Advanced External Probe Mounting Solution
The Bently Nevada 21000-34-10-20-062-04-02 Proximity Probe Housing Assembly (3300XL) is engineered to provide secure installation and dependable protection for proximity probes used in critical machinery condition monitoring systems. Designed for 3300 XL 8 mm proximity probes with connector protector and selectable hazardous-area approvals, this assembly delivers stable probe positioning while simplifying inspection, calibration, and maintenance. The model features a 1.0-meter probe cable, a 2.0-inch standoff adapter, and a 6.2-inch probe penetration, making it an excellent solution for applications requiring additional mounting clearance and extended sensing depth.
Constructed with a rugged aluminum housing and a corrosion-resistant 304 stainless steel probe sleeve, this housing assembly is built to withstand demanding industrial environments. Its durable design helps improve machinery reliability, reduce maintenance interruptions, and support continuous monitoring of valuable rotating assets.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Bently Nevada |
| Model Number | 21000-34-10-20-062-04-02 |
| Product Type | Proximity Probe Housing Assembly |
| Compatible Probe | 3300 XL 8 mm Probe with Connector Protector |
| Probe Approval | Selectable Hazardous-Area Approvals |
| Housing Material | Aluminum |
| Probe Sleeve Material | 304 Stainless Steel |
| Probe Cable Length | 1.0 m (39 in) |
| Standoff Adapter | 2.0 in (51 mm) |
| Probe Penetration | 6.2 in (157 mm) |
| Fitting Option | One 3/4-14 NPT Plug |
| Mounting Thread | 3/4-14 NPT |
| Installation Type | External Probe Housing |
| Dimensions | Approx. 386 × 83 × 83 mm |
| Weight | Approx. 1.15 kg |
Typical Applications
The 21000-34-10-20-062-04-02 housing assembly is widely used in industrial machinery protection systems where reliable vibration monitoring is essential.
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Steam turbines
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Gas turbines
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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 equipment
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Pulp and paper mills
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Steel manufacturing plants
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Water treatment systems
Technical FAQs
1. What is the primary purpose of this housing assembly?
It provides secure mounting and environmental protection for proximity probes used in machinery vibration and shaft position monitoring.
2. Which proximity probe is compatible with this model?
This configuration is designed for a 3300 XL 8 mm proximity probe with connector protector and selectable hazardous-area approvals.
3. What is the probe cable length?
The assembly includes a 1.0-meter (39-inch) probe cable.
4. Does this model include a standoff adapter?
Yes. It is equipped with a 2.0-inch (51 mm) standoff adapter to provide additional mounting flexibility.
5. What is the probe penetration length?
The probe penetration is 6.2 inches (157 mm), making it suitable for applications requiring extended probe reach.
6. What materials are used in the housing assembly?
The housing body is manufactured from aluminum, while the probe sleeve is made from 304 stainless steel for enhanced durability and corrosion resistance.
7. Which mounting thread is provided?
The assembly utilizes a 3/4-14 NPT mounting thread for secure installation.
8. Is this housing suitable for hazardous locations?
Yes. This configuration supports selectable hazardous-area approvals when installed according to the applicable standards and certification requirements.
9. Which industries commonly use this product?
It is widely installed in power generation, oil and gas, petrochemical, mining, marine, and other heavy industrial facilities where continuous equipment monitoring is essential.
10. Why choose this housing assembly?
Its durable construction, convenient maintenance design, dependable probe protection, and compatibility with 3300 XL monitoring systems make it a trusted choice for protecting critical rotating machinery.
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