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- Bently Nevada
- 21000, 24701, and 164818 ProbeHousing Assemblies
- 21000-28-05-00-133-04-02
In Stock
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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.
We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online.
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 21000-28-05-00-133-04-02
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Product Model21000-28-05-00-133-04-02
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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 Size30.5x8.5x8.5cm
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ManufacturerBently Nevada
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Weight1.05 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 AdapterNo standoff adapter
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Probe Penetration13.3 in (337.82 mm)
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FittingsOne 3/4-14 NPT plug only
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Mounting Thread3/4-14 NPT
Description
The Bently Nevada 21000-28-05-00-133-04-02 is an aluminum Proximity Probe Housing Assembly designed for externally mounting proximity probes in machinery condition monitoring applications. The 21000 provides a robust, all-metal enclosure that protects the proximity probe and its connections in demanding industrial environments.
The Bently Nevada 21000-28-05-00-133-04-02 is available with Canadian Standards Association (CSA) approvals and is rated explosion-proof for hazardous area applications.The 21000 is fully compliant with the American Petroleum Institute's (API) 670 Standard for externally mounted proximity probe housings.
The Bently Nevada 21000-28-05-00-133-04-02 consists of a complete assembly including a dome cover that screws into the body of the housing, threaded ports for conduit connections, a probe sleeve of optional length, O-rings, a reverse mount proximity probe, a thread seal, and optional conduit fittings and standoff adapter.
The Bently Nevada 21000-28-05-00-133-04-02 is available with Canadian Standards Association (CSA) approvals and is rated explosion-proof for hazardous area applications.The 21000 is fully compliant with the American Petroleum Institute's (API) 670 Standard for externally mounted proximity probe housings.
The Bently Nevada 21000-28-05-00-133-04-02 consists of a complete assembly including a dome cover that screws into the body of the housing, threaded ports for conduit connections, a probe sleeve of optional length, O-rings, a reverse mount proximity probe, a thread seal, and optional conduit fittings and standoff adapter.
Alternative Names
21000-28-05-00-133-04-O2
21000-28-05-00-133-O4-02
21000-28-05-00-I33-04-02
21000-28-05-0O-133-04-02
21000-28-O5-00-133-04-02
2100O-28-05-00-133-04-02
2I000-28-05-00-133-04-02
21000-28-05-00-133-04-00
21000-28-05-00-133-04-04
21000-28-05-00-133-04-CN
Information
Overview
Manuals
Application Notes
Product Applications
Physical Connections
Features:
- Aluminum Probe Housing Assembly
- CSA Certified Explosion-Proof for Hazardous Areas
- API 670 Standard Compliant
- Complete Assembly with Dome Cover, Probe Sleeve, and O-Rings
The assembly includes a dome cover that screws into the housing body, threaded ports for conduit connections, O-ring seals, a thread seal, and a single 3/4-14 NPT plug fitting. The probe sleeve extends 13.3 inches (337.8 mm) from the mounting surface with no standoff adapter, providing deep penetration for installations requiring substantial reach into the machine case. The 0.5-meter (20-inch) probe cable is fully enclosed within the housing and sleeve.
The 21000-28-05-00-133-04-02 Bently Nevada Proximity Probe HousingAssemblies may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 21000-28-05-00-133-04-02 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.
The 3/4-14 NPT mounting thread is machined with approximately 5–7 full threads to increase mounting strength and mechanical stability. The housing is certified by the Canadian Standards Association (CSA) as explosion-proof for hazardous area applications and meets the American Petroleum Institute (API) 670 Standard for externally mounted proximity probe housings. It is also certified as a CSA Type 4 enclosure, providing protection against dust and water ingress.
For probe penetration lengths exceeding 304 mm (12 inches), additional sleeve support (such as Bently Nevada part number 37948-01 probe support and oil seal) is required to prevent resonance from unsupported long sleeve lengths. The adjustment range for probe penetration is ±13 mm (±0.5 in).
- Oil/Gas/Petrochemical: Protects turbomachinery like compressors, blowers, and pumps in volatile environments
- Power Generation: Deployed on turbines, generators, and feed pumps to ensure uptime and prevent destruction
- Mining/Manufacturing: Utilized on gearboxes, ID/FD fans, and large electric motors
- Shaft Deflection: Measures microscopic radial shaft movements relative to journal bearings
- Malfunction Diagnostics: Delivers high-fidelity data to detect unbalance, misalignment, looseness, and bearing instabilities
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.
Probe to Extension Cable: Connect the reverse-mounted probe's coaxial cable to the corresponding extension cable. Ensure the connection is fully tightened, then slide the protective connector sleeve (often called a "coaxial boot" or connector cover) over the junction to prevent moisture or oil ingress and accidental disconnection.
Extension Cable to Proximitor: Route the extension cable to the Proximitor (sensor) module. Attach the coaxial connector to the Proximitor input terminal. Be sure to torque it properly (if using standard Bently connectors, roughly finger-tight plus 1/8 to 1/4 turn).
Conduit Connection: The housing assembly uses a 3/4-14 NPT thread for conduit routing. Route your signal wires (e.g., standard 3-conductor shielded cable) through the conduit into the housing dome cover and secure them.
Technical notes
The Bently Nevada 21000-28-05-00-133-04-02 supports multiple mounting thread options. The 21000 options include 3/4-14 NPT, 1-11/2 NPT, 1/2-14 BSP, and 7/8-14 UNF-2A. For CA21000 housings, the mounting thread option F must be 02 (3/4-14 NPT). Options 02 and 03 for mounting threads have more threads than standard NPT threads; they have been machined to have approximately 5-7 full threads to increase mounting strength.
FAQs
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What is the 21000-28-05-00-133-04-02?
+The Bently Nevada 21000-28-05-00-133-04-02 is an explosion-proof Proximity Probe Housing Assembly -
Can I adjust the probe's gap without taking the machine apart?
+Yes, that is the primary function of this assembly. The housing allows for external access, meaning you can adjust the gap or replace the probe and extension cable externally without disassembling the machine itself. -
What materials are used in the construction?
+The housing assembly is typically built with a robust aluminum body and a corrosion-resistant 304 stainless steel sleeve to withstand harsh industrial environments. -
What is the primary purpose of this assembly?
+It serves as a robust enclosure to shield sensitive proximity sensors from physical impact, moisture, dust, and corrosive industrial atmospheres.
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Disclaimer: Amikon Limited sells new and surplus products and develops channels for purchasing such products. Amikon Limited is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Amikon Limited is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. Amikon Limited is not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
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32D UNITS,GUOMAO BUILDING,NO 388 HUBIN SOUTH ROAD,SIMING DISTRICT,XIAMEN