21000-34-05-30-095-03-02 | Bently Nevada 0.5m Cable Proximity Probe Housing Assembly

Introduction to the 21000-34-05-30-095-03-02

When machinery vibration monitoring demands rugged and precise housing, the 21000-34-05-30-095-03-02 from Bently Nevada delivers. This Proximity Probe Housing Assembly is engineered for hazardous areas with CSA explosion-proof ratings. It combines an aluminum body with a 304 stainless steel sleeve for durability in harsh industrial environments. Maintenance engineers appreciate its straightforward design and reliable performance.

Key Features and Technical Specs of the 21000-34-05-30-095-03-02

• Probe Option: 3300 XL 8 mm probe with connector protector and selectable hazardous area approvals.
• Probe Cable Length: 0.5 m (20 in) for flexible installation.
• Standoff Adapter: 3.0 in length for proper probe positioning.
• Probe Penetration: 9.5 in to reach measurement targets.
• Fitting Option: Includes 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 from 1/8 to 3/8 inches.
• Mounting Thread: 3/4-14 NPT for secure installation.
• Material: Aluminum body with 304 stainless steel sleeve for corrosion resistance.
• Weight: 1.1 kg (2.4 lb) typical, without fittings.
• Temperature Range: Operating and storage from -51°C to +177°C (-60°F to +351°F) for the 3300 XL 8 mm probe.

A standout spec is the 0.5 m probe cable length, which allows close coupling to the machine while reducing signal loss. This feature simplifies installation in tight spaces and improves measurement reliability.

Applications and Use Cases

In rotating machinery such as turbines, compressors, and pumps, the 21000-34-05-30-095-03-02 provides accurate shaft vibration and position monitoring. It is fully compliant with the American Petroleum Institute's API 670 Standard for externally mounted proximity probe housings. Consequently, it suits critical applications in oil and gas, power generation, and petrochemical industries. Maintenance teams rely on its robust construction to minimize unplanned downtime.

Installation and Setup Guide

Installing the 21000-34-05-30-095-03-02 requires attention to the standoff adapter length and probe penetration. First, select the correct mounting thread option (3/4-14 NPT) if the standoff adapter is not -00. Then, feed the probe cable through the housing and secure the dome cover. Ensure the cable seal grip grommets match your cable diameter (1/8 to 3/8 inches). Finally, torque the fittings to manufacturer specifications for a leak-proof seal.

Maintenance and Reliability Tips

Regular inspection of the O-rings and dome cover threads helps maintain the CSA Type 4 enclosure rating. Check the cable seal grip for wear every six months. Because the housing is rated explosion proof, avoid any modification that could compromise its integrity. Following these steps extends service life and reduces replacement costs.

Compatibility and Integration

The 21000-34-05-30-095-03-02 works with Bently Nevada 3300 XL 8 mm proximity probes and compatible monitoring systems. It integrates seamlessly into existing vibration monitoring networks. For intrinsically safe applications, pair it with hazardous area approved probes. Always verify system compatibility with your Bently Nevada documentation.

Frequently Asked Questions

What is the probe cable length for the 21000-34-05-30-095-03-02?

The probe cable length is 0.5 m (20 in) as specified in the ordering information.

What temperature range does the 21000-34-05-30-095-03-02 support?

The 3300 XL 8 mm probe operates and stores from -51°C to +177°C (-60°F to +351°F).

Is the 21000-34-05-30-095-03-02 suitable for hazardous areas?

Yes, it is CSA approved as explosion proof for hazardous areas and can be ordered with selectable hazardous area approvals.

What materials are used in the 21000-34-05-30-095-03-02 housing?

The housing has an aluminum body with a 304 stainless steel sleeve.

Product Support and Availability

The 21000-34-05-30-095-03-02 is in stock and ready to ship from Petro Auto Tech. It comes as new and original in factory packing with a 12-month warranty. Contact Petro Auto Tech for current lifecycle status and availability before ordering.