Bently Nevada 21000-28-10-00-217-04-02
Bently Nevada 21000-28-10-00-217-04-02
Bently Nevada 21000-28-10-00-217-04-02
Bently Nevada 21000-28-10-00-217-04-02
Bently Nevada 21000-28-10-00-217-04-02
Bently Nevada 21000-28-10-00-217-04-02
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21000-28-10-00-217-04-02

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Bently Nevada 21000-28-10-00-217-04-02 Proximity Probe Housing Assembly is a rugged, explosion-proof enclosure designed for externally mounting 3300 XL 8 mm probes in hazardous industrial environments.
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Technical specifications for 21000-28-10-00-217-04-02

  • Manufacturer:
    Bently Nevada
  • Part Number:
    21000-28-10-00-217-04-02
  • Product Family:
    21000, 24701, and 164818 Proximity Probe Housing A
  • Probe with Connector:
    3300 XL 8mm probe, selectable hazardous area approvals
  • Probe Cable Length:
    1.0 m (39 in)
  • Standoff Adapter (Option C Dimension):
    No standoff adapter
  • Probe Penetration (Option D Dimension):
    21.7 in Fittings One 3/4-14 NPT plug only
  • Mounting Thread:
    3/4-14 NPT
  • Material:
    Aluminum body with 304 stainless steel sleeve
  • Weight:
    1.34 kg
  • Estimated shipping dimensions:
    8.5x8.5x75.5cm
  • Tariff Code:
    8486403900
  • 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 Performance Applications Environmental Ratings

Features:

  • Explosion-Proof Proximity Probe Housing Protects 3300 XL 8 mm Probes In Hazardous Areas
  • Aluminum Body With Stainless Steel Sleeve Ensures Durable And Reliable Installation
  • Flexible Design Supports Multiple Mounting Options And Standard 3/4-14 NPT Threads
The Bently Nevada 21000-28-10-00-217-04-02 Proximity Probe Housing Assembly is engineered to provide secure external mounting for 3300 XL 8 mm probes, addressing the need for precise shaft position and vibration monitoring in harsh and potentially explosive industrial environments. Its explosion-proof design ensures safe operation while protecting sensitive probes from moisture, dust, and mechanical impact.

This housing assembly is ideal for use on turbines, compressors, pumps, generators, and electric motors. With a probe cable length of 1.0 m (39 in) and compatibility with optional standoff adapters, the 21000-28-10-00-217-04-02 allows flexible installation to accommodate various machinery layouts. The aluminum body combined with a 304 stainless steel sleeve offers robust durability while keeping the assembly lightweight and easy to handle.

Compared with similar Bently Nevada housing assemblies, such as the 24701 stainless steel model, the 21000-28-10-00-217-04-02 provides an optimal balance between strength, weight, and installation flexibility. Its integrated dome cover, threaded ports for conduit, O-rings, and optional conduit fittings make it a complete solution for externally mounting proximity probes while maintaining CSA-approved explosion-proof protection in hazardous areas.

The 21000-28-10-00-217-04-02 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 21000-28-10-00-217-04-02 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 21000-28-10-00-217-04-02 Proximity Probe Housing Assemblies Specs

General

  • Manufacturer GE / Bently Nevada
  • Model 21000-28-10-00-217-04-02
  • Condition New Original ready stock
  • Product Family 21000-28-10-00-217-04-10,21000-28-10-00-217-04-05,21000-28-10-00-217-05-02
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.
  • Linear Range: 80 mils (2.0 mm), standard sensitivity 200 mV/mil (7.87 V/mm).
  • Frequency Response: 0 Hz to 10 kHz, capable of capturing the full range of signals from static displacement to high-frequency vibration.
  • Interchangeability: Designed to conform to highly standardized electrical characteristics, ensuring extremely high interchangeability of probes with the same system length (5m or 9m).
  • Resolution: Micrometer-level measurement accuracy, effectively identifying extremely small mechanical anomalies within bearings.
  • Radial Vibration: Mounted in pairs (X-Y) on sliding bearings to monitor shaft trajectory analysis and operational stability.
  • Axial Displacement: Monitors the longitudinal movement of the shaft relative to the thrust bearing as a critical shutdown protection parameter.
  • Keyphasor: Mounted in the keyway of the shaft, providing a voltage pulse per revolution for speed measurement and phase analysis.
  • Core Equipment: Widely used in steam turbines, centrifugal compressors, large motors, and pumps in operation worldwide.
  • Operating Temperature: The probe and cable withstand temperatures from -34°C to +177°C (-30°F to +350°F).
  • Sealing: Hermetically sealed design with highly chemical-resistant polyphenylene sulfide (PPS) material at the tips.
  • Pressure Resistance: The probe head is designed to withstand oil pressure inside the bearing housing, typically up to 50 psi.
  • Hazardous Area Certification: Compliant with ATEX/IECEx and CSA standards, suitable for Zone 0 and Zone 1 environments involving flammable and explosive materials such as those found in the petroleum and petrochemical industries.
Description
The Bently Nevada 21000-28-10-00-217-04-02 Proximity Probe Housing Assembly is designed to protect and securely mount 3300 XL 8 mm proximity probes in challenging industrial environments. It addresses the need for reliable, accurate shaft position and vibration measurements while ensuring safety in potentially explosive areas. By housing the probe in a robust aluminum body with a 304 stainless steel sleeve, this assembly shields sensitive components from mechanical damage, contaminants, and extreme conditions.

This housing assembly is ideal for applications on turbines, compressors, pumps, motors, and generators where external probe mounting is required. The 21000-28-10-00-217-04-02 features a probe cable length of 1.0 m (39 in) and supports standard 3/4-14 NPT mounting threads. It can be used with or without standoff adapters and accommodates one 3/4-14 NPT plug, providing flexible installation options for various machinery layouts. The assembly integrates easily with Canadian Standards Association (CSA) approved systems, offering explosion-proof protection for hazardous areas.

The 21000-28-10-00-217-04-02 assembly includes a dome cover, threaded ports for conduit connections, optional probe sleeves, O-rings, a reverse-mount proximity probe, thread seal, optional conduit fittings, and an optional standoff adapter. Compared with similar housing models such as the 24701 stainless steel assembly, the 21000 series offers a lightweight aluminum body with robust durability and easier installation, making it particularly suited for industrial operations where weight and flexibility are considerations.

With its precision-engineered construction, the 21000-28-10-00-217-04-02 ensures accurate alignment of proximity probes while providing long-term protection against vibration, moisture, and environmental contaminants. Its combination of durability, compatibility with 3300 XL 8 mm probes, and CSA explosion-proof certification makes it an ideal choice for operators seeking reliable and safe machinery monitoring solutions.
Alternative Names
21000-28-05-00-100-04-02 21000-28-10-00-150-04-02 21000-28-10-00-200-04-02 21000-28-10-00-250-04-02 21000-28-15-00-217-04-02
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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.
Does it include a standoff adapter?
No, the 21000-28-10-00-217-04-02 is supplied without a standoff adapter.
What is the standard probe cable length?
The assembly comes with a 1.0 m (39 in) probe cable.
What materials are used in construction?
The assembly features an aluminum body with a 304 stainless steel sleeve for durability and corrosion resistance.
What is the mounting thread specification?
The housing uses a 3/4-14 NPT mounting thread.