Bently Nevada 21000-34-05-00-022-03-02 21000 Aluminum Proximity Probe Housing Assembly

Parameter
Model: 21000-34-05-00-022-03-02 21000 Aluminum Proximity Probe Housing Assembly    
Probe with Connector: 34-3300 XL 8mm probe with connector protector, selectable hazardous area approvals
Probe Cable Length: 05-0.5 m (20 in)
Standoff Adapter (Option C Dimension): 00-00
Probe Penetration (Option D Dimension): 022-2.2 in
Fittings: 03-One 3/4-14 NPT plug
One 3/4-14 to 1/2-14 NPT reducer
One cable seal grip with grommets for
the following cable sizes:
• 1/8 to 3/16 inches
• 1/4 to 5/16 inches
• 5/16 to 3/8 inches
Mounting Thread: 02-3/4-14 NPT

Description

The Bently Nevada 21000-34-05-00-022-03-02 is a 21000 Aluminum Proximity Probe Housing Assembly supplied with a 3300 XL 8 mm Proximity Probe featuring a connector protector and multiple hazardous-area approvals. The assembly is designed for external installation on rotating machinery, providing a secure mounting location for the proximity probe while protecting the probe connection from the surrounding operating environment. It also allows convenient probe adjustment and replacement without opening the machine casing. The housing assembly features an anodized aluminum housing with a stainless steel probe sleeve, providing stable mechanical support for the installed probe while helping protect the cable entry and sensing assembly. The external mounting design simplifies installation and maintenance by allowing probe gap adjustment without disassembling the machine. When used with compatible Bently Nevada extension cables, Proximitor® Sensors, and monitoring systems, the 21000-34-05-00-022-03-02 supports non-contact measurement of shaft vibration, shaft displacement, and shaft position on critical rotating equipment. 

Frequently asked questions

Q:Does this configuration include a proximity probe?
A:Yes. This model is supplied with a 3300 XL 8 mm Proximity Probe with Connector Protector as part of the housing assembly.

Q:Does this housing assembly include a standoff adapter?
A:No. The "00" configuration indicates that no standoff adapter is included. The probe is mounted directly in the housing assembly.

Q:Why is the probe penetration dimension important?

A:The specified penetration length ensures the probe reaches the intended measurement point while maintaining the installation dimensions defined for the housing assembly.

Application areas

• Industrial Pumps–Provides reliable probe installation for monitoring shaft movement and machine condition on process pumps and auxiliary pumping equipment.
• Generators–Supports continuous shaft vibration and position monitoring on generator bearing assemblies used in power generation applications.
• Electric Motors–Applied on large industrial motors equipped with proximity transducer systems for shaft condition monitoring and machinery protection.

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