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- Bently Nevada
- 21000, 24701, and 164818 ProbeHousing Assemblies
- 21000-28-05-40-028-04-02
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 21000-28-05-40-028-04-02
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Product Model21000-28-05-40-028-04-02
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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 Adapter4.0 in
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Probe Penetration2.8 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 21000-28-05-40-028-04-02 is an aluminum proximity probe housing assembly for externally mounting proximity probes on rotating machinery. The 21000-28-05-40-028-04-02 consists of 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 a cable seal grip with grommets. This comprehensive assembly of the 21000-28-05-40-028-04-02 provides a complete solution for protecting and positioning the proximity probe in demanding industrial environments.
The 21000-28-05-40-028-04-02 includes a 3300XL 8mm reverse mount proximity probe with 3/8-24 UNF threads and a 5.0-metre (16.4-foot) probe cable. The reverse mount configuration of the 21000-28-05-40-028-04-02 allows the probe to be installed from the exterior of the machine case, with the probe tip extending inward toward the target surface. The probe sleeve length of the 21000-28-05-40-028-04-02 is 4.0 inches (101.6 mm), with a probe penetration adjustment of 2.8 inches (71.1 mm), providing an adjustment range of ±0.5 inch (13 mm) to accommodate various machine case thicknesses and mounting requirements.
The 21000-28-05-40-028-04-02 includes a 3300XL 8mm reverse mount proximity probe with 3/8-24 UNF threads and a 5.0-metre (16.4-foot) probe cable. The reverse mount configuration of the 21000-28-05-40-028-04-02 allows the probe to be installed from the exterior of the machine case, with the probe tip extending inward toward the target surface. The probe sleeve length of the 21000-28-05-40-028-04-02 is 4.0 inches (101.6 mm), with a probe penetration adjustment of 2.8 inches (71.1 mm), providing an adjustment range of ±0.5 inch (13 mm) to accommodate various machine case thicknesses and mounting requirements.
Alternative Names
21000-28-05-40-028-04-0Z
21000-28-05-40-028-04-O2
21000-28-05-40-028-O4-02
21000-28-05-40-02B-04-02
21000-28-05-40-0Z8-04-02
21000-28-05-40-O28-04-02
21000-28-05-4O-028-04-02
21000-28-O5-40-028-04-02
21000-2B-05-40-028-04-02
21000-Z8-05-40-028-04-02
2I000-28-05-40-028-04-02
21000 28 05 40 028 04 0Z
21000 28 05 40 028 04 O2
21000 28 05 40 028 O4 O2
21000 28 05 40 0Z8 04 O2
21000 28 05 40 O28 04 O2
21000 28 05 4O 028 04 O2
21000 28 O5 40 028 04 O2
21000 ZB 05 40 028 04 O2
2I000 28 05 40 028 04 O2
21000-28-05-40-028-04-01
21000-28-05-40-028-04-04
Information
Overview
Manuals
Application Notes
Product Applications
Mechanical Insertion Guide
Features:
- Aluminum Probe Housing Assembly for External Proximity Probe Mounting
- Integrated 3300XL 8mm Reverse Mount Probe with 3/8-24 UNF Threads
- 4.0-Inch Probe Sleeve with 2.8-Inch Penetration Adjustment
- CSA Explosion-Proof and Type 4 Enclosure Rated
- 3/4-14 NPT Mounting Thread with Cable Seal Grip
The 21000-28-05-40-028-04-02 includes a 3300 XL 8 mm reverse mount proximity probe with a 0.5-meter cable and selectable hazardous area approvals. The standoff adapter on the 21000-28-05-40-028-04-02 provides a 4.0-inch extension, and the probe penetration depth is 2.8 inches. The mounting thread on the 21000-28-05-40-028-04-02 is 3/4-14 NPT.
Use of the 21000-28-05-40-028-04-02 housing allows external access to the proximity probe and its extension cable, permitting gap adjustment or probe replacement without disassembly of the machine. The aluminum body of the 21000-28-05-40-028-04-02 is paired with a 304 stainless steel sleeve for corrosion resistance and durability.
The 21000-28-05-40-028-04-02 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 21000-28-05-40-028-04-02 Proximity Probe HousingAssemblies 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 21000-28-05-40-028-04-02 is certified as a CSA Type 4 enclosure and is fully compliant with the American Petroleum Institute's (API) 670 Standard for externally mounted proximity probe housings. The 21000-28-05-40-028-04-02 is rated explosion proof for hazardous areas including Class I Divisions 1 and 2 Groups C and D, and Groups E, F, and G. The probe included in the 21000-28-05-40-028-04-02 operates over a temperature range of –51°C to +177°C.
Sleeve length on the 21000-28-05-40-028-04-02 is determined by the installation location. The probe lead must be longer than the sleeve. Sleeve lengths longer than 304 mm (12 inches) require additional sleeve support to reduce vibration associated with unsupported long sleeve lengths. A probe support/oil seal (P/N 37948-01) is available for long sleeves passing through an inner bearing housing.
- Steam/Gas Turbines: Protects high-speed power generation components from catastrophic failure
- Centrifugal Compressors: Tracks shaft movement in petrochemical and pipeline transmission lines
- Industrial Pumps: Monitors heavy-duty fluid systems in water treatment and oil refining
- Motors/Generators: Monitors large bearing housings for structural decay or imbalance
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.
Preparation: Check that the machine casing is clean and verify the O-rings are seated properly in their grooves to maintain the CSA Type 4 environmental rating.
Mounting the Housing: Thread the 3/4-14 NPT mounting adapter into the process wall or machine case thread. Tighten to process specifications using standard thread sealant if required.
Probe Sleeve Alignment: Slide the rigid sleeve into the housing. The 2.8-inch penetration option determines how deep the probe tip sits near the target material.
Technical notes
The 21000-28-05-40-028-04-02 operates over a temperature range of -54°C to +100°C (-65°F to +212°F) for standard configurations, with high-temperature options extending to +177°C (+350°F). If the probe penetration length (C plus D) of the 21000-28-05-40-028-04-02 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, and custom sleeve lengths are also available upon request for the 21000-28-05-40-028-04-02.
FAQs
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What is the 21000-28-05-40-028-04-02?
+The Bently Nevada 21000-28-05-40-028-04-02 is a Proximity Probe Housing Assembly designed to securely mount, protect, and provide external access to vibration monitoring probes -
What is the purpose of the 21000 series housing assembly?
+The probe housing allows external access to the proximity probe and its extension cable. This means engineers can adjust the gap or replace the probe without having to disassemble the machinery. -
Is this assembly safe for hazardous industrial areas?
+Yes. The 21000 aluminum housing is certified as a CSA Type 4 enclosure and is rated explosion-proof when used with designated fittings (-04). It complies fully with the API 670 Standard for externally mounted sensor hardware.. -
What are the temperature limitations for this assembly?
+The housing itself handles harsh environments, while the included 3300 XL probe operates reliably within a temperature rating of -51 °C to +177 °C (-60 °F to +351 °F).
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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