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- Bently Nevada
- 21000, 24701, and 164818 ProbeHousing Assemblies
- 21000-28-05-15-012-04-02
In Stock
Ships by Tuesday, July 28
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We provide 1 year warranty for all remaining parts.
The warranty period is one year 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.
The warranty period is one year 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.
The warranty period is one year 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.
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.
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If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.
Amikon 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.
Technical specifications for 21000-28-05-15-012-04-02
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Product Model21000-28-05-15-012-04-02
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Product ParametersProximity Probe HousingAssemblies
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Tariff Code8537101190
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Country of originUSA
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size8.5x8.5x30.5cm
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ManufacturerBently Nevada
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Weight1.08 kg
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Probe with Connector3300 XL 8mm probe, selectablehazardous area approvals
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Probe Cable Length0.5 m (20 in)
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Standoff Adapter1.5 in (38 mm)
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Probe Penetration1.2 in
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FittingsOne 3/4-14 NPT plug only
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Mounting Thread3/4-14 NPT
Description
The Bently Nevada 21000-28-05-15-012-04-02 Proximity Probe Housing Assembly is an all-metal aluminum housing for externally mounting proximity probes on industrial machinery. 21000 provides a robust, environmentally sealed enclosure that protects the proximity probe and its electrical connections while allowing precise positioning of the probe tip relative to the rotating shaft or target surface for accurate vibration and position measurement.
21000-28-05-15-012-04-02 is specifically for use with Bently Nevada proximity transducer systems including the 3300XL 8mm, 3300 5mm, 3300XL NSv, and 3300XL 11mm proximity probe families. 21000 houses a reverse mount proximity probe with 3/8-24 UNF threads, which is secured within the housing assembly and positioned so that the probe tip faces the target surface through the probe sleeve. The complete assembly of 21000 includes a dome cover that screws into the body of the housing, threaded ports for conduit connections, a probe sleeve of user-specified length, O-rings for sealing, a thread seal, and optional conduit fittings or standoff adapters.
21000-28-05-15-012-04-02 is specifically for use with Bently Nevada proximity transducer systems including the 3300XL 8mm, 3300 5mm, 3300XL NSv, and 3300XL 11mm proximity probe families. 21000 houses a reverse mount proximity probe with 3/8-24 UNF threads, which is secured within the housing assembly and positioned so that the probe tip faces the target surface through the probe sleeve. The complete assembly of 21000 includes a dome cover that screws into the body of the housing, threaded ports for conduit connections, a probe sleeve of user-specified length, O-rings for sealing, a thread seal, and optional conduit fittings or standoff adapters.
Information
Overview
Manuals
Application Notes
Product Applications
Insertion and Connection Guidelines
Features:
- Aluminum Probe Housing Assembly for External Mounting
- CSA Explosion-Proof Certification for Hazardous Areas
- Complete Assembly with Dome Cover, Probe Sleeve, and O-Rings
- 3/4-14 NPT Conduit Thread and Multiple Mounting Thread Options
This model is configured with a 3300 XL 8 mm proximity probe, a 0.5 m (20 in) probe cable, a 1.5 in (38 mm) standoff adapter, 1.2 in probe penetration, one 3/4-14 NPT plug, and a 3/4-14 NPT mounting thread. The assembly uses an aluminum housing body with a 304 stainless steel probe sleeve and is commonly installed on turbines, compressors, pumps, and other critical rotating equipment requiring reliable shaft position and vibration monitoring.
The 21000-28-05-15-012-04-02 Bently Nevada Proximity Probe Housing Assemblies may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 21000-28-05-15-012-04-02 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.
21000-28-05-15-012-04-02 is available with Canadian Standards Association (CSA) approvals for explosion-proof applications. The CA21000 versions of 21000 are certified by CSA for use in hazardous areas including Class I, Division 1, Groups B, C, and D. For CA21000 housings, the mounting thread option F must be 02 (3/4-14 NPT), and options 02 and 03 for mounting threads have been machined to have approximately 5-7 full threads to increase mounting strength, rather than the standard NPT thread count. Only CA versions of 21000-28-05-15-012-04-02 are rated as explosion-proof by CSA when ordered with the E:00, E:01, E:02, or E:04 fitting options.
The probe sleeve length for 21000-28-05-15-012-04-02 is determined by the installation location and the distance from the mounting surface to the target surface. The probe lead must be longer than the sleeve length to ensure adequate cable routing within the housing. For 21000 installations where the probe penetration length (C plus D) exceeds 300 mm (12 inches), additional sleeve support must be added near the probe to prevent resonance from occurring. Bently Nevada offers a probe support and oil seal (part number 37948-01) for long sleeves that must pass through an inner bearing housing. Custom sleeve lengths for 21000-28-05-15-012-04-02 are also available upon request.
- Power Generation: Measures vibration, thrust, and eccentricity on turbines and generators
- Oil & Gas: Installed on compressors, turbo-expanders, and high-pressure injection pumps
- Chemical/Petrochemical: Monitors fans, blowers, and agitators to prevent catastrophic failures
- Water/Wastewater: Tracks misalignment and bearing wear on cooling fans and effluent pumps
- Mining/Heavy Industry: Utilized on ball mills, crushers, and compressors in harsh environments
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Thread Mounting: Securely thread the housing into pre-tapped machine casing using the 3/4-14 NPT mounting threads. Use thread sealant to prevent oil/fluid leaks.
Probe Insertion: The probe's penetration depth is set by the 1.2 inch configuration combined with the standoff adapter. Ensure the probe tip is accurately gapped from the target material (usually about 50 to 100 mil depending on the application).
Alternative Names
21000-28-05-15-012-04-0Z
21000-28-05-15-012-04-O2
21000-28-05-15-012-O4-02
21000-28-05-15-0I2-04-02
21000-28-05-15-01Z-04-02
21000-28-05-I5-012-04-02
21000-28-O5-15-012-04-02
2I000-28-05-15-012-04-02
21000 28 05 15 012 04 02
21000 28 05 15 012 04 0Z
21000 28 05 15 012 04 O2
21000 28 05 15 012 O4 02
21000 28 05 15 0I2 04 02
21000 28 05 I5 012 04 02
21000 28 O5 15 012 04 02
2I000 28 05 15 012 04 02
21000-28051 012 04 02
21000-28-05-15-012-04-01
21000-28-05-15-012-04-04
Technical notes
21000 is fully compliant with the American Petroleum Institute's (API) 670 Standard for externally mounted proximity probes, making 21000 suitable for critical turbomachinery applications in the oil and gas, petrochemical, and power generation industries. The housing design of 21000 ensures that the proximity probe is mechanically protected from environmental contaminants, physical damage, and electromagnetic interference while maintaining the precise alignment required for accurate eddy current measurement.
FAQs
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What is the 21000-28-05-15-012-04-02?
+The Bently Nevada 21000-28-05-15-012-04-02 is a Proximity Probe Housing Assembly. -
What is the purpose of this assembly?
+It is for hazardous and industrial environments to protect sensitive vibration-monitoring sensors from moisture, dust, and pressure. It allows external access to the probe so technicians can service it without stopping the machine -
What probe is compatible with this housing?
+The suffix "-28" designates compatibility with the 3300 XL 8 mm Proximity Transducer System, as well as the 3300 XL NSv system. -
What are the standard housing materials?
+These assemblies are typically machined from rugged, corrosion-resistant materials, specifically an aluminum body with a 304 stainless steel sleeve.
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