21000-16-10-00-144-03-02 | Bently Nevada 14.4 in Probe Housing Assembly

Introduction to the 21000-16-10-00-144-03-02 Proximity Probe Housing Assembly

When you need a durable and certified solution for external proximity probe mounting, the 21000-16-10-00-144-03-02 delivers. This Bently Nevada assembly combines an aluminum body with a 304 stainless steel sleeve, ensuring long-term reliability in harsh industrial environments. It is part of the 21000 series, specifically engineered for use with 3300 XL 8 mm probes and available with CSA explosion-proof approvals.

Key Features and Technical Specifications of the 21000-16-10-00-144-03-02

• Probe Option: 3300 XL 8 mm probe with connector (suffix 16)
• Probe Cable Length: 1.0 m (39 in) (suffix 10)
• Probe Penetration (D Dimension): 14.4 in (144 suffix)
• Mounting Thread: 3/4-14 NPT (suffix 02)
• Fittings Included: One 3/4-14 NPT plug, one 3/4-14 to 1/2-14 NPT reducer, and a cable seal grip with grommets for cable sizes 1/8 to 3/8 inches
• Material: Aluminum body with 304 stainless steel sleeve
• Weight: 1.1 kg (2.4 lb) typical, without fittings
• Hazardous Area Approvals: CSA certified for Class 1 Divisions 1 and 2 Groups C and D; Class 2 Divisions 1 and 2 Groups E, F, G; Class III; Enclosure Type 4; T5 @ Ta = -50 °C to +40 °C; T4 @ Ta = -50 °C to +80 °C

A distinctive feature is the 14.4-inch probe penetration, which allows for flexible installation in machines with varying case thicknesses. This adjustment range of ±0.5 in helps you achieve optimal probe positioning for accurate vibration readings.

Applications and Use Cases for the 21000-16-10-00-144-03-02

This housing assembly is ideal for externally mounting proximity probes on rotating machinery such as compressors, turbines, and pumps. It meets the API 670 standard, making it a trusted choice for critical asset protection. In addition, its CSA Type 4 enclosure rating ensures reliable operation in wet or dusty environments. For applications requiring intrinsic safety, you can pair this housing with hazardous area approved probes.

Installation and Setup Guidance

When installing the 21000-16-10-00-144-03-02, first select the appropriate probe penetration (C plus D dimension). For lengths between 1.0 and 2.0 inches, you may need to counter bore the machine case to reduce side view effects. If the total penetration exceeds 300 mm (12 in), add sleeve support near the probe to prevent resonance. The assembly includes a 3/4-14 NPT mounting thread and comes with conduit fittings for secure cable entry. Always follow the manufacturer's manual for torque specifications and wiring.

Maintenance and Reliability Tips

To maximize the service life of your Bently Nevada housing, inspect the O-rings and thread seal periodically for wear. Verify that the cable seal grip maintains a tight seal around the probe cable to prevent moisture ingress. Because this assembly is rated for hazardous areas, routine checks should confirm that all fittings remain properly tightened. Regular maintenance helps avoid unplanned downtime and extends the life of your monitoring system.

Compatibility and Integration

The 21000-16-10-00-144-03-02 works seamlessly with Bently Nevada 3300 XL 8 mm proximity probes and compatible monitoring systems. It is designed for external mounting per API 670 standards, ensuring straightforward integration into existing vibration monitoring architectures. For intrinsically safe setups, use hazardous area approved probes with this housing.

Frequently Asked Questions about the 21000-16-10-00-144-03-02

What probe does the 21000-16-10-00-144-03-02 use?

This assembly is configured for a 3300 XL 8 mm probe with a connector (suffix 16).

What is the maximum probe cable length for this housing?

The included probe cable length is 1.0 m (39 in). For longer runs, consult the ordering guide for available options.

Is the 21000-16-10-00-144-03-02 approved for hazardous areas?

Yes, it is CSA certified for explosion-proof applications in Class 1 Divisions 1 and 2 Groups C and D, and Class 2 Divisions 1 and 2 Groups E, F, G.

What mounting thread does this assembly use?

It uses a 3/4-14 NPT thread (suffix 02).

Can I adjust the probe penetration after installation?

The probe penetration (D dimension) has an adjustment range of ±0.5 in (13 mm).

Product Support and Availability

The 21000-16-10-00-144-03-02 is available as a new, original factory-packed unit from Petro Auto Tech. It comes with a 12-month factory warranty. Contact our team for current stock levels and lead times.