21000-34-10-20-018-03-02 | Bently Nevada 1.0 m Cable Proximity Probe Housing Assembly

Introduction to the 21000-34-10-20-018-03-02 Proximity Probe Housing Assembly

When reliable vibration monitoring in harsh environments is critical, the 21000-34-10-20-018-03-02 from Bently Nevada delivers a robust solution. This proximity probe housing assembly is part of the 21000 series, designed for externally mounted probes in industrial machinery. It combines an aluminum body with a 304 stainless steel sleeve, ensuring durability in demanding conditions.

The assembly includes a dome cover, threaded ports, a probe sleeve, O-rings, a reverse mount proximity probe, and a thread seal. Optional conduit fittings and a standoff adapter are also available. With CSA Type 4 enclosure certification, it is rated explosion proof for hazardous areas.

Key Features and Technical Specifications of the 21000-34-10-20-018-03-02

• Probe Option: 3300 XL 8 mm probe with connector protector, selectable hazardous area approvals.
• Probe Cable Length: 1.0 m (39 in).
• Standoff Adapter: 2.0 mm.
• Probe Penetration: 1.8 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.
• Maximum (C) + (D) Dimension: 32.9 in (83.5 cm).
• Weight: 1.1 kg (2.4 lb) typical, without fittings.

A standout feature is the 1.0 m probe cable, which simplifies installation in tight spaces. The assembly also supports selectable hazardous area approvals, making it versatile for various safety requirements.

Industry Applications and Use Cases

This housing assembly is ideal for monitoring rotating machinery such as turbines, compressors, and pumps. In oil and gas facilities, its explosion-proof rating ensures safe operation in hazardous zones. Similarly, in power generation plants, the robust construction withstands vibration and temperature extremes. The assembly also meets API 670 standards, making it suitable for critical asset protection.

Installation and Setup Guide

Mount the assembly using the 3/4-14 NPT thread option. Ensure the standoff adapter is correctly set to 2.0 mm for optimal probe positioning. The cable seal grip accommodates multiple cable diameters, simplifying wiring. Always follow the manufacturer’s manual for torque specifications and alignment.

Maintenance and Reliability Tips

Inspect the O-rings and thread seal periodically for wear. The aluminum body with stainless steel sleeve resists corrosion, extending service life. For hazardous area installations, verify the enclosure integrity before each use. Regular checks help prevent unplanned downtime.

Compatibility and Integration

The 21000-34-10-20-018-03-02 works with Bently Nevada monitoring systems and other compatible vibration analysis equipment. The CSA Type 4 enclosure ensures integration into existing safety systems. For specific controller compatibility, consult the official documentation.

Troubleshooting Common Issues

If signal loss occurs, check the probe cable connection and ensure the cable seal grip is tight. For erratic readings, verify the standoff adapter is set to 2.0 mm. In hazardous areas, confirm the housing is properly grounded.

Frequently Asked Questions about the 21000-34-10-20-018-03-02

What is the probe cable length for the 21000-34-10-20-018-03-02?

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

What is the mounting thread option for this assembly?

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

Is the 21000-34-10-20-018-03-02 suitable for hazardous areas?

Yes, it is rated explosion proof and has CSA Type 4 enclosure certification for hazardous areas.

What materials are used in the housing?

The body is aluminum, and the sleeve is 304 stainless steel.

What is the weight of the assembly without fittings?

The typical weight is 1.1 kg (2.4 lb).

Product Support and Availability

The 21000-34-10-20-018-03-02 is in stock and ready to ship from Petro Auto Tech. We offer new and original factory-packed units with a 12-month warranty. Contact us for pricing and delivery options.