21000-16-05-15-084-03-02 | Bently Nevada 8 mm Probe Housing Assembly

What Is the 21000-16-05-15-084-03-02?

When industrial environments demand reliable vibration monitoring, the 21000-16-05-15-084-03-02 provides a robust solution. Part of Bently Nevada's 21000 series, this proximity probe housing assembly combines an aluminum body with a 304 stainless steel sleeve. It is engineered for externally mounted probes in hazardous areas. The assembly includes a dome cover, threaded conduit ports, and an optional standoff adapter. This model supports a 3300 XL 8 mm probe with a 0.5 m cable length.

Key Features & Technical Specs of the 21000-16-05-15-084-03-02

• Probe Option: 3300 XL 8 mm probe with connector
• Cable Length: 0.5 m (20 in)
• Standoff Adapter: 1.5 in
• Probe Penetration: 8.4 in
• Fittings: One 3/4-14 NPT plug, one reducer, and cable seal grip
• Mounting Thread: 3/4-14 NPT
• 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

The 8 mm probe option makes this assembly ideal for tight clearance installations. Its 0.5 m cable provides flexibility for compact machine layouts. The 1.5 in standoff adapter ensures proper probe positioning.

Installation & Setup for the 21000-16-05-15-084-03-02

Mounting the 21000-16-05-15-084-03-02 requires a 3/4-14 NPT threaded port. The assembly includes a cable seal grip with grommets for cable diameters from 1/8 to 3/8 inches. Ensure the probe sleeve length matches the required penetration depth of 8.4 in. For hazardous area compliance, follow all local electrical codes. The dome cover screws securely onto the aluminum body, protecting internal components from moisture and debris.

Maintenance & Reliability Tips

Regular inspection of the O-rings and thread seal prevents leakage in harsh environments. The aluminum body resists corrosion, while the stainless steel sleeve adds durability. Check the cable seal grip periodically for wear. This assembly is designed for long service life in continuous monitoring applications. Following Bently Nevada's recommended maintenance intervals helps maximize uptime.

Applications & Use Cases

The 21000-16-05-15-084-03-02 excels in rotating machinery monitoring, such as turbines, compressors, and pumps. Its CSA explosion-proof rating makes it suitable for oil and gas, petrochemical, and power generation facilities. The API 670 compliance ensures compatibility with industry-standard vibration monitoring systems. In these settings, the housing protects the proximity probe from harsh conditions while providing accurate displacement measurements.

FAQ about the 21000-16-05-15-084-03-02

Q: What probe type does this housing support?

A: It supports a 3300 XL 8 mm probe with a connector, as indicated by the suffix code 16.

Q: What is the cable length of the 21000-16-05-15-084-03-02?

A: The probe cable length is 0.5 m (20 in), specified by the suffix code 05.

Q: Is this housing approved for hazardous areas?

A: Yes, it has CSA approval for explosion-proof use in hazardous areas and is CSA Type 4 certified.

Q: What mounting thread does the assembly require?

A: It uses a 3/4-14 NPT mounting thread, as specified by the suffix code -02.

Q: What fittings are included with the 21000-16-05-15-084-03-02?

A: It includes one 3/4-14 NPT plug, one 3/4-14 to 1/2-14 NPT reducer, and a cable seal grip with grommets for various cable sizes.

Product Support & Availability

The 21000-16-05-15-084-03-02 is available as new and original in factory packing from Petro Auto Tech. It comes with a 12-month factory warranty. Contact Petro Auto Tech for current stock and lead times.