21000-34-00-00-065-04-02 | Bently Nevada 6.5in Probe Housing Assembly

Why Choose the 21000-34-00-00-065-04-02 for Your Machinery Protection?

When unplanned downtime threatens your rotating machinery, the 21000-34-00-00-065-04-02 from Bently Nevada provides a robust solution for precise vibration monitoring. This proximity probe housing assembly is engineered to withstand harsh industrial environments while delivering accurate displacement measurements. With a 6.5-inch probe penetration and a 3/4-14 NPT mounting thread, it integrates seamlessly into existing systems.

Key Features and Technical Specifications

• Probe Penetration: 6.5 inches (065 suffix) for deep access to shaft surfaces.
• Mounting Thread: 3/4-14 NPT for standard conduit connections.
• Material: Aluminum body with a 304 stainless steel sleeve for corrosion resistance.
• Weight: 1.1 kg (2.4 lb) typical, without fittings, for easy handling.
• Probe Option: 3300 XL 8 mm probe with connector protector and selectable hazardous area approvals.
• Fitting Option: One 3/4-14 NPT plug included for secure sealing.
• Maximum Dimension (C+D): 32.9 inches (83.5 cm) to accommodate long cable runs.

The 21000-34-00-00-065-04-02 is part of the trusted 21000 series, known for its durability in extreme conditions. Its aluminum body with stainless steel sleeve resists corrosion and mechanical stress, ensuring long-term reliability.

Applications and Use Cases

This housing assembly is ideal for monitoring vibration in turbines, compressors, pumps, and other rotating equipment. For example, in a petrochemical plant, the 21000-34-00-00-065-04-02 can be mounted externally to detect shaft displacement early, preventing catastrophic failures. Its CSA Type 4 enclosure rating makes it suitable for hazardous areas when ordered with appropriate options.

Installation and Setup

Mounting the 21000-34-00-00-065-04-02 is straightforward. Use the 3/4-14 NPT thread for conduit connections and ensure the probe sleeve is properly aligned with the shaft. The assembly includes O-rings and a thread seal for a secure fit. Always follow the manufacturer's manual for torque specifications and wiring guidelines.

Maintenance and Reliability

Regular inspection of the housing and probe cable is recommended to maintain accuracy. Check for signs of wear or corrosion on the aluminum body and stainless steel sleeve. The 21000-34-00-00-065-04-02 is designed for minimal maintenance, reducing total cost of ownership over its service life.

Compatibility and Integration

This housing assembly is compatible with Bently Nevada monitoring systems and works with the 3300 XL 8 mm probe. It integrates with standard conduit fittings and supports hazardous area approvals when ordered with the correct suffix codes. For specific system integration, consult the official documentation.

Troubleshooting and Common Issues

If you encounter signal noise or erratic readings, verify that the probe cable length (1.0 m) is properly connected and that the housing is securely mounted. Ensure the standoff adapter is not required (00 option) and that the fitting is tight. For persistent issues, contact Petro Auto Tech for support.

Frequently Asked Questions

Q: What is the probe penetration of the 21000-34-00-00-065-04-02?

A: The probe penetration is 6.5 inches, as indicated by the 065 suffix code.

Q: Is this housing assembly suitable for hazardous areas?

A: Yes, when ordered with the 34 probe option (3300 XL 8 mm with connector protector), it offers selectable hazardous area approvals. The housing itself is rated explosion-proof by CSA when ordered with specific options.

Q: What mounting thread does the 21000-34-00-00-065-04-02 use?

A: It uses a 3/4-14 NPT mounting thread, which is standard for industrial conduit connections.

Q: What is the weight of this assembly?

A: The typical weight is 1.1 kg (2.4 lb) without fittings.

Q: Can I use this housing with other probe types?

A: The 21000-34-00-00-065-04-02 is designed specifically for the 3300 XL 8 mm probe. For other probe types, refer to Bently Nevada documentation.

Contact Petro Auto Tech for current pricing and availability. This product is new and in original factory packing with a 12-month warranty.