21000-16-05-15-062-03-02 | Bently Nevada 0.5m Cable Proximity Probe Housing Assembly

What Is the Bently Nevada 21000-16-05-15-062-03-02?

When industrial machinery demands precise vibration monitoring in hazardous environments, the 21000-16-05-15-062-03-02 from Bently Nevada provides a robust solution. This proximity probe housing assembly is engineered for externally mounted probes, offering a durable aluminum body with a 304 stainless steel sleeve. It is rated explosion proof for hazardous areas and certified as CSA Type 4 enclosure, fully compliant with API 670 Standard. The assembly includes a 3300 XL 8 mm probe with a 0.5 m cable, a 1.5 in standoff adapter, and a 6.2 in probe penetration, making it ideal for critical rotating machinery.

Key Features & Technical Specs

• Probe Option: 3300 XL 8 mm probe with connector.
• Probe Cable Length: 0.5 m (20 in) for flexible installation.
• Standoff Adapter: 1.5 in length ensures proper probe positioning.
• Probe Penetration: 6.2 in for deep mounting requirements.
• Fitting Option: Includes one 3/4-14 NPT plug, one 3/4-14 to 1/2-14 NPT reducer, and cable seal grip with grommets for cable sizes from 1/8 to 3/8 inches.
• Mounting Thread: 3/4-14 NPT for secure attachment.
• Material: Aluminum body with 304 stainless steel sleeve for corrosion resistance.
• Weight: 1.1 kg (2.4 lb) typical, without fittings.
• Maximum (C) + (D) Dimension: 13.5 in (34.3 mm) with visible probe P/N and S/N not visible.

One distinctive spec is the 0.5 m probe cable length, which enables close coupling to the machine for reduced signal noise and improved reliability in tight spaces.

Industry Applications & Use Cases

In the oil and gas industry, the 21000-16-05-15-062-03-02 excels for monitoring compressor vibrations in explosive atmospheres. For example, a refinery can install this housing on a centrifugal compressor to detect shaft displacement early, preventing unplanned downtime. Moreover, its CSA Type 4 rating ensures protection against dust and water ingress, making it suitable for outdoor installations in harsh weather. Consequently, engineers choose this assembly for its proven compliance with API 670, ensuring consistent performance in critical rotating equipment.

Installation & Setup Guide

Mount the housing using the 3/4-14 NPT thread option for secure attachment to the machine casing. First, insert the probe into the sleeve and adjust the standoff adapter to the 1.5 in length. Then, connect the probe cable to the monitoring system via the connector. Ensure the cable seal grip accommodates the cable diameter (1/8 to 3/8 inches) to maintain the explosion-proof seal. Finally, torque the NPT fittings appropriately to avoid leakage. Always follow the manufacturer's manual for specific torque values.

Maintenance & Reliability Tips

Periodically inspect the housing for signs of corrosion or damage, especially in corrosive environments. Verify that the cable seal grip remains tight to preserve the explosion-proof rating. Additionally, check the probe cable for wear or kinking, as this can affect signal integrity. By performing these simple checks every six months, you extend the service life of the assembly and reduce the risk of false alarms. This proactive approach aligns with cost-benefit goals by minimizing unplanned maintenance costs.

Compatibility & Integration

The 21000-16-05-15-062-03-02 integrates seamlessly with Bently Nevada monitoring systems that accept 3300 XL 8 mm proximity probes. It is compatible with standard vibration monitoring racks and can be used with intrinsically safe barriers for hazardous area installations. For systems requiring API 670 compliance, this housing meets the standard for externally mounted probes, ensuring straightforward integration into existing machinery protection setups.

Troubleshooting & Common Issues

If the probe signal is noisy, first check the cable connection and ensure the seal grip is properly tightened. A loose fitting can allow moisture ingress, causing intermittent readings. Also, verify that the standoff adapter is set to the correct 1.5 in length, as improper gap can affect linearity. If the housing shows signs of corrosion, replace it promptly to maintain the explosion-proof integrity. For persistent issues, consult the Bently Nevada documentation.

FAQ about 21000-16-05-15-062-03-02

Q: What probe is included with the 21000-16-05-15-062-03-02?

A: It includes a 3300 XL 8 mm proximity probe with a connector.

Q: What is the cable length of the probe?

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

Q: Is this housing explosion proof?

A: Yes, it is rated explosion proof for hazardous areas and CSA Type 4 certified.

Q: What mounting thread does it use?

A: The mounting thread option is 3/4-14 NPT.

Q: What is the weight of the assembly?

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

Product Support & Availability

The 21000-16-05-15-062-03-02 is in stock and ready to ship from Petro Auto Tech. As a trusted supplier of industrial automation parts, we offer new and original factory-packed units with a 12-month warranty. Contact us for pricing and availability.