21000-34-05-15-29-04-02 | Bently Nevada 0.5 m Cable Proximity Probe Housing Assembly

Introduction to the Bently Nevada 21000-34-05-15-29-04-02

When you need a robust housing for proximity probes in hazardous areas, the 21000-34-05-15-29-04-02 from Bently Nevada delivers reliable performance. This assembly includes a 3300 XL 8 mm probe with connector protector, a 0.5 m (20 in) probe cable, a 1.5 in standoff adapter, and a 2.9 in probe penetration. It also comes with one 3/4-14 NPT plug fitting. The housing is made from aluminum with a 304 stainless steel sleeve, ensuring durability in demanding industrial environments.

Key Features and Specifications of the 21000-34-05-15-29-04-02

• Probe Option: 3300 XL 8 mm probe with connector protector, selectable hazardous area approvals.
• Probe Cable Length: 0.5 m (20 in) – exact from data.
• Standoff Adapter: 1.5 in – ensures proper probe positioning.
• Probe Penetration: 2.9 in – for accurate measurement.
• Fitting Option: One 3/4-14 NPT plug only – simplifies installation.
• Mounting Thread: 3/4-14 NPT – required if standoff adapter is not -00.
• Material: Aluminum body with 304 stainless steel sleeve – corrosion resistant.
• Weight: 1.1 kg (2.4 lb) typical, without fittings – lightweight for easy handling.

One distinctive spec is the 0.5 m probe cable length, which offers flexibility for tight installations while maintaining signal integrity.

Applications and Use Cases for the Bently Nevada 21000-34-05-15-29-04-02

In rotating machinery monitoring, the 21000-34-05-15-29-04-02 excels at measuring shaft vibration and position. It is suitable for compressors, turbines, and pumps in oil and gas, power generation, and petrochemical plants. Because it supports hazardous area approvals, it can be used in explosive environments safely. Additionally, its CSA Type 4 enclosure rating makes it ideal for outdoor or washdown areas.

Installation and Setup Guide

Mount the housing securely using the 3/4-14 NPT thread. Ensure the standoff adapter is correctly sized to achieve the 2.9 in probe penetration. Connect the probe cable to the monitoring system following Bently Nevada guidelines. For explosion-proof installations, use only CSA-approved versions with appropriate options. Always verify the probe tip clearance before finalizing the assembly.

Maintenance and Reliability Tips

Inspect the O-rings and thread seal periodically to maintain a tight seal. Check the probe cable for wear or damage, especially near connection points. Clean the housing exterior with a soft cloth; avoid solvents that could damage seals. Regular inspection per the manufacturer's manual helps extend service life and reduce downtime.

Compatibility and Integration

The 21000-34-05-15-29-04-02 works with Bently Nevada monitoring systems that accept 8 mm proximity probes. It is compatible with API 670 standards for externally mounted housings. For intrinsically safe applications, pair it with hazardous area approved probes. The CSA Type 4 enclosure ensures integration into existing safety systems.

Frequently Asked Questions about the 21000-34-05-15-29-04-02

Q: What is the probe cable length for the 21000-34-05-15-29-04-02?

A: The probe cable length is 0.5 m (20 in), as specified in the ordering information.

Q: Does this housing come with a standoff adapter?

A: Yes, it includes a 1.5 in standoff adapter (suffix code 15).

Q: What is the probe penetration depth?

A: The probe penetration is 2.9 in (suffix code 29).

Q: Is this housing explosion-proof?

A: Only CA versions are rated explosion-proof by CSA when ordered with specific options (E:00, E:01, E:02, or E:04).

Q: What material is the housing made of?

A: The body is aluminum with a 304 stainless steel sleeve.

Product Support and Availability

The 21000-34-05-15-29-04-02 is in stock and ready to ship from Petro Auto Tech. As a trusted supplier of industrial automation parts, we offer new and original factory-packed units with a 12-month warranty. Contact our team for ordering assistance or technical questions.