 3300 XL proximity probe is installed inside the housing assembly.
- The probe is positioned close to the rotating shaft without physical contact.
- Shaft vibration, displacement, and rotor movement are detected by the probe.
- Signals are transmitted to monitoring and protection systems.
- The housing ensures stable alignment and protection against mechanical and environmental stress.
This enables continuous and reliable monitoring of rotating machinery conditions.
Role in Condition Monitoring Systems
- Provides secure and stable probe mounting
- Maintains precise alignment for accurate measurements
- Protects probes from dust, moisture, and mechanical damage
- Supports continuous vibration and displacement monitoring
- Improves reliability of machinery protection systems
- Reduces maintenance and recalibration requirements
Industrial Applications
- Steam turbines
- Gas turbines
- Hydroelectric turbines
- Centrifugal compressors
- Industrial pumps
- Electric motors
- Gearboxes
- Power generation facilities
- Oil and gas processing plants
- Petrochemical plants
Installation Guidelines
- Mount securely on machine casing or bearing housing
- Maintain correct probe-to-shaft clearance
- Route wiring through threaded conduit connections
- Verify probe alignment before system commissioning
- Confirm stable signal output in monitoring systems
- Follow standard industrial installation practices
Proper installation ensures long-term measurement accuracy and reliability.
Compatible Components
- 3300 XL proximity probes
- Proximitor sensor systems
- Extension cables
- Machinery protection systems
- Turbine supervisory instrumentation (TSI) systems
- Industrial vibration monitoring platforms
Alternative Models
| Model | Description |
|---|---|
| 21000-28-05-20-095-04-02 | Standard 3300 XL probe housing assembly (this model) |
| 21000 Series Variants | Alternative mounting and configuration options |
| 24701 Series | Stainless steel housing assemblies |
| Compact Housing Assemblies | Space-constrained installations |
| Heavy-Duty Housing Assemblies | Harsh industrial environments |
Key Advantages
- Rugged industrial-grade construction
- Stable and precise probe positioning
- Strong protection against environmental stress
- Supports accurate vibration and displacement monitoring
- Reduces maintenance and alignment effort
- Fully compatible with 3300 XL systems
- Long operational service life
Technical FAQs
What is the purpose of this housing assembly?
It provides secure mounting and protection for 3300 XL proximity probes in rotating machinery.
Does the housing measure vibration directly?
No. The proximity probe performs measurement; the housing ensures correct positioning and protection.
Which machinery uses this assembly?
Turbines, compressors, pumps, motors, and other rotating equipment.
Why is probe alignment important?
Accurate alignment ensures reliable vibration, displacement, and rotor position readings.
Is it suitable for industrial environments?
Yes. It is designed for continuous operation in harsh industrial conditions.
Conclusion
The Bently Nevada 21000-28-05-20-095-04-02 Proximity Probe Housing Assembly is a durable and precision-engineered mounting solution for the 3300 XL system. Its stable alignment design and rugged construction make it essential for accurate condition monitoring and reliable protection of critical rotating machinery.