21000-34-05-00-039-03-02 | Bently Nevada 0.5 m Cable Proximity Probe Housing

Why the Bently Nevada 21000-34-05-00-039-03-02 Solves Vibration Monitoring Challenges

When rotating machinery experiences excessive vibration, unplanned downtime and costly repairs often follow. The 21000-34-05-00-039-03-02 from Bently Nevada provides a robust solution. This proximity probe housing assembly offers a 0.5 m (20 in) probe cable length and a 3.9 in probe penetration. It is designed for externally mounted proximity probes in hazardous areas. Engineers rely on this model for accurate shaft vibration and position measurements.

Key Features of the 21000-34-05-00-039-03-02

• Aluminum body with a 304 stainless steel sleeve for durability.
• Includes a 3300 XL 8 mm probe with connector protector.
• Selectable hazardous area approvals for versatile installation.
• Supports a 3/4-14 NPT mounting thread option.
• Comes with one 3/4-14 NPT plug and one 3/4-14 to 1/2-14 NPT reducer.
• Includes a cable seal grip with grommets for cable sizes from 1/8 to 3/8 inches.
• Rated as CSA Type 4 enclosure and compliant with API 670 Standard.

Real-World Applications for the 21000-34-05-00-039-03-02

In petrochemical plants and refineries, the 21000-34-05-00-039-03-02 monitors critical compressors and pumps. Its explosion-proof rating makes it suitable for hazardous environments. The 0.5 m cable length allows close coupling to machinery. This reduces signal noise and improves measurement accuracy. It also supports intrinsically safe applications when paired with approved probes.

Installation Guide for the Bently Nevada Proximity Probe Housing

Mount the housing using the 3/4-14 NPT thread option. Ensure the probe sleeve length matches the required gap. The included fittings simplify conduit connections. Verify the probe cable is secured with the provided cable seal grip. Always follow the manufacturer's manual for torque values and wiring.

Maintenance and Reliability Tips

Inspect the O-rings and thread seal periodically to maintain the explosion-proof rating. Check the cable seal grip for wear. The aluminum and stainless steel construction resists corrosion in harsh environments. Regular inspection per manufacturer guidelines extends service life.

Compatibility and Integration

The 21000-34-05-00-039-03-02 works with Bently Nevada monitoring systems and third-party vibration analyzers. It accepts 3300 XL 8 mm probes with connector protectors. The CSA Type 4 enclosure ensures compatibility with outdoor installations. No special software is required for mechanical integration.

Frequently Asked Questions about the 21000-34-05-00-039-03-02

What is the probe cable length of the 21000-34-05-00-039-03-02?

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

What mounting thread option does this housing use?

It uses a 3/4-14 NPT mounting thread.

Is this housing suitable for hazardous areas?

Yes, it is rated explosion proof and available with CSA approvals.

What materials are used in the housing construction?

The body is aluminum with a 304 stainless steel sleeve.

What is the probe penetration length?

The probe penetration is 3.9 in.

Product Support and Availability

The 21000-34-05-00-039-03-02 is in stock and ready to ship. Contact Petro Auto Tech for pricing and lead times. We provide a 12-month factory warranty on all new original parts.