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21000-28-05-00-021-03-02

Proximity Probe Housing Assemblies
In Stock

Product Information:

21000, 24701, and 164818 Proximity Probe

Housing Assemblies

available with Canadian Standards

Association (CSA) approvals

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Technical specifications for 21000-28-05-00-021-03-02

  • Manufacturer:
    Bently Nevada
  • Product Category:
    TSI System
  • Estimated shipping dimensions:
    30.5x8.5x8.5cm
  • Weight:
    1.02 kg
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
  • Probe with Connector:
    3300 XL 8mm probe, selectable hazardous area approvals
  • Probe Cable Length:
    0.5 m (20 in)
  • Standoff Adapter:
    No standoff adapter
  • Probe Penetration:
    2.1 in (53.34 mm)
  • Fittings:
    One 3/4-14 NPT plug One 3/4-14 to 1/2-14 NPT reducer One cable seal grip with grommets for the following cable sizes: • 1/8 to 3/16 inches • 1/4 to 5/16 inches • 5/16 to 3/8 inches
  • Mounting Thread:
    3/4-14 NPT
  • Stock:
    30

Information

Overview Manuals Principle Core Application Areas

Features:

  • Proximity Probe Housing Assemblies
  • Aluminum body with 304 stainless steel sleeve
  • 21000 and 24701 Proximity Probe Housing Assemblies
The 21000 and 24701 Proximity Probe Housing Assemblies are available with Canadian Standards Association (CSA) approvals. They are rated explosion proof for hazardous areas. Bently Nevada offers a probe support and oil seal (part number 37948-01) for long sleeves that must go through an inner bearing housing.

To externally mount proximity probes, use one of these allmetal Proximity Probe Housing Assemblies: 21000 aluminum probe housing assembly; 24701 stainless steel probe housing assembly The 21000 and 24701 Proximity Probe Housing Assemblies consist of the following parts:A dome cover that screws into the body of the housing; Threaded ports for conduit connections; A probe sleeve of optional length; 0-rings; A reverse mount proximity probe; A thread seal; Optional conduit fittings; An optional standoff adapter.

The 21000-28-05-00-021-03-02 Bently Nevada Proximity Probe Housing Assemblies may still be available for purchase and support from Moore Automated Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 21000-28-05-00-021-03-02 Proximity Probe Housing Assemblies 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.
Eddy current proximity sensor or system component, commonly used in the monitoring of industrial rotating machinery. Its working principle is based on high-frequency electromagnetic field coupling and the eddy current effect, and it is mainly used for non-contact measurement of shaft vibration, displacement, or axial motion.
External Signal Monitoring: This device allows for the installation of proximity probes external to machine bearing housings, providing safe protection for real-time monitoring of the shafts of steam turbines, compressors, and large pumps.
 
Hazardous Area Safety: This component is certified for explosion-proof enclosures (CSA Type 4). It is specifically designed for hazardous areas with explosive gases (Class 1, Zone 1 and Zone 2), such as oil and gas refineries.
 
Machine Protection Compliance: The device is designed to comply with API 670, the industry benchmark for machine protection systems, ensuring that the enclosure meets the stringent mechanical and measurement requirements for externally mounted sensors.
 
Maintenance During Operation: Due to its external mounting method, technicians can adjust or replace probes and cables without disassembling the machine, significantly reducing maintenance downtime.

Ask our team:

  • How does the 21000-28-05-00-021-03-02 achieve high-resolution measurement accuracy in dynamic mechanical environments?
    The 21000-28-05-00-021-03-02 utilizes eddy current sensing principles, combined with optimized electromagnetic field stability, to provide linear, repeatable, and high-resolution displacement measurements even under fluctuating operating conditions.
  • Why is the 21000-28-05-00-021-03-02 particularly suitable for mission-critical turbomachinery applications?
    Designed for industrial-grade durability and long-term signal stability, the 21000-28-05-00-021-03-02 is ideal for turbines, compressors, pumps, and generators, where continuous monitoring is crucial for safe operation.
  • How does the 21000-28-05-00-021-03-02 facilitate predictive maintenance and equipment health diagnostics?
    The 21000-28-05-00-021-03-02 provides continuous analog displacement signals, enabling condition monitoring systems to detect early mechanical anomalies such as imbalance, misalignment, and bearing degradation.
  • In which types of mechanical systems is the 21000-28-05-00-021-03-02 typically used?
    The 21000-28-05-00-021-03-02 sensor is typically used in high-speed rotating machinery, including steam turbines, gas turbines, centrifugal compressors, and industrial pump assemblies.
  • Why is the 21000-28-05-00-021-03-02 crucial for preventing catastrophic mechanical failures?
    The 21000-28-05-00-021-03-02 can detect abnormal shaft behavior early, enabling protection systems to trigger alarms or shutdowns before serious mechanical damage occurs.
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Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.