Premium Probe Housing for Reliable 3300 XL Machinery Monitoring
The Bently Nevada 21000-28-05-15-012-04-02 Proximity Probe Housing Assembly (3300 XL) is a high-quality mounting solution developed to protect and support 3300 XL 8 mm proximity probes in demanding machinery protection applications. Designed for continuous service in harsh industrial environments, this housing assembly ensures accurate probe positioning while shielding probe connections from dust, moisture, oil ingress, and mechanical damage.
Configured with a 3300 XL 8 mm reverse-mount proximity probe, a 1.5 m (5 ft) integral cable, and a 1.2-inch probe penetration, this model is well suited for compact bearing housings and equipment requiring shorter insertion depths. Its rugged aluminum construction, corrosion-resistant stainless-steel sleeve, and industrial-grade fittings provide long-term durability while simplifying installation and maintenance. As part of the proven 21000 Series, it helps maximize machinery availability and supports predictive maintenance programs for critical rotating assets.
Technical Specifications
| Parameter | Details |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 21000-28-05-15-012-04-02 |
| Product Type | Proximity Probe Housing Assembly (3300 XL) |
| Compatible Probe | 3300 XL 8 mm Reverse-Mount Proximity Probe |
| Probe Cable Length | 1.5 m (5 ft) Integral Cable |
| Probe Penetration | 1.2 in |
| Housing Material | Aluminum Housing with 304 Stainless Steel Probe Sleeve |
| Mounting Thread | 3/4-14 NPT |
| Fitting Configuration | One 3/4-14 NPT Plug with Cable Seal Components |
| Installation | External Mounting for Rotating Machinery |
| Dimensions | Approx. 175 × 72 × 72 mm |
| Weight | Approx. 1.55 kg |
Typical Applications
The 21000-28-05-15-012-04-02 is designed for machinery protection systems requiring dependable probe installation and environmental protection.
- Steam Turbine Monitoring
- Gas Turbine Packages
- Centrifugal Compressors
- Industrial Pumps
- Electric Motors
- Generators
- High-Speed Fans and Blowers
- Oil & Gas Processing Plants
- Petrochemical Facilities
- Power Generation Stations
Technical FAQs
1. What is the primary function of the 21000-28-05-15-012-04-02?
It provides a secure enclosure and mounting interface for a 3300 XL proximity probe, protecting the probe while maintaining accurate shaft vibration and displacement measurements.
2. Which proximity probe is included in this configuration?
This assembly is configured for a 3300 XL 8 mm reverse-mount proximity probe with a 1.5 m (5 ft) integral cable.
3. What does the 1.2-inch penetration specify?
The penetration dimension indicates the insertion depth of the probe sleeve, making this model suitable for compact machinery housings.
4. What material is used for the housing?
The housing combines a lightweight aluminum body with a durable 304 stainless-steel probe sleeve, offering excellent corrosion resistance and mechanical durability.
5. Which mounting thread does this assembly use?
The assembly features a 3/4-14 NPT threaded connection for secure installation on compatible machinery.
6. Can this housing be used in harsh industrial environments?
Yes. It is engineered to resist vibration, dust, moisture, and oil exposure commonly encountered in industrial process plants.
7. Which industries commonly install this product?
It is widely used in power generation, oil and gas, petrochemical, mining, marine, pulp and paper, and other facilities operating critical rotating equipment.
8. Does the housing make maintenance easier?
Yes. The external housing design allows technicians to inspect, adjust, or replace proximity probes quickly without extensive machine disassembly.
9. What are the dimensions and weight?
The housing assembly measures approximately 175 × 72 × 72 mm and weighs approximately 1.55 kg, making it ideal for installations where space is limited.
10. Why choose the 21000-28-05-15-012-04-02?
Its compact configuration, integrated cable, rugged construction, and seamless compatibility with the 3300 XL monitoring platform make it a dependable solution for protecting valuable rotating machinery.
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