Precision Housing for Critical Machinery Monitoring
The Bently Nevada 21000-34-10-00-085-04-02 Proximity Probe Housing Assembly (3300XL) is engineered to provide dependable protection and secure mounting for proximity probes used in continuous machinery condition monitoring. Designed for compatibility with 3300 XL 8 mm proximity probes with connector protector, this housing assembly supports accurate vibration and shaft position measurements in demanding industrial environments.
This configuration features a 1.0-meter probe cable, 8.5-inch probe penetration, and a rugged aluminum housing with a corrosion-resistant 304 stainless steel sleeve. The robust design simplifies installation, inspection, and probe replacement while delivering long-term reliability for critical rotating equipment. It is widely used in industries where equipment availability and operational safety are top priorities.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 21000-34-10-00-085-04-02 |
| Product Type | Proximity Probe Housing Assembly |
| Compatible Probe | 3300 XL 8 mm Probe with Connector Protector |
| Housing Material | Aluminum |
| Probe Sleeve Material | 304 Stainless Steel |
| Probe Cable Length | 1.0 m (39 in) |
| Standoff Adapter | None |
| Probe Penetration | 8.5 in (216 mm) |
| Fitting Option | One 3/4-14 NPT Plug |
| Mounting Thread | 3/4-14 NPT |
| Installation Type | External Probe Housing |
| Typical Dimensions | Approx. 883 × 83 × 83 mm |
| Approximate Weight | 1.2 kg |
Industrial Applications
The 21000-34-10-00-085-04-02 housing assembly is suitable for a wide range of rotating machinery monitoring applications, including:
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Steam turbine monitoring systems
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Gas turbine protection
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Centrifugal compressors
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Industrial pumps
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Electric motors
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Power generators
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Oil and gas production facilities
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Petrochemical processing plants
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Mining and mineral processing equipment
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Steel, paper, and other heavy manufacturing industries
Technical FAQs
1. What is the primary function of this housing assembly?
It securely mounts and protects proximity probes while providing convenient access for inspection, adjustment, and replacement.
2. Which probe does this model support?
This configuration is designed for a 3300 XL 8 mm proximity probe with connector protector.
3. What is the probe penetration length?
The housing provides an 8.5-inch (216 mm) probe penetration, making it suitable for installations requiring extended reach.
4. What is the probe cable length?
The supplied probe cable measures 1.0 meter (39 inches).
5. Does this model include a standoff adapter?
No. This configuration is supplied without a standoff adapter, allowing direct installation where required.
6. What materials are used in the housing?
The housing body is manufactured from aluminum, while the probe sleeve is constructed from corrosion-resistant 304 stainless steel for enhanced durability.
7. Which mounting thread is provided?
The assembly uses a 3/4-14 NPT mounting thread for secure installation.
8. Can this housing be used in hazardous locations?
The 21000 Series is available in configurations intended for hazardous-area installations and complies with industry standards when properly specified and installed.
9. Which industries commonly install this housing assembly?
It is widely used in power generation, oil and gas, petrochemical, mining, pulp and paper, and other heavy industrial sectors.
10. Why is this model a preferred choice for machinery protection?
Its rugged construction, dependable performance, ease of maintenance, and compatibility with Bently Nevada 3300 XL monitoring systems make it an excellent solution for protecting critical rotating machinery.
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