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- Bently Nevada
- 21000-00-00-00-039-03-02
- 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
- 8
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 21000-00-00-00-039-03-02 Proximity Probe Housing Assembly is a precision-engineered industrial enclosure designed to house 3300 XL proximity probes. This housing ensures secure probe mounting and protection while enabling accurate non-contact measurement of shaft vibration and position in rotating machinery.
With a housing body diameter of 83.3 mm, this model provides a robust and stable mounting solution suitable for industrial applications requiring high reliability and maintenance accessibility.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 21000-00-00-00-039-03-02 |
| 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 casing mount |
| Material | Industrial-grade aluminum or equivalent |
| Probe Access | Adjustable and replaceable externally |
| Cable Entry | Threaded conduit entry |
| Measurement Support | Shaft vibration, shaft displacement |
| Application Category | Machinery protection and condition monitoring |
| Environmental Suitability | Industrial and hazardous-area installations |
Function and Working Principle
The housing assembly serves as a protective interface for proximity probes used to measure shaft position and vibration in rotating machinery.
Working Principle
- The proximity probe is installed inside the housing.
- The probe detects changes in distance between its tip and the rotating shaft.
- Signals are transmitted to monitoring systems for analysis.
- The housing ensures stable probe alignment and protects against environmental hazards, mechanical damage, and contamination.
This configuration enables accurate non-contact monitoring of critical rotating components.
Role in Condition Monitoring Systems
- Provides secure and stable mounting for proximity probes
- Enables accurate shaft vibration and displacement measurements
- Protects probes from harsh environments and industrial contaminants
- Allows external probe adjustment and maintenance without disassembling machinery
- Supports early fault detection and predictive maintenance programs
- Ensures reliability of turbine and compressor monitoring systems
Industrial Applications
- Steam, gas, and hydro turbines
- Centrifugal and axial compressors
- Industrial pumps and motors
- Gearboxes and drive trains
- Power generation equipment
- Oil & gas processing plants
- Petrochemical facilities
- Heavy industrial machinery
Installation Guidelines
- Mount securely on machine casing or bearing housing
- Maintain proper alignment between probe and shaft surface
- Verify probe gap according to system design specifications
- Use appropriate conduit fittings for cable protection
- Ensure cable routing avoids strain or interference
- Comply with industrial and hazardous-area installation standards
Proper installation ensures measurement accuracy and system reliability.
Compatible Components
- 3300 XL proximity probes
- Extension cables and signal conditioning modules
- Turbine supervisory instrumentation (TSI) systems
- Machinery protection systems
- Industrial vibration monitoring platforms
Recommended Alternative Models
| Model | Description |
|---|---|
| 21000-00-00-00-039-03-02 | Standard 3300 XL housing assembly |
| 21000 series variants | Alternative industrial aluminum housings |
| 24701 series | Stainless steel probe housing for harsh environments |
| Compact or heavy-duty housing assemblies | Space-constrained or extreme conditions |
Key Advantages
- Durable industrial-grade construction
- Provides stable probe mounting for accurate measurements
- Supports non-contact shaft vibration and displacement monitoring
- Facilitates external probe adjustment and maintenance
- Suitable for industrial and hazardous-area environments
- Enhances reliability of rotating machinery condition monitoring
Technical FAQs
What is the main function of this housing assembly?
It provides a secure and protected mount for 3300 XL proximity probes, enabling accurate shaft vibration and position measurement.
Does the housing measure vibration directly?
No. The proximity probe inside performs all measurements; the housing provides protection and alignment.
Which machinery can it be used on?
Turbines, compressors, pumps, motors, gearboxes, and other rotating machinery.
Why is external probe adjustment important?
It allows maintenance and calibration without disassembling critical machinery, improving uptime.
Is it suitable for hazardous environments?
Yes, when installed with proper conduit and grounding practices, it supports industrial and hazardous-area applications.
Conclusion
The Bently Nevada 21000-00-00-00-039-03-02 Proximity Probe Housing Assembly is a robust and reliable solution for mounting and protecting 3300 XL proximity probes. Its durable construction, accurate alignment capability, and industrial compatibility make it ideal for shaft vibration and position monitoring in critical rotating equipment across power generation, oil & gas, petrochemical, and heavy industry applications.