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      Bently Nevada 21000-28-05-15-027-01-02
      Bently Nevada 21000-28-05-15-027-01-02
      · Product image is representative; revision or series may vary. Contact us to request a specific version.
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      21000-28-05-15-027-01-02

      Proximity Probe Housing Assemblies
      In Stock
      Ships by Friday, August 7
      Fast Shipping Available

      Product Information:

      The Bently Nevada 21000-28-05-15-027-01-02 is an explosion-proof aluminum eddy current probe external protective housing assembly designed and manufactured by Bently Nevada (a brand under Baker Hughes). As a crucial external physical protection component in rotating machinery condition monitoring and protection systems, it is primarily used in the housings of critical equipment such as industrial steam turbines, centrifugal compressors, large pumps, and fans.

      The Bently Nevada 21000-28-05-15-027-01-02 allows maintenance personnel to safely adjust, calibrate, or completely replace internal sensor probes directly from outside the equipment without disassembling bearing housings or shutting down the machine, thus providing underlying hardware physical support for high-availability continuous vibration and displacement monitoring in the field.

      In terms of industrial field applications and reliability, the 21000-28-05-15-027-01-02 meets high standards of industrial protection and HazLoc hazardous area compliance regulations. The entire assembly's rigid metal housing can withstand extreme ambient temperatures ranging from -51°C to +177°C, providing superior all-weather dust and water resistance. Internal O-rings and threaded gaskets ensure perfect physical airtightness, completely preventing lubricating oil vapor and high-temperature oil mist from leaking from the internal bearing housing into the external environment.

      Warranty Policy
      We provide 1-year warranty for all remaining parts.
      The warranty period is 1-year warranty from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
      Return Notice
      The warranty period is 1-year warranty from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
      In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
      Shipping Methods
      Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
      Parts Availability
      Moore Automated offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
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      Technical specifications for 21000-28-05-15-027-01-02

      • Manufacturer:
        Bently Nevada
      • Product Category:
        TSI System
      • Estimated shipping dimensions:
        15.2 x 20 x 14.8 cm
      • Weight:
        1.25 kg
      • Tariff Code:
        8537101190
      • Country of origin:
        USA
      • Place of shipment:
        Xiamen, Fujian, China
      • Product Type:
        Proximity Probe Housing Assemblies
      • Category Series:
        21000, 24701, and 164818 Proximity Probe Housing Assemblies
      • Probe with Connector:
        3300 XL 8mm probe, selectable hazardous area approvals
      • Probe Cable Length:
        0.5 m (20 in)
      • Standoff Adapter (Option C Dimension):
        1.5 in (38 mm)
      • Probe Penetration (Option D Dimension):
        2.7 in (68.58 mm)
      • Fittings:
        One 3/4-14 NPT explosion-proof fitting One 3/4-14 NPT plug
      • Mounting Thread:
        3/4-14 NPT
      • Operating and storage:
        -51°C to +177°C (-60°F to +351°F)
      • Material:
        Aluminum body with 304 stainless steel sleeve
      • Stock:
        100
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      Alternative Names

      210002805150270102 21000 28 05 15 027 01 02 2I000-28-05-I5-027-0I-02 21OOO-28-O5-15-O27-O1-O2 21000-2B-05-15-027-01-02 21000-28-05-15-027-01-01 21000-28-05-15-027-01-04 21000-28-05-15-027-01-CN 21000-28-05-15-027-01-BR 21000-28-05-15-027-01-RU 21000-28-05-15-027-01-US 21OOO-28-O5-15-O27-O1-O4 2I000-28-05-I5-027-0I-0I

      Information

      Overview Manuals General Info Components Field Installation & Maintenance Insights

      Features:

      • Proximity Probe Housing Assemblies
      • Aluminum body with 304 stainless steel sleeve
      • 21000, 24701, and 164818 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 21000-28-05-15-027-01-02 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 21000-28-05-15-027-01-02 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.
      • Model: 21000-28-05-15-027-01-02
      • Warranty: One-year warranty
      • Condition: Brand new, original, in stock
      • Product Family: 21000, 24701, and 164818 Proximity Probe Housing Assemblies
      Proximity Probe Housing Assemblies
      21000-Axx-Bxx-Cxx-Dxxx-Exx-Fxx

      A: Probe with Connector
      00: Probe not required
      14: 420 nuclear
      16: 3300 XL 8mm probe
      26: 3300 XL NSv probe
      27: 3300 XL NSv probe, selectable hazardous area approvals
      28: 3300 XL 8mm probe, selectable hazardous area approvals
      29: 3300 XL 11mm probe
      30: 3300 XL 11mm probe, selectable hazardous area approvals
      31: 3300 XL NSv probe with connector protector
      32: 3300 XL NSv probe with connector protector, selectable hazardous area approvals
      33: 3300 XL 8mm probe with connector protector
      34: 3300 XL 8mm probe with connector protector, selectable hazardous area approvals
      35: 3300 XL 11mm probe with connector protector
      36: 3300 XL 11mm probe with connector protector, selectable hazardous area approvals
      37: 3300 XL 8mm probe, ETR, selectable hazardous area approvals (available for 21000 only)
       
