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

The Bently Nevada 21000-16-05-15-084-03-02 is a Probe Option for industrial control and automation applications.

Bently Nevada 21000-16-05-15-084-03-02 is a proximity probe housing assembly built for reliable, long-term machinery protection. As rotating equipment evolved from simple mechanical dials to precision electronic monitoring, the need for robust, standardized probe enclosures became critical. This assembly meets that need with a 3300 XL 8 mm probe, a 0.5 m cable, and a CSA-certified explosion-proof housing.

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

This Bently Nevada assembly is part of the 21000 series, designed to protect proximity probes in harsh industrial environments. The housing includes a dome cover, threaded conduit ports, a probe sleeve, O-rings, a reverse-mount proximity probe, a thread seal, and optional conduit fittings. The aluminum body with a 304 stainless steel sleeve provides durability while remaining lightweight at 1.1 kg (2.4 lb) typical, without fittings.

The assembly is rated explosion-proof for hazardous areas and certified as a CSA Type 4 enclosure. It is fully compliant with API 670 for externally mounted proximity probe housings, making it suitable for oil and gas, petrochemical, and power generation applications.

Key Specifications

• Probe Option: 16 = 3300 XL 8 mm probe
• Probe Cable Length: 0.5 m (20 in)
• Standoff Adapter: 1.5 in
• Probe Penetration: 8.4 in
• Fitting Option: One 3/4-14 NPT plug, one 3/4-14 to 1/2-14 NPT reducer, one cable seal grip with grommets for cable sizes 1/8 to 3/16 in, 1/4 to 5/16 in, and 5/16 to 3/8 in
• Mounting Thread: 3/4-14 NPT
• Material: Aluminum body with 304 stainless steel sleeve
• Weight: 1.1 kg (2.4 lb) typical, without fittings

Why Choose This Housing Assembly?

Engineers and MRO buyers choose This unit for its precise fit and certified safety. The reverse-mount probe simplifies installation in tight spaces, while the explosion-proof rating ensures compliance in hazardous zones. The 0.5 m cable length reduces wiring complexity, and the included fittings accommodate a range of cable diameters. For genuine Bently Nevada original spare parts, TenBN authorized distributor offers fast global shipping from China and competitive pricing for industrial MRO.

Applications and Compatibility

This assembly is ideal for reciprocating compressors, gas turbines, and large motors where vibration monitoring is critical. It integrates seamlessly with Bently Nevada monitoring systems that accept 3300 XL 8 mm probes. The CSA certification and API 670 compliance make it a trusted choice for safety-critical installations.

Frequently Asked Questions

What is the probe cable length of This unit?

The Bently Nevada unit includes a 0.5 m (20 in) probe cable.

Is This unit explosion-proof?

Yes, the Bently Nevada unit is rated explosion-proof for hazardous areas and certified as a CSA Type 4 enclosure.

What probe is used in This unit?

The Bently Nevada unit uses a 3300 XL 8 mm probe.

What is the mounting thread size for This unit?

The Bently Nevada unit features a 3/4-14 NPT mounting thread.