Bently Nevada 21000-28-05-35-028-00-02
Bently Nevada 21000-28-05-35-028-00-02
Bently Nevada 21000-28-05-35-028-00-02
Bently Nevada 21000-28-05-35-028-00-02
Bently Nevada 21000-28-05-35-028-00-02
Bently Nevada 21000-28-05-35-028-00-02
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21000-28-05-35-028-00-02

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The 21000-28-05-35-028-00-02 is a 21000 Series Proximity Probe Housing Assembly designed for use with 3300 XL 8 mm probes with selectable hazardous area approvals. This model features a 0.5 m (20 in) probe cable length.
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Technical specifications for 21000-28-05-35-028-00-02

  • Manufacturer:
    Bently Nevada
  • Part Number:
    21000-28-05-35-028-00-02
  • Product Family:
    21000, 24701, and 164818 Proximity Probe Housing A
  • Product Type:
    21000 Series Proximity Probe Housing Assembly
  • Compatible Probe:
    3300 XL 8 mm probe with selectable hazardous area approvals
  • Probe Cable Length:
    0.5 m (20 in)
  • Standoff Adapter:
    3.5 in
  • Probe Penetration:
    2.8 in
  • Mounting Thread:
    3/4-14 NPT
  • Fittings:
    Without fittings
  • Housing Material:
    Aluminum
  • Agency Approvals:
    CSA (explosion-proof for hazardous areas)
  • Enclosure Rating:
    CSA Type 4
  • Standard Compliance:
    API 670 (externally mounted proximity probe housings)
  • Key Benefit:
    Model 21000-28-05-35-028-00-02 provides CSA explosion-proof certification and CSA Type 4 enclosure rating for hazardous area compliance.
  • Weight:
    1.05 kg
  • Estimated shipping dimensions:
    30.5x8.5x8.5cm
  • Tariff Code:
    8525891900
  • 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 Application Performance and Efficiency Environmental Rating

Features:

  • The 21000-28-05-35-028-00-02 features a 3.5 in standoff adapter for positioning flexibility and 2.8 in probe penetration for precise measurement depth.
  • This model includes no fittings, providing a compact design for installations where fitting accessories are not required.
  • The 21000-28-05-35-028-00-02 is CSA approved as explosion-proof for hazardous areas and certified as a CSA Type 4 enclosure, with full compliance to API 670 Standard.
The 21000-28-05-35-028-00-02 is a 21000 Series Proximity Probe Housing Assembly designed for use with 3300 XL 8 mm probes featuring selectable hazardous area approvals. This model includes a 0.5 m (20 in) probe cable length, 3.5 in standoff adapter, and 2.8 in probe penetration. It utilizes a 3/4-14 NPT mounting thread and comes without fittings, offering a compact design for installations where fitting accessories are not required.

The assembly is CSA approved as explosion-proof for hazardous areas and certified as a CSA Type 4 enclosure, ensuring reliable operation in demanding environments. It is fully compliant with the American Petroleum Institute's API 670 Standard for externally mounted proximity probe housings. The 21000-28-05-35-028-00-02 is available for intrinsically safe applications requiring aluminum construction with selectable hazardous area approvals.

This housing assembly provides robust protection for 3300 XL 8 mm probes while maintaining accessibility for installation and maintenance. The 3.5 in standoff adapter and 2.8 in probe penetration offer balanced positioning flexibility for various machinery configurations, making it ideal for applications where moderate standoff distance is required.

The 21000-28-05-35-028-00-02 Bently Nevada Proximity Probe Housing Assemblies may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).

Bently Nevada 21000-28-05-35-028-00-02 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. All prices are shown in USD.
Bently Nevada 21000-28-05-35-028-00-02 Proximity Probe Housing Assemblies Specs

General

  • Manufacturer GE / Bently Nevada
  • Model 21000-28-05-35-028-00-02
  • Condition New Original ready stock
  • Product Family 21000-30-05-35-028-00-02,21000-31-05-35-028-00-02
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.
  • Heavy Industrial Machinery: Widely used for vibration and displacement monitoring of large steam turbines, centrifugal compressors, gearboxes, and fans.
  • External Installation Requirements: When the internal space or environment of the machine does not allow for direct installation of the probe bracket, this housing can be installed on the outside of the machine casing.
  • API 670 Compliance Scenarios: Fully compliant with API 670 standards for external probe installation, commonly used for critical asset protection in the oil, gas, and power industries.
  • Online Maintenance Efficiency: By unscrewing the dome cap on the top of the casing, technicians can quickly adjust the probe gap or replace damaged probes, greatly reducing downtime for maintenance.
  • Measurement Accuracy: With the 3300 XL 8mm probe, it provides linear measurement accuracy of up to ±1%, with a standard linear range of 2.0 mm (80 mils).
  • Mechanical Stability: The combination of a 6061 aluminum alloy body and a 304 stainless steel sleeve ensures both lightweight construction (approximately 1.1kg) and sufficient structural rigidity to reduce parasitic vibration interference.
  • Protection Rating: The enclosure is CSA Type 4 certified (equivalent to IP66), providing dust, rain, and corrosion protection.
  • Operating Temperature: -51 °C to +177 °C (-60 °F to +351 °F).
  • Explosion Protection Rating: CSA certified for Class I, Division 1 & 2, Groups C & D and Class II, Division 1 & 2, Groups E, F & G hazardous environments.
Description
The 21000-28-05-35-028-00-02 features a rugged aluminum housing designed for use with 3300 XL 8 mm probes with selectable hazardous area approvals. This model includes a 0.5 m (20 in) probe cable length, 3.5 in standoff adapter, and 2.8 in probe penetration for precise positioning in critical machinery applications. 

The 21000-28-05-35-028-00-02 is CSA approved as explosion-proof for hazardous areas and certified as a CSA Type 4 enclosure, ensuring reliable operation in demanding environments. This 21000 series assembly is fully compliant with the American Petroleum Institute's API 670 Standard for externally mounted proximity probe housings.

The 21000-28-05-35-028-00-02 provides robust protection for 3300 XL 8 mm probes while maintaining accessibility for installation and maintenance. With a 3.5 in standoff adapter and 2.8 in probe penetration, this housing assembly offers a balanced configuration for applications requiring moderate standoff distance. 

The 21000-28-05-35-028-00-02 represents a complete solution for externally mounted proximity probe installations in hazardous areas. This assembly addresses the pain point of probe protection in explosive environments through its CSA explosion-proof rating and Type 4 enclosure certification. 
Alternative Names
21000-30-05-35-028-00-02 21000-31-05-35-028-00-02 21000-32-05-35-028-00-02 21000-33-05-35-028-00-02
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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 flexibility does the 3.5 in standoff adapter provide for the 21000-28-05-35-028-00-02?
The 3.5 in standoff adapter allows probe positioning away from the machine casing, accommodating insulation layers or providing clearance for installation tools in tight spaces.
How does the 21000-28-05-35-028-00-02 maintain hazardous area integrity without fittings?
The assembly is designed to be installed directly with its 3/4-14 NPT mounting thread; field wiring is sealed at the cable entry point using appropriate conduit or seal fittings per local code requirements.
What makes the 21000-28-05-35-028-00-02 suitable for API 670 compliant installations?
Full compliance with API 670 standards ensures acceptance in petroleum industry applications, meeting strict requirements for externally mounted proximity probe housings in refineries and processing facilities.
Can the 21000-28-05-35-028-00-02 be used with stainless steel probes?
Yes, this housing is designed for use with 3300 XL 8 mm probes with selectable hazardous area approvals, and the aluminum housing is suitable for applications where corrosion resistance is not critical.

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