21000-28-05-00-065-00-02 | Bently Nevada 0.5 m Cable Proximity Probe Housing Assembly

Introduction to the Bently Nevada 21000-28-05-00-065-00-02

When machinery protection demands robust proximity sensing, the 21000-28-05-00-065-00-02 from Bently Nevada delivers a proven solution. This 21000 series housing assembly integrates a 3300 XL 8 mm probe with selectable hazardous area approvals. It is designed for externally mounted proximity probes in critical rotating equipment.

With a 0.5 m (20 in) probe cable and 6.5 in probe penetration, this model suits installations where space is limited. The aluminum body with a 304 stainless steel sleeve ensures durability in industrial environments. As a new and original factory-packed unit, it carries a 12-month warranty from Petro Auto Tech.

Key Features and Technical Specifications of the 21000-28-05-00-065-00-02

• Probe Option: 3300 XL 8 mm probe with selectable hazardous area approvals.
• Probe Cable Length: 0.5 m (20 in).
• Probe Penetration: 6.5 in.
• Mounting Thread: 3/4-14 NPT (required when standoff adapter option is not -00).
• Material: Aluminum body with 304 stainless steel sleeve.
• Weight: 1.1 kg (2.4 lb) typical, without fittings.
• Approvals: CSA explosion proof for hazardous areas; CSA Type 4 enclosure; API 670 compliant.

A distinctive feature of this assembly is its selectable hazardous area approval, which allows use in intrinsically safe applications. This flexibility reduces the need for multiple housing variants.

Applications and Use Cases for the 21000-28-05-00-065-00-02

In the oil and gas industry, this housing assembly monitors shaft vibration in compressors and turbines. Its CSA Type 4 rating makes it suitable for outdoor and washdown environments. Similarly, in petrochemical plants, the 21000-28-05-00-065-00-02 provides reliable proximity sensing for pumps and fans. The API 670 compliance ensures compatibility with standard externally mounted probe configurations.

Installation and Setup of the Bently Nevada 21000-28-05-00-065-00-02

Mount the housing using the 3/4-14 NPT thread option when no standoff adapter is selected. Ensure the probe sleeve length matches the required penetration of 6.5 in. The assembly includes a dome cover, threaded conduit ports, O-rings, and a reverse mount probe. For hazardous areas, verify that the selected probe option matches the area classification. Refer to the manufacturer's manual for torque specifications on conduit fittings.

Maintenance and Reliability of the 21000-28-05-00-065-00-02

Regularly inspect the O-rings and thread seal for signs of wear or contamination. The aluminum and stainless steel construction resists corrosion in harsh environments. Periodically verify that the probe cable is not damaged and that the dome cover is securely fastened. Following these steps extends service life and reduces unplanned downtime.

Compatibility and Integration

This housing assembly works with Bently Nevada 3300 XL 8 mm proximity probes and is compatible with standard 3/4-14 NPT conduit fittings. It integrates into existing vibration monitoring systems that accept externally mounted probes. The CSA Type 4 enclosure allows installation in Class I, Division 1 hazardous locations when paired with an approved probe.

Frequently Asked Questions about the 21000-28-05-00-065-00-02

Q: What is the probe cable length for the 21000-28-05-00-065-00-02?

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

Q: What mounting thread does this housing use?

A: It uses a 3/4-14 NPT thread when the standoff adapter option is not -00.

Q: Is this housing assembly suitable for hazardous areas?

A: Yes, it is CSA approved as explosion proof for hazardous areas and can be used with selectable hazardous area approved probes.

Q: What is the probe penetration of this model?

A: The probe penetration is 6.5 in.

Q: What material is the housing made of?

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

Product Support and Availability

The 21000-28-05-00-065-00-02 is in stock and ready to ship from Petro Auto Tech. Contact our team for current lead times and volume pricing. We provide original factory-packed units with full warranty support.