21000-34-05-00-065-03-02 | Bently Nevada 8mm Probe Housing Assembly

Introduction to the 21000-34-05-00-065-03-02

When industrial machinery demands precise vibration monitoring, the 21000-34-05-00-065-03-02 from Bently Nevada delivers robust performance. This proximity probe housing assembly is part of the trusted 21000 series, engineered for hazardous area applications. With a 3300 XL 8mm probe and a 0.5-meter cable, it provides accurate displacement measurements in critical rotating equipment. The aluminum body with a 304 stainless steel sleeve ensures durability in harsh environments.

Key Features & Technical Specs of the 21000-34-05-00-065-03-02

• Probe Type: 3300 XL 8mm probe with connector protector
• Cable Length: 0.5 meters (20 inches)
• Probe Penetration: 6.5 inches
• Mounting Thread: 3/4-14 NPT
• Material: Aluminum body with 304 stainless steel sleeve
• Weight: 1.1 kg (2.4 lb) typical, without fittings
• Temperature Range: -51°C to +177°C (-60°F to +351°F) for operating and storage
• CSA Approvals: Explosion proof for hazardous areas, CSA Type 4 enclosure
• API Compliance: Fully compliant with API 670 Standard

The 21000-34-05-00-065-03-02 includes a dome cover, threaded ports for conduit connections, a probe sleeve, O-rings, a reverse mount proximity probe, a thread seal, and optional conduit fittings. Its selectable hazardous area approvals make it versatile for various industrial settings.

Applications & Use Cases

In the oil and gas industry, the 21000-34-05-00-065-03-02 monitors shaft vibration in compressors and turbines. For petrochemical plants, it provides reliable data on pump and motor health. The housing assembly excels in environments requiring explosion-proof certification, such as refineries and chemical processing facilities. Additionally, its API 670 compliance ensures seamless integration into existing monitoring systems.

Installation & Setup

Mounting the 21000-34-05-00-065-03-02 involves using the 3/4-14 NPT thread option. The kit includes a 3/4-14 NPT plug, a reducer to 1/2-14 NPT, and a cable seal grip with grommets for various cable sizes. Ensure the probe penetration is set to 6.5 inches for optimal performance. Always follow the manufacturer's guidelines for proper alignment and torque specifications.

Maintenance & Reliability

Regular inspection of the O-rings and thread seal helps maintain the housing's explosion-proof integrity. The aluminum and stainless steel construction resists corrosion, extending service life. For maximum reliability, verify the cable connections periodically and replace any worn grommets. This proactive approach reduces downtime and supports long-term cost savings.

Compatibility & Integration

The 21000-34-05-00-065-03-02 works with Bently Nevada monitoring systems that accept 3300 XL 8mm probes. Its CSA Type 4 enclosure rating ensures compatibility with intrinsically safe applications. The housing assembly integrates easily into existing vibration monitoring networks, supporting both new installations and upgrades.

Troubleshooting & Common Issues

If the probe signal is erratic, check the cable connection and ensure the grommets are properly seated. Temperature extremes beyond -51°C to +177°C may affect performance. For mounting issues, verify that the thread seal is intact and the NPT fittings are tightened correctly. Refer to the official Bently Nevada documentation for detailed diagnostics.

FAQ about 21000-34-05-00-065-03-02

Q: What is the probe cable length for the 21000-34-05-00-065-03-02?

A: The cable length is 0.5 meters (20 inches).

Q: What temperature range can this housing assembly withstand?

A: It operates and stores from -51°C to +177°C (-60°F to +351°F).

Q: Is the 21000-34-05-00-065-03-02 suitable for hazardous areas?

A: Yes, it has CSA approvals for explosion-proof use and is CSA Type 4 certified.

Q: What mounting thread does this model use?

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

Q: What is the weight of the 21000-34-05-00-065-03-02?

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

Product Support & Availability

The 21000-34-05-00-065-03-02 is in stock and ready to ship from Petro Auto Tech. As a trusted supplier, we ensure new and original factory packaging with a 12-month warranty. Contact us for lifecycle status and availability before ordering.