21000-34-05-20-066-04-02 | Bently Nevada 0.5m Cable Proximity Probe Housing

Introduction to the 21000-34-05-20-066-04-02 Proximity Probe Housing

When machinery vibration threatens uptime, the 21000-34-05-20-066-04-02 from Bently Nevada provides a robust solution. This proximity probe housing assembly is part of the 21000 series. It is designed for externally mounted probes in hazardous areas. The housing includes a 3300 XL 8 mm probe with connector protector. A 0.5 m (20 in) probe cable length ensures flexible installation. The standoff adapter measures 2.0 in. Probe penetration reaches 6.6 in. This model uses a 3/4-14 NPT fitting option. The mounting thread option is also 3/4-14 NPT.

Key Features and Technical Specs of the 21000-34-05-20-066-04-02

• Probe Option: 3300 XL 8 mm probe with connector protector and selectable hazardous area approvals.
• Probe Cable Length: 0.5 m (20 in).
• Standoff Adapter: 2.0 in.
• Probe Penetration: 6.6 in.
• Fitting Option: One 3/4-14 NPT plug only.
• Mounting Thread: 3/4-14 NPT (required when standoff adapter is not -00).
• Material: Aluminum body with 304 stainless steel sleeve.
• Weight: 1.1 kg (2.4 lb) typical, without fittings.
• Maximum (C) + (D) Dimension: 13.5 in (34.3 cm).

A distinctive spec is the 0.5 m cable length. This short cable reduces signal loss in tight installations. It also simplifies routing near the machine.

Applications and Use Cases for the 21000-34-05-20-066-04-02

This housing assembly excels in rotating machinery monitoring. It is ideal for compressors, turbines, and pumps. The CSA Type 4 enclosure rating suits harsh environments. It is fully compliant with API 670 Standard for externally mounted proximity probe housings. Therefore, it meets industry safety and reliability requirements.

Installation and Setup of the 21000-34-05-20-066-04-02

Mount the housing using the 3/4-14 NPT thread. Ensure the standoff adapter is properly torqued. The probe cable length of 0.5 m limits the distance to the monitor. Plan conduit routing accordingly. Use the provided 3/4-14 NPT plug for unused ports. Always follow the manufacturer's manual for exact torque values.

Maintenance and Reliability of the 21000-34-05-20-066-04-02

Inspect the housing periodically for corrosion or damage. The aluminum body and stainless steel sleeve resist wear. Check O-rings during routine maintenance. Replace them if cracked or deformed. This ensures a reliable seal in hazardous areas. Regular inspection per manufacturer's safety manual is recommended.

Compatibility and Integration of the 21000-34-05-20-066-04-02

This housing works with Bently Nevada monitoring systems. It accepts 3300 XL 8 mm proximity probes. The CSA approval allows use in hazardous locations. However, only CA versions of the housing are rated explosion-proof by CSA when ordered with specific options. Verify compatibility with your system before ordering.

FAQ about the 21000-34-05-20-066-04-02

Q: What is the probe cable length for the 21000-34-05-20-066-04-02?

A: The probe cable length is 0.5 m (20 in).

Q: What is the standoff adapter length on this model?

A: The standoff adapter is 2.0 in.

Q: What is the probe penetration depth?

A: The probe penetration is 6.6 in.

Q: What fitting option does the 21000-34-05-20-066-04-02 include?

A: It includes one 3/4-14 NPT plug only.

Q: Is this housing rated for hazardous areas?

A: Yes, it is available with CSA approvals for explosion-proof and intrinsically safe applications.

Product Support and Availability

The 21000-34-05-20-066-04-02 is in stock and ready to ship. Petro Auto Tech provides this new and original factory-packed unit. It comes with a 12-month factory warranty. Contact Petro Auto Tech for lifecycle status and ordering details.