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21000-28-05-00-052-03-02

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The 21000-28-05-00-052-03-02 type proximity probe housing assembly is an aluminum probe housing assembly equipped with a 3300 XL 8mm probe, which has optional hazardous area certification, making it suitable for potentially explosive environments.
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Technical specifications for 21000-28-05-00-052-03-02

  • Manufacturer:
    Bently Nevada
  • Part Number:
    21000-28-05-00-052-03-02
  • Product Family:
    21000, 24701, and 164818 Proximity Probe Housing A
  • Probe Cable:
    0.5 m (20 in)
  • Standoff Adapter:
    No standoff adapter
  • Probe Penetration:
    5.2 in
  • Mounting Thread:
    3/4-14 NPT
  • 3300 XL 8mm Probe Operating and storage:
    -51°C to +177°C (-60°F to +351°F)
  • Probe with Connector:
    3300 XL 8mm probe, selectable hazardous area approvals
  • Weight:
    1.05 kg
  • Estimated shipping dimensions:
    30.5x8.5x8.5cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Use Cases Environmental Ratings Performance & Efficiency

Features:

  • Connection Point Between Hazardous Environment and Precision Proximity Sensing
  • Integrates Explosion-Proof Protection with Flexible Probe Installation
  • Functions Alongside 3300 XL 8mm Probes and Industrial Monitoring Systems
The 21000-28-05-00-052-03-02 serves as a complete aluminum probe housing assembly designed for external mounting of proximity probes in demanding industrial applications. It continuously protects the internal 3300 XL 8mm probe with selectable hazardous area approvals while maintaining a 5.2-inch probe penetration depth for accurate target measurement. Reliable cable sealing is standard with the 21000-28-05-00-052-03-02, utilizing the included cable seal grip with grommets that accommodate cable sizes from 1/8 to 3/8 inches to ensure environmental integrity. The 21000-28-05-00-052-03-02 incorporates CSA-rated explosion-proof certification within the housing assembly, representing an advancement in safe probe deployment for classified hazardous locations.

The 21000-28-05-00-052-03-02 provides essential protection functions critical to the entire proximity monitoring path, serving as a vital component of the measurement system that directly influences the accuracy and reliability of machinery condition monitoring. One housing assembly is required per probe installation point, with the 21000-28-05-00-052-03-02 configured for direct external mounting using its 3/4-14 NPT mounting thread. The assembly occupies minimal installation space and is always positioned at the machinery access point where probe-to-target alignment is optimized.

For applications requiring different material specifications, the 21000 series aluminum housing can be substituted with the 24701 stainless steel probe housing assembly or the 164818 variant. In addition to standard single-probe installations, the 21000-28-05-00-052-03-02 accommodates various configuration options. The housing assembly supports optional standoff adapters when the standard no-standoff configuration requires modification. Using this method, the 21000-28-05-00-052-03-02 maintains consistent probe positioning through its dome cover, threaded ports, probe sleeve, O-rings, and thread seal components, ensuring measurement stability even in vibration-intensive rotating equipment environments. If the application requires conduit connections, the housing provides threaded ports with optional conduit fittings for proper cable management.

The 21000-28-05-00-052-03-02 Bently Nevada Proximity Probe Housing Assembly may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 21000-28-05-00-052-03-02 Proximity Probe Housing Assembly Manuals,Datasheets,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. All prices are shown in USD.
Bently Nevada 21000-28-05-00-052-03-02 Proximity Probe Housing Assembly Specs

General

  • Manufacturer Bently Nevada
  • Model 21000-28-05-00-052-03-02
  • Condition New Original ready stock
  • Product Family 21000-28-05-00-052-03-01,21000-28-05-00-052-03-04
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • External Access: Allows operators to adjust the probe gap or replace the probe and extension cable without disassembling the machine.
  • Vibration Monitoring: Facilitates continuous monitoring of shaft vibration and position in industrial automation and condition monitoring systems.
  • Hazardous Area Monitoring: Ideal for environments requiring explosion-proof protection, such as oil and gas processing plants.
  • Explosion-Proof Certification: Rated by the Canadian Standards Association (CSA) for Class I, Divisions 1 & 2 (Groups C and D), and Class II, Divisions 1 & 2 (Groups E, F, and G).
  • Enclosure Rating: Certified as a CSA Type 4 enclosure, indicating protection against falling dirt, rain, sleet, snow, and windblown dust.
  • Temperature Range: Operates and survives in extreme conditions ranging from -51°C to +177°C (-60°F to +351°F).
  • Corrosion Resistance: Constructed with a lightweight aluminum body and a 304 stainless steel sleeve to resist environmental wear.
  • API 670 Compliance: Fully compliant with the American Petroleum Institute's (API) 670 Standard for externally mounted proximity probe housings, ensuring industry-standard performance.
  • Maintenance Efficiency: By providing external access, it reduces machine downtime during maintenance or sensor adjustment cycles.
  • Vibration Stability: The 21000 series is designed to withstand high industrial vibration; however, for penetration lengths exceeding 12 inches, additional sleeve support is required to prevent resonance.
  • Precision Sealing: Uses Viton O-rings and thread seals to maintain environmental integrity and protect the internal sensor components.
Description
The 21000-28-05-00-052-03-02 Proximity Probe Housing Assembly is an aluminum probe housing assembly specifically designed for externally mounting proximity probes in industrial monitoring applications. This housing assembly is engineered to provide secure and reliable installation of proximity probes in hazardous environments, ensuring continuous and accurate machinery condition monitoring.

The 21000-28-05-00-052-03-02 model comes equipped with a 3300 XL 8mm probe featuring selectable hazardous area approvals, making it suitable for deployment in potentially explosive atmospheres. The assembly includes a 0.5-meter (20-inch) probe cable and offers a probe penetration depth of 5.2 inches, allowing for precise positioning relative to the monitored machinery surface. The housing features a 3/4-14 NPT mounting thread and includes essential fittings: one 3/4-14 NPT plug, one 3/4-14 to 1/2-14 NPT reducer, and one cable seal grip with grommets accommodating cable sizes ranging from 1/8 to 3/8 inches.

The 21000-28-05-00-052-03-02 Proximity Probe Housing Assembly is specifically designed for external mounting of proximity probes on rotating machinery such as turbines, compressors, pumps, and motors. This housing assembly addresses the critical need for reliable vibration and position monitoring in hazardous industrial environments where explosion protection is mandatory. By providing a CSA-rated explosion-proof enclosure, the 21000-28-05-00-052-03-02 ensures safe probe installation while maintaining measurement accuracy, effectively solving the challenge of deploying proximity sensors in classified hazardous areas without compromising system integrity or personnel safety.
Alternative Names
21000-28-05-00-052-03-01 21000-28-05-00-052-03-04 21000-28-05-00-052-04-02 21000-28-05-00-052-02-02 21000-28-05-00-052-01-02
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What installation features and fittings are provided?
The unit features a 3/4-14 NPT mounting thread for secure installation. It includes a 3/4-14 NPT plug, a 3/4-14 to 1/2-14 NPT reducer, and a cable seal grip with multiple grommets that support cable sizes from 1/8 to 3/8 inches.
In which applications is this housing assembly typically used?
The 21000-28-05-00-052-03-02 is commonly used on rotating machinery such as turbines, compressors, pumps, and motors. It is ideal for industries that require continuous machinery condition monitoring, including oil & gas and heavy industrial sectors.
How does the assembly ensure safety in hazardous environments?
This model is designed with CSA-rated explosion-proof protection, allowing safe installation in classified hazardous areas. It ensures that proximity probes can operate reliably without posing risks to personnel or equipment.

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