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21000-28-05-00-080-03-02

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The Bently Nevada 21000-28-05-00-080-03-02 is Proximity Probe Housing Assemblies designed for accurate vibration and position measurement in critical rotating machinery.
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Technical specifications for 21000-28-05-00-080-03-02

  • Manufacturer:
    Bently Nevada
  • Part Number:
    21000-28-05-00-080-03-02
  • Product Family:
    21000, 24701, and 164818 Proximity Probe Housing A
  • Operating Temperature:
    -35°C to +177°C
  • Storage Temperature:
    -50°C to +200°C
  • Humidity:
    95% non-condensing
  • Fittings:
    3/4-14 NPT
  • Connector Type:
    Standard Bently Nevada proximity connectors
  • Weight:
    1.1 kg
  • Estimated shipping dimensions:
    20.32x8.33x16.16cm
  • Tariff Code:
    90319000
  • 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 Diagnostics Operating Applications

Features:

  • Factory-integrated 3300 XL 8mm probe with hazardous area approvals.
  • Direct machine mounting with 8.0-inch probe penetration.
  • Multi-diameter cable seal grip for flexible field wiring.
This configuration eliminates separate probe procurement and field assembly. With AA=28, the probe comes pre-installed with selectable hazardous area approvals, ensuring immediate compatibility with CSA-certified explosion-proof installations when paired with the appropriate housing version (CA21000) and fitting options (E:00, E:01, E:02, or E:04). This integrated design reduces installation time, minimizes potential assembly errors, and guarantees proper probe-to-housing fit.

With Option C=00 (no standoff adapter) and Option D=080 (8.0 inches), this assembly mounts directly to the machine case using 3/4-14 NPT threads (Option F=02). The 8.0-inch penetration length is well within the 300 mm (12-inch) threshold that would otherwise require additional sleeve support (part number 37948-01), simplifying installation while still providing sufficient reach for deep bearing housing applications in large rotating machinery such as turbines and compressors.

The E=03 fittings package includes one 3/4-14 NPT plug, one 3/4-14 to 1/2-14 NPT reducer, and a cable seal grip with interchangeable grommets. This seal grip supports three cable diameter ranges: 1/8 to 3/16 inches, 1/4 to 5/16 inches, and 5/16 to 3/8 inches. This flexibility allows the housing to accept various customer-supplied cables for signal routing from the probe's integral 0.5-meter cable to the proximitor, simplifying field wiring and reducing the need for multiple adapter parts.

The 21000-28-05-00-080-03-02 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 21000-28-05-00-080-03-02 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.
Bently Nevada 21000-28-05-00-080-03-02 Proximity Probe Housing Assemblies

General

  • Manufacturer Bently Nevada
  • Model 21000-28-05-00-080-03-02
  • Condition New Original ready stock
  • Product Family 21000-28-05-00-040-03-02,21000-28-05-00-050-03-02,21000-28-05-00-060-03-02
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.
  • The Proximity Probe Housing Assemblies supports accurate signal diagnostics by maintaining stable transmission characteristics. This helps identify probe or sensor issues without signal distortion.
  • Shielding reduces noise-related diagnostic errors. This ensures reliable condition monitoring data.
  • Enables early detection of cable degradation through signal quality changes. Maintenance teams can act proactively.
  • Compatible with system-level diagnostic tools. It integrates seamlessly into predictive maintenance systems.
  • The Proximity Probe Housing Assemblies operates passively within proximity probe systems. It requires no configuration or calibration.
  • It maintains stable performance across wide temperature ranges. This ensures consistent operation in harsh environments.
  • Flexible design allows easy routing in tight installations. This simplifies deployment.
  • Designed for long-term continuous operation. It supports critical industrial processes without interruption.
  • Used in turbines for vibration monitoring. Ensures safe and efficient operation.
  • Applied in compressors and pumps. Helps detect misalignment and imbalance.
  • Essential in power generation plants. Supports predictive maintenance programs.
  • Widely used in oil & gas industries. Enhances reliability of critical rotating equipment.
Description
The Bently Nevada 21000-28-05-00-080-03-02 is a factory-assembled proximity probe system component that combines a 21000 series aluminum housing with a pre-installed 3300 XL 8mm reverse mount probe. This assembly is specifically engineered for continuous, non-contact measurement of shaft vibration, displacement, and position in critical rotating equipment such as steam and gas turbines, compressors, and large pumps. The integrated design eliminates the need for separate housing and probe procurement, simplifying installation and ensuring proper compatibility.

Designed for demanding industrial environments, the Bently Nevada 21000-28-05-00-080-03-02 is built with a corrosion-resistant aluminum body and a 304 stainless steel sleeve. It is CSA Type 4 rated for indoor and outdoor use and fully complies with API 670 standards for externally mounted proximity probe housings. The optional hazardous area approvals (included with AA=28) make this assembly suitable for installation in Class I, Divisions 1 and 2 environments. For applications where the total probe penetration length exceeds 300 mm (12 inches), additional sleeve support is required; however, at 8.0 inches (203 mm), this configuration operates safely without supplemental support.

The Bently Nevada 21000-28-05-00-080-03-02 is fully compatible with Bently Nevada 3300 XL monitoring systems, including the associated proximitor and extension cable components. The pre-installed 3300 XL 8mm probe with hazardous area approvals ensures accurate signal transmission with minimal drift, enabling early detection of bearing wear, shaft imbalance, misalignment, and other mechanical faults. This assembly is widely deployed in power generation, oil and gas, petrochemical, and heavy manufacturing industries as part of predictive maintenance and machinery protection strategies.

Alternative Names
21000-28-05-00-040-03-02 21000-28-05-00-050-03-02 21000-28-05-00-060-03-02 21000-28-05-00-070-03-02 21000-28-05-00-090-03-02
Technical notes
The Bently Nevada 21000-28-05-00-080-03-02 is a complete proximity probe housing assembly that includes a pre-installed 3300 XL 8mm reverse mount probe with hazardous area approvals and an integral 0.5-meter probe cable, not an extension cable.
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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 is the Bently Nevada 21000-28-05-00-080-03-02?
The Bently Nevada 21000-28-05-00-080-03-02 is a complete proximity probe housing assembly that includes an aluminum housing, a 304 stainless steel sleeve, and a factory-installed 3300 XL 8mm reverse mount probe with hazardous area approvals and a 0.5-meter integral cable.
What type of machinery is this product used for?
The Bently Nevada 21000-28-05-00-080-03-02 is used for continuous, non-contact vibration and shaft position monitoring in critical rotating machinery, including steam turbines, gas turbines, centrifugal compressors, large pumps, and generators.
Which industries commonly use this product?
It is widely deployed in power generation plants, oil & gas facilities, petrochemical complexes, and heavy manufacturing industries as part of predictive maintenance and machinery protection systems.
What measurements can I perform with this assembly?
When connected to a compatible proximitor, the assembly provides non-contact measurement of shaft vibration (radial and axial), shaft displacement, and thrust position. It enables early detection of imbalance, misalignment, bearing wear, and other mechanical faults.