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- 21000, 24701, and 164818 ProbeHousing Assemblies
- 21000-28-05-00-035-01-02
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PRODUCT DESCRIPTION
External probe mounting for shaft vibration and position monitoring
Bently Nevada 21000-28-05-00-035-01-02 is an aluminum external proximity probe housing assembly configured with a 3300 XL 8 mm probe. Its 0.5 m probe cable, 3.5-inch nominal penetration and 3/4-14 NPT machine connection define the ordered installation geometry.
The assembly has no standoff adapter and includes one explosion-proof conduit fitting and one NPT plug. Match the complete transducer system and machine drawing before installation; fitting selection alone does not establish an explosion-proof housing approval.
The assembly has no standoff adapter and includes one explosion-proof conduit fitting and one NPT plug. Match the complete transducer system and machine drawing before installation; fitting selection alone does not establish an explosion-proof housing approval.
BEFORE YOU BUY
Confirm the complete installed configuration
ACTUAL APPLICATIONS
Where the 21000 assembly supports machinery measurements
Measurement capability depends on the installed 3300 XL 8 mm transducer chain, target geometry and monitoring channel.
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01 · RADIAL VIBRATION
Shaft motion monitoring
Externally position the proximity probe to measure radial shaft vibration on a correctly configured compressor monitoring installation. -
02 · AXIAL POSITION
Thrust position measurement
Support a matched proximity measurement chain observing axial shaft movement, with the probe position and target verified against the machine drawing. -
03 · SPEED & PHASE
Speed and phase-reference measurement
Mount the probe for speed or Keyphasor measurements where the target and monitoring channel meet the transducer system requirements.
Technical specifications for 21000-28-05-00-035-01-02
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Product Model21000-28-05-00-035-01-02
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Product ParametersConfigured probe housing assembly
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In stock4 units
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ManufacturerBently Nevada
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Configured Sensing Probe3300 XL 8 mm, selectable hazardous-area approvals
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Probe Cable Length0.5 metre
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Standoff AdapterNot fitted
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Nominal Probe Penetration3.5 inches (88.9 mm)
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Conduit HardwareOne 3/4-14 NPT explosion-proof fitting and one NPT plug
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Machine Mounting Connection3/4-14 NPT
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Housing Body MaterialAluminum
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Probe Sleeve Material304 stainless steel
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Cover FasteningThreaded dome cover
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Probe Penetration AdjustmentNominal +/-0.5 inch (13 mm)
View all additional
Alternative Names
21000-28-05-00-035-01-02
21000 aluminum probe housing assembly
3300 XL 8 mm external probe enclosure
SYSTEM & REPLACEMENT CHECK
Information needed before ordering
Three direct checks to secure your system integration and minimize ordering risks.
Information
System integration
Replacement check
Manuals & support
3300 XL MEASUREMENT CHAIN
Match the probe system and mechanical installation
The Bently Nevada 21000-28-05-00-035-01-02 housing positions a reverse-mount 3300 XL 8 mm proximity probe outside the machine case. It combines a protective aluminum body with a stainless-steel sleeve and the ordered machine mounting connection.
The probe must be used with the applicable extension cable, Proximitor sensor and monitoring channel. The selected 0.5 m probe lead is one component of the tuned transducer system; match total electrical length and approval options before connection.
Check the 3.5-inch nominal penetration, available adjustment, target clearance and 3/4-14 NPT thread against the machine drawing. This assembly has no standoff adapter.
Features:
- 3300 XL 8 mm probe with selected approval options
- 0.5 m probe cable and no standoff adapter
- Match the NPT mount and machine target
The Bently Nevada 21000-28-05-00-035-01-02 probe housing assembly requires the matched transducer chain and mounting geometry to be confirmed before system integration and commissioning.
INTERCHANGEABILITY
Verify the complete replacement identity before commissioning
Replace 21000-28-05-00-035-01-02 only after comparing all six order-code option groups with the installed housing and probe. A similar enclosure does not establish matching cable length, penetration, fittings or mounting thread.
