21000-28-10-20-018-04-02 | Bently Nevada 1.0 m Cable Proximity Probe Housing Assembly

What Makes the Bently Nevada 21000-28-10-20-018-04-02 Essential for Hazardous Area Monitoring?

When rotating machinery in hazardous environments demands precise vibration measurement, the 21000-28-10-20-018-04-02 from Bently Nevada delivers a robust solution. This proximity probe housing assembly combines an aluminum body with a 304 stainless steel sleeve, ensuring durability in demanding industrial settings. With a 1.0 m probe cable and a 2 in standoff adapter, it provides accurate clearance measurements for critical assets like turbines and compressors.

Key Features and Technical Specifications of the 21000-28-10-20-018-04-02

• Probe Option: 3300 XL 8 mm probe with selectable hazardous area approvals
• Probe Cable Length: 1.0 m (39 in)
• Standoff Adapter: 2 in
• Probe Penetration: 3 in
• Fitting Option: One 3/4-14 NPT plug only
• Mounting Thread: 3/4-14 NPT
• Material: Aluminum body with 304 stainless steel sleeve
• Weight: 1.1 kg (2.4 lb) typical, without fittings
• Maximum (C) + (D) Dimension: 32.9 in (83.5 cm) with visible probe

A standout feature is the 3300 XL 8 mm probe, which offers selectable hazardous area approvals for flexible deployment in explosive environments. This ensures compliance with safety standards without sacrificing measurement accuracy.

Real-World Applications for the 21000-28-10-20-018-04-02

In oil and gas refineries, the 21000-28-10-20-018-04-02 monitors shaft vibration in compressors and pumps, helping prevent unplanned downtime. Similarly, in petrochemical plants, it provides reliable data for turbine protection systems. Its CSA Type 4 enclosure rating makes it suitable for outdoor installations where moisture and dust are concerns.

Installation Guide for the Proximity Probe Housing Assembly

Mount the housing using the 3/4-14 NPT thread option, ensuring a secure fit in the machine casing. The standoff adapter of 2 in positions the probe correctly for optimal clearance. Always verify the probe penetration of 3 in matches the machine's requirements before tightening fittings.

Maintenance and Reliability Tips

Periodically inspect the O-rings and thread seal for wear, as these components maintain the explosion-proof integrity. The aluminum body resists corrosion, but check the stainless steel sleeve for any damage after heavy use. Regular calibration checks ensure measurement accuracy over time.

Compatibility and Integration

The 21000-28-10-20-018-04-02 integrates seamlessly with Bently Nevada monitoring systems, supporting standard proximity probe interfaces. It is fully compliant with the American Petroleum Institute's API 670 Standard for externally mounted proximity probe housings, ensuring interoperability in critical machinery protection setups.

Frequently Asked Questions about the 21000-28-10-20-018-04-02

Q: What is the probe cable length for the 21000-28-10-20-018-04-02?

A: The probe cable length is 1.0 m (39 in).

Q: Is the 21000-28-10-20-018-04-02 suitable for hazardous areas?

A: Yes, it is CSA certified for explosion-proof applications in Class I Divisions 1 and 2 Groups C and D, among others.

Q: What is the weight of the 21000-28-10-20-018-04-02?

A: It weighs 1.1 kg (2.4 lb) typical, without fittings.

Q: What mounting thread does the 21000-28-10-20-018-04-02 use?

A: It uses a 3/4-14 NPT mounting thread.

Q: What is the probe penetration for this model?

A: The probe penetration is 3 in.

Product Support and Availability

The 21000-28-10-20-018-04-02 is in stock and ready to ship from Petro Auto Tech. Contact our team for assistance with ordering or technical inquiries.