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BENTLY NEVADA • 21000 SERIES
21000-28-05-00-030-04-02
Proximity Probe Housing Assembly
Designed for external mounting of a compatible proximity probe, the 21000 housing combines a rigid aluminum body with a 304 stainless steel probe sleeve and threaded connection arrangement.
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The Bently Nevada 21000 series provides an external housing arrangement for proximity probe installations. The assembly incorporates a dome cover, threaded conduit connection ports, a probe sleeve, O-rings, a reverse-mount proximity probe, thread sealing and selected connection hardware.
For this specific configuration, the complete order code defines the probe type, cable length, absence of a standoff adapter, probe penetration, fitting arrangement and mounting thread. This makes the full part number important when matching a replacement to an existing installation.
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External Probe Mounting
Provides a defined mechanical arrangement for externally mounted proximity probes.
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Metal Housing
The 21000 housing uses an aluminum body with a 304 stainless steel probe sleeve.
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Defined Penetration
The -030 configuration specifies a 3.0 inch probe penetration dimension.
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| Parameter | Value |
| Product Series | 21000 Proximity Probe Housing Assembly |
| Probe Configuration | 3300 XL 8 mm probe with selectable hazardous-area approvals |
| Probe Cable Length | 0.5 m / 20 in |
| Standoff Adapter | None |
| Probe Penetration | 3.0 in |
| Fitting | One 3/4-14 NPT plug only |
| Mounting Thread | 3/4-14 NPT |
| Housing Material | Aluminum body with 304 stainless steel sleeve |
| Typical Weight | 1.1 kg / 2.4 lb, without fittings |
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ORDER CODE
21000
The complete suffix sequence defines the configuration of the assembly.
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Operating & Storage Temperature
For the 3300 XL 8 mm probe configuration, the specified operating and storage range is -51°C to +177°C (-60°F to +351°F).
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Housing Construction
The 21000 assembly uses an aluminum body and a 304 stainless steel sleeve.
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Typical Assembly Weight
Approximately 1.1 kg / 2.4 lb without fittings.
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Hazardous-Area Configuration
The -28 probe option is the 3300 XL 8 mm probe configuration with selectable hazardous-area approvals.
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External proximity measurement installations
The 21000 housing is intended to externally mount proximity probes through machine housings. It provides a controlled mechanical arrangement for probe positioning while protecting the probe assembly through the housing structure. This configuration is particularly relevant when the installed system requires a 3300 XL 8 mm probe, a 0.5 m probe cable, no standoff adapter, a 3.0 inch penetration and a 3/4-14 NPT mounting connection. |
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01
Probe
Confirm the 3300 XL 8 mm configuration before replacement.
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02
Penetration
The -030 code specifies 3.0 inches of probe penetration.
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03
Connection
The fitting and mounting thread must match the existing installation.
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04
Clearance
Installation geometry should accommodate the specified penetration and sleeve arrangement.
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1. What does Bently Nevada 21000-28-05-00-030-04-02 actually include?
This is a configured 21000 Proximity Probe Housing Assembly. The order code specifies a 3300 XL 8 mm probe with selectable hazardous-area approvals, a 0.5 m cable, no standoff adapter, 3.0 inch probe penetration, one 3/4-14 NPT plug and a 3/4-14 NPT mounting thread.
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2. Why is the “030” suffix important when replacing this housing?
The “030” position defines the probe penetration as 3.0 inches. Penetration is a physical installation dimension, so replacing it with a different penetration configuration can change the probe position relative to the machine casing.
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3. Does 21000-28-05-00-030-04-02 use a standoff adapter?
No. The “00” position specifies no standoff adapter. This is one of the configuration details that should be matched when replacing an existing assembly.
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4. What type of probe is specified by the “28” configuration?
The “28” option specifies a 3300 XL 8 mm probe with selectable hazardous-area approvals. It should therefore be matched with the probe and monitoring arrangement required by the installed system.
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5. What should be checked before ordering this exact 21000 assembly?
Confirm the complete part number, probe configuration, cable length, penetration, fitting arrangement, mounting thread and installation clearance. For this exact configuration, the key physical values are 0.5 m cable length, no standoff adapter, 3.0 inch penetration and 3/4-14 NPT mounting.
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PRICE & AVAILABILITY
Need a Current Price for 21000-28-05-00-030-04-02?
Send the exact part number and required quantity. We can check the available configuration and prepare a quotation.
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DELIVERY
3–5 Days
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WARRANTY
12 Months
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PACKAGING
Brand New
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PAYMENT
T/T
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AFTER-SALES
Refund & ReplacementWe aim to keep the return process clear and practical when a received item requires attention.
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