



Optimized Protection for Industrial Vibration Monitoring
The Bently Nevada 21000-28-05-00-073-03-02 Proximity Probe Housing Assembly is engineered to provide a secure and durable installation platform for proximity probes used in machinery protection and condition monitoring systems. Designed to shield probe connections from dust, moisture, vibration, and mechanical damage, this housing assembly helps ensure long-term measurement stability and dependable equipment performance.
Configured for demanding industrial environments, this model accommodates a 3300 XL 8 mm proximity probe with a 0.5 m (20 in) integral cable and features a 7.3-inch probe penetration for applications requiring extended mounting depth. Its corrosion-resistant construction and service-friendly design make it an ideal choice for both new machinery installations and retrofit projects across a variety of process industries.
Technical Specifications
| Parameter | Details |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 21000-28-05-00-073-03-02 |
| Product Type | Proximity Probe Housing Assembly |
| Compatible Probe | Bently Nevada 3300 XL 8 mm Proximity Probe |
| Probe Cable Length | 0.5 m (20 in) |
| Probe Penetration | 7.3 in |
| Housing Material | Aluminum Housing with Stainless Steel Probe Sleeve |
| Mounting Thread | 3/4-14 NPT |
| Environmental Design | Dust and Moisture Resistant |
| Installation | Machinery Bearing Housing or Monitoring Bracket |
| Dimensions | Approx. 285 × 72 × 72 mm |
| Weight | Approx. 1.68 kg |
Typical Applications
The 21000-28-05-00-073-03-02 is designed for continuous machinery monitoring in a wide range of industrial applications.
- Steam Turbine Monitoring
- Gas Turbine Protection
- Centrifugal Compressors
- Industrial Pumps
- Electric Motors
- Generators
- Fans and Blowers
- Refinery Equipment
- Oil & Gas Processing Facilities
- Power Generation Plants
Technical FAQs
1. What is the purpose of the 21000-28-05-00-073-03-02 Housing Assembly?
It provides mechanical protection and secure mounting for proximity probes, helping maintain accurate vibration and shaft position measurements in rotating machinery.
2. Which proximity probe is compatible with this housing?
This configuration is designed for use with a Bently Nevada 3300 XL 8 mm proximity probe equipped with a 0.5 m (20 in) integral cable.
3. What does the 7.3-inch penetration represent?
The penetration length specifies how far the probe sleeve extends into the machine, allowing proper positioning for different bearing housing designs.
4. What materials are used in the housing assembly?
The assembly features a lightweight aluminum housing combined with a corrosion-resistant stainless-steel probe sleeve for long-term durability.
5. Is this housing suitable for harsh industrial environments?
Yes. It is engineered to withstand demanding operating conditions including vibration, dust, humidity, and temperature fluctuations commonly found in industrial facilities.
6. Which industries commonly use this product?
The housing assembly is widely used in oil and gas, petrochemical, power generation, mining, marine, pulp and paper, and other industries operating critical rotating equipment.
7. Does the housing simplify maintenance?
Yes. Its service-friendly design allows technicians to access, inspect, adjust, or replace proximity probes quickly, minimizing maintenance downtime.
8. Can it be installed on existing machinery monitoring systems?
Yes. It is commonly used for replacement, retrofit, and expansion projects involving compatible Bently Nevada proximity transducer systems.
9. What are the dimensions and weight?
The housing assembly measures approximately 285 × 72 × 72 mm and weighs approximately 1.68 kg, providing a robust solution for industrial machinery installations.
10. Why select the 21000-28-05-00-073-03-02?
Its rugged construction, extended probe penetration, dependable environmental protection, and compatibility with proven Bently Nevada vibration monitoring systems make it an excellent choice for safeguarding critical rotating assets.