Record probe identification, cable routing, mounting thread and gap before removing the installed assembly. After replacement, verify probe position and the matched transducer output using the applicable manufacturer instructions.
Bently Nevada recommends considering newer 31000/32000 housings where an explosion-proof housing is not required. That recommendation does not establish an unconditional substitute for this exact order; evaluate mounting and environmental requirements.
Features:
- Match the complete 21000-28-05-00-035-01-02 identifier
- Compare penetration, probe cable and conduit fittings
- Verify machine thread, target and approval markings
The Bently Nevada 21000-28-05-00-035-01-02 probe housing assembly requires replacement verification based on the complete order code, mechanical geometry, probe system and site documentation before commissioning.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: Official documents are provided through manufacturer links. Accessories, manuals, cables, calibration data, software, certificates, and other items are not included with this equipment unless listed in the stock item description.
Features:
- Housing datasheet and applicable probe instructions must be checked
- Probe approvals and site installation drawings must match the supplied assembly
- Accessories are supplied only when listed in the quotation
Documentation for the Bently Nevada 21000-28-05-00-035-01-02 probe housing assembly must be matched to the complete identifier and installed project; confirm manual availability in the written quotation.
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Important notice
Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
BUYER INFORMATION
Commercial terms without hidden steps
Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Shipping & delivery
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DispatchEligible stock: same / next day
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CarriersDHL, FedEx or UPS
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Ship fromXiamen, China
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Packed size30x8.5x8.5cm
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Shipping weight1.05kg
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Payment & customs
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PaymentBank transfer (T/T)
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CurrenciesUSD · EUR · GBP · RMB
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Credit cardsNot accepted
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HS reference9031.90
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OriginUSA
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Warranty & returns
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Warranty12 months from AMIKON
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InspectionLabel, condition and packing checks
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ReturnsPrior RMA authorisation required
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CompatibilityConfirm before order
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OEM warrantyDoes not apply
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Part checked
Full suffix recorded -
Condition checked
Label and appearance -
Packing checked
Antistatic protection -
Tracking supplied
Established couriers -
Sandy Lin
Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 21000-28-05-00-035-01-02
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Does option 01 make this housing explosion-proof?
No. It selects an explosion-proof conduit fitting and a plug, but the datasheet states that only CA housing versions have the specified CSA explosion-proof rating. This order begins with 21000, not CA21000. -
How is the 035 penetration code interpreted?
It specifies 3.5 inches of nominal probe penetration, using the ordering table's 0.1-inch increments. Do not interpret it as 35 mm or as the complete housing length. -
Which approval is provided by probe option 28?
Option 28 identifies a 3300 XL 8 mm probe with selectable hazardous-area approvals. The supplied probe markings and applicable documentation are still needed to establish the actual approval and installation conditions. -
Is a standoff adapter part of this configuration?
No. The standoff option is 00. Adding an adapter changes the assembly geometry and must be assessed against the intended penetration and mounting arrangement. -
Can the 0.5 m probe connect directly to any monitor?
No. It must be part of the appropriate probe, cable and Proximitor system feeding a compatible monitoring channel. Probe cable length alone does not identify a complete electrical system. -
What should be checked before adjusting the probe penetration?
Check the nominal penetration, available adjustment and machine target position against the controlled drawing. The manufacturer identifies a nominal plus-or-minus 0.5-inch adjustment; final probe gapping follows the applicable transducer instructions. -
Is an exact successor or discontinuation date established?
Not in the reviewed official sources. The newer housing-family recommendation is application guidance, not an exact-order end-of-life notice or proof of an unconditional replacement. -
Which mounting details should an MRO buyer include with the enquiry?
Provide the complete 21000-28-05-00-035-01-02 code, machine thread, required penetration, target arrangement and probe approval markings. These distinguish the no-standoff, 3/4-14 NPT configuration from other 21000 assemblies.
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