Bently Nevada 21000-28-05-40-026-04-02 Proximity Probe Housing Assemblies

Description

The Bently Nevada 21000-28-05-40-026-04-02 is an aluminum proximity probe housing assembly designed for the external mounting and protection of a 3300 XL 8 mm proximity probe. It includes a 0.5-meter probe cable, a 4.0-inch standoff adapter, and a 2.6-inch probe penetration, allowing the probe to be accurately positioned for shaft vibration and position measurements. The housing features a 3/4-14 NPT mounting thread and is supplied with one 3/4-14 NPT plug for conduit access. The assembly consists of a dome cover, housing body, probe sleeve, O-rings, thread seal, and associated mounting components, providing convenient access for probe adjustment or replacement without disassembling the machine. 

Parameter

Model: 21000-28-05-40-026-04-02 Proximity Probe Housing Assemblies
Probe with Connector: 28-3300 XL 8mm probe, selectable hazardous area approvals
Probe Cable Length: 05-0.5 m (20 in)
Standoff Adapter (Option C Dimension): 40-4.0 in (104mm)
Probe Penetration (Option D Dimension): 026-2.6 in (66mm)
Fittings: 04-One 3/4-14 NPT plug only
Mounting Thread: 02-3/4-14 NPT

Frequently asked questions

Q:What is the Bently Nevada 21000-28-05-40-026-04-02?
A:The Bently Nevada 21000-28-05-40-026-04-02 is an aluminum proximity probe housing assembly designed for the external mounting and protection of a 3300 XL 8 mm proximity probe. 

Q:Which proximity probe is included with this housing assembly??
A:This configuration includes a 3300 XL 8 mm proximity probe with selectable hazardous area approvals. The assembly is intended for use with compatible extension cables and Proximitor® sensors in the 3300 XL 8 mm transducer system.

Q:What is 21000-28-05-40-026-04-02 the probe penetration length?
A:The 026 option specifies a 2.6 in (66 mm) probe penetration, allowing the probe tip to reach the required measurement location inside the machine housing. The probe position can also be adjusted during installation.

Application areas

The Bently Nevada 21000-28-05-40-026-04-02 is an externally mounted proximity probe housing assembly designed to protect and support a 3300 XL 8 mm proximity probe in industrial machinery condition monitoring systems. Typical application areas include:

• Steam turbines: External mounting of proximity probes for continuous shaft vibration and shaft position monitoring.
• Gas turbines: Providing a protected probe installation for vibration and position measurements in turbine monitoring systems.
• Compressors: Used on centrifugal and process compressors where external probe access is required for maintenance and adjustment.
• Hazardous industrial environments: Available with CSA explosion-proof housing options and compatible hazardous-area-approved probes for use in certified hazardous locations, depending on the selected configuration.

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