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Technical specifications for 24701-28-05-05-105-03-02
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Manufacturer:Bently Nevada
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Product Category:Machinery Monitoring Systems
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Spare Part Number:24701-28-05-05-105-03-02
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Estimated shipping dimensions:0.5m
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Weight:2.5 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Probe Option:3300 XL 8 mm probe
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Cable Length:0.5 metre (20 in)
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Standoff Adapter:0.5 inch standoff adapter length
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Probe Penetration:10.5 inches probe penetration
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Mounting Thread:3/4-14 NPT mounting thread
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Operating and storage temperature:-51°C to +177°C (-60°F to +351°F)
Information
Overview
Manuals
Target Machinery
Industrial resilience
The 24701-28-05-05-105-03-02 is a rugged stainless steel proximity probe housing assembly designed for external access and precise gap adjustment. This configuration integrates a 3300 XL 8mm probe with multiple agency approvals and a 10.5-inch penetration depth, providing a standardized, high-performance solution for machinery protection in hazardous industrial environments.
- 10.5" Deep Probe Penetration (267mm)
- 303/304 Stainless Steel Construction
- Live External Probe Gap Adjustment
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Bently Nevada 24701-28-05-05-105-03-02 Proximity Probe Housing Assemblies Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
The 24701 stainless steel housing is a rugged assembly designed for critical rotating assets such as steam turbines, centrifugal compressors, and large industrial pumps. It strictly adheres to API 670 standards, providing a professional-grade interface for monitoring radial vibration and axial position in high-stakes machinery environments.
This specific configuration features a 10.5-inch (267 mm) penetration length and a 3/4-14 NPT mounting thread, making it compatible with deep-bore bearing housings. The inclusion of a 0.5-inch standoff adapter ensures there is sufficient clearance for external cabling and connector protection, allowing for seamless integration into diverse machine frame designs.
A primary operational advantage is the ability to perform external probe gap adjustments without shutting down the target machinery. This "live adjustment" capability significantly reduces maintenance downtime and enhances safety, as technicians can optimize the 3300 XL 8 mm probe’s position while the machine remains in full operation.
This specific configuration features a 10.5-inch (267 mm) penetration length and a 3/4-14 NPT mounting thread, making it compatible with deep-bore bearing housings. The inclusion of a 0.5-inch standoff adapter ensures there is sufficient clearance for external cabling and connector protection, allowing for seamless integration into diverse machine frame designs.
A primary operational advantage is the ability to perform external probe gap adjustments without shutting down the target machinery. This "live adjustment" capability significantly reduces maintenance downtime and enhances safety, as technicians can optimize the 3300 XL 8 mm probe’s position while the machine remains in full operation.
Engineered for "Application Factories" such as offshore oil platforms and chemical processing plants, the housing is constructed from 303 and 304 stainless steel. This premium material selection provides exceptional resistance to salt spray, high humidity, and corrosive atmospheric contaminants that would typically degrade standard aluminum housings.
The assembly is fully certified for hazardous areas, meeting CSA (Class I, Div 1 & 2) and ATEX/IECEx safety requirements for explosive atmospheres. Rated as a Type 4 enclosure, it ensures the internal 0.5-meter probe cable and electronic connections remain completely sealed against severe weather and high-pressure industrial washdowns.
For high-vibration environments, the assembly includes specialized cable seal grips and fittings (Option 03) to maintain signal integrity. Since the total extension exceeds 12 inches, this robust design prevents mechanical resonance, ensuring that the 3300 XL 8 mm sensor delivers precise, noise-free data for the facility's machinery protection system.
The assembly is fully certified for hazardous areas, meeting CSA (Class I, Div 1 & 2) and ATEX/IECEx safety requirements for explosive atmospheres. Rated as a Type 4 enclosure, it ensures the internal 0.5-meter probe cable and electronic connections remain completely sealed against severe weather and high-pressure industrial washdowns.
For high-vibration environments, the assembly includes specialized cable seal grips and fittings (Option 03) to maintain signal integrity. Since the total extension exceeds 12 inches, this robust design prevents mechanical resonance, ensuring that the 3300 XL 8 mm sensor delivers precise, noise-free data for the facility's machinery protection system.
FAQ View All FAQ
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How does the 24701-28-05-05-105-03-02 meet API 670 industry standards?This model is specifically designed to fulfill API 670 requirements for external probe housings. It provides a robust, weather-tight, and explosion-proof enclosure that ensures the probe remains protected while allowing for gap adjustments from outside the machine casing, serving as a standard configuration for machinery protection.
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Does the 24701-28-05-05-105-03-02 allow for probe gap adjustment without stopping the machine?Yes, the primary advantage of this housing assembly is its external access design. By loosening the locknut on the housing, maintenance personnel can safely adjust the probe's position and voltage gap while the machinery is running. This design significantly reduces maintenance downtime and improves operational safety during live adjustments.
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What are the benefits of choosing the stainless steel 24701-28-05-05-105-03-02 over the aluminum 21000 series?The 24701 series features a 303 stainless steel body, offering superior corrosion resistance compared to aluminum. For offshore platforms, chemical plants, or extreme environments with salt spray, the stainless steel material effectively prevents oxidation and thread seizing, ensuring the probe remains adjustable over years of operation.
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What installation precautions are needed for the 10.5-inch sleeve of the 24701-28-05-05-105-03-02?Since this model features a 10.5-inch probe penetration, it is considered a relatively long specification. During installation, it is crucial to ensure mounting rigidity to prevent sleeve resonance at machine frequencies. While API 670 mandates supports for lengths over 12 inches, stability should still be verified at 10.5 inches to avoid signal noise.
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What does the -28 option code for the 24701-28-05-05-105-03-02 represent in hazardous area applications?The -28 code signifies that the included 3300 XL 8mm probe carries multiple agency approvals. This means the entire assembly (housing and probe) complies with global explosion-proof standards like ATEX, IECEx, and CSA, allowing for compliant use in high-risk Class I, Div 1 or Zone 0/1 areas in industries like oil and gas.
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