21000-28-10-30-018-04-02 | Bently Nevada 1.0 m Cable Proximity Probe Housing Assembly

Introduction to the Bently Nevada 21000-28-10-30-018-04-02

When selecting a robust proximity probe housing for hazardous environments, the 21000-28-10-30-018-04-02 from Bently Nevada delivers reliable performance. This assembly combines an aluminum body with a 304 stainless steel sleeve, ensuring durability in demanding industrial settings. With a 1.0 m (39 in) probe cable and 1.8 in probe penetration, it meets API 670 standards for externally mounted probes.

Key Features and Technical Specifications

• Probe Option: 3300 XL 8 mm probe with selectable hazardous area approvals.
• Cable Length: 1.0 m (39 in) for flexible installation.
• Standoff Adapter: 3 in length for proper probe positioning.
• Probe Penetration: 1.8 in for accurate measurements.
• Fitting: One 3/4-14 NPT plug for conduit connection.
• 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.
• Certifications: CSA Type 4 enclosure, explosion-proof for Class I Divisions 1 and 2 Groups C and D, Class II Divisions 1 and 2 Groups E, F, and G, and Class III. RoHS compliant.

Applications and Use Cases

Engineers often deploy the 21000-28-10-30-018-04-02 in refineries, chemical plants, and gas processing facilities where explosive atmospheres exist. It supports vibration monitoring on rotating machinery such as compressors, turbines, and pumps. As a result, it helps prevent unscheduled downtime by providing reliable proximity sensing in harsh conditions.

Installation and Setup

Mount the housing using the 3/4-14 NPT thread option. Ensure the standoff adapter (3 in) is installed correctly to achieve the required probe gap. Connect the 1.0 m cable to the monitoring system per Bently Nevada guidelines. Always follow local electrical codes and the manufacturer's manual for safe installation.

Maintenance and Reliability

Regularly inspect the housing for signs of wear or corrosion, especially in corrosive environments. Check the O-rings and thread seal periodically to maintain the explosion-proof rating. Following these steps extends service life and reduces total cost of ownership.

Compatibility and Integration

The 21000-28-10-30-018-04-02 integrates with Bently Nevada monitoring systems and third-party vibration analyzers. It accepts 3300 XL 8 mm probes with hazardous area approvals, making it suitable for intrinsic safety applications when paired with appropriate barriers.

Frequently Asked Questions

What is the cable length of the 21000-28-10-30-018-04-02?

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

What certifications does this housing have?

It is CSA Type 4 certified for explosion-proof use in hazardous areas and RoHS compliant.

What is the probe penetration depth?

The probe penetration is 1.8 in.

What material is the housing made of?

The body is aluminum with a 304 stainless steel sleeve.

Product Support and Availability

The 21000-28-10-30-018-04-02 is available in new, original factory packaging from Petro Auto Tech. Contact our team for current stock levels and lead times.