      B: Probe Cable Length
      00: Probe cable not required
      05: 0.5 m (20 in)
      10: 1.0 m (39 in)
      12: 12.0 in
      18: 18.0 in
      24: 24.0 in
      30: 30.0 in
      36: 36.0 in
       
      C: Standoff Adapter (Option C Dimension)
      15: Minimum length 1.5 in (38 mm)
      75: Maximum length 7.5 in (191 mm)
      Examples
      1.5 in (38 mm) = 15
      No standoff adapter = 00
       
      D: Probe Penetration (Option D Dimension)
      10: Minimum length 1.0 in (25.4 mm)
      Examples
      3.7 in (94 mm) = 037
      22.4 in (569 mm) = 224
       
      E: Fittings
      00: Without fittings
      01: One 3/4-14 NPT explosion-proof fitting; One 3/4-14 NPT plug
      02: Two 3/4-14 NPT explosion-proof fittings
      03: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
      04: One 3/4-14 NPT plug only
       
      F: Mounting Thread
      01: As cast without threads
      02: 3/4-14 NPT
      04: 1/2-14 BSP
      Because the housing assembly uses a 0.5-meter short-tail fiber optic probe cable (-05), the miniature coaxial ClickLoc connector is encased within an aluminum protective junction box cover. During wiring, technicians must slide the original connector cover onto the coaxial connector to isolate loop capacitance and prevent oil mist or moisture from causing an incorrect "NOT OK" channel status on the 3500 rack. The 2.7-inch sleeve penetration depth is significantly less than the 12-inch threshold, meaning no additional custom internal sleeve supports or oil seals are needed to suppress rotor-induced harmonic vibrations. This specific component configuration is widely used in industrial plant maintenance processes to replace aging housings that comply with stringent North American and European HazLoc directives.

      Manuals

      Technical notes

      The Bently Nevada 21000-28-05-15-027-01-02 is an API 670 compliant explosion-proof external probe housing assembly with a built-in 3300 XL 8 mm probe, suitable for sensor installation and protection in mechanical environments. This configuration includes a 1.5-inch extension riser adapter, achieving a fixed penetration depth of 2.7 inches via 3/4-14 NPT threads.

      • Product Lifecycle Stage

        Active/Available from OEM

        Moore Automated provides high-quality replacement modules and spare parts for the 21000-28-05-15-027-01-02 and other Bently Nevada products. Our reliable solutions help reduce equipment downtime, improve maintenance efficiency, and ensure the continuous operation of critical rotating machinery protection systems.

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      FAQ

      View All Faqs
      • What are the main measurement functions of the vibration monitoring sensor in industrial rotating machinery applications?
        The 21000-28-05-15-027-01-02 is a precision-designed 3300 Series proximity measurement unit, specifically designed for high-precision monitoring of rotating equipment parameters, including shaft displacement, vibration characteristics, and rotor dynamic motion. It provides reliable sensing performance for critical machinery protection and predictive maintenance systems.
      • How does the 21000-28-05-15-027-01-02 achieve accurate displacement analysis using advanced proximity sensing technology?
        The 21000-28-05-15-027-01-02 employs advanced eddy current measurement technology to detect changes in the gap between the sensing element and the conductive target surface. This operating principle enables the 21000-28-05-15-027-01-02 to achieve non-contact displacement measurement, with excellent repeatability, high dynamic response, and superior signal stability.
      • What probe configuration specifications determine the sensing capabilities of the 21000-28-05-15-027-01-02?
        The 21000-28-05-15-027-01-02 employs an 8 mm proximity sensor configuration, providing optimized electromagnetic coupling characteristics, higher measurement sensitivity, and accurate shaft position monitoring for harsh industrial rotating equipment environments.
      • What are the cable length specifications for the 21000-28-05-15-027-01-02 to ensure installation flexibility?
        The 21000-28-05-15-027-01-02 uses a 5.0-meter cable configuration, allowing for extended installation distances between the sensor probe and monitoring electronics while maintaining calibrated electrical performance and reliable signal transmission.
      • How does the 21000-28-05-15-027-01-02 maintain measurement accuracy and linearity during continuous mechanical operation?
        The 21000-28-05-15-027-01-02 utilizes precision manufacturing processes and controllable electrical characteristics to achieve superior signal linearity, repeatability, and measurement consistency. It supports accurate vibration diagnostics and advanced mechanical condition assessment.
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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.
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