31000-30-05-15-049-03-02 | Bently Nevada 8mm Probe Housing

Why Choose the Bently Nevada 31000-30-05-15-049-03-02?

When machinery vibration threatens uptime, the 31000-30-05-15-049-03-02 from Bently Nevada provides a dependable mounting solution for 3300 XL 8 mm proximity probes. This housing is engineered to protect sensitive sensors in demanding industrial environments, ensuring accurate measurements that help prevent unplanned downtime.

Built with a glass-reinforced Polyphenylene Sulfide (PPS) thermoplastic housing containing conductive fibers, the 31000-30-05-15-049-03-02 offers excellent mechanical strength and electrostatic dissipation. Its stainless steel sleeve and retaining chain (AISI 304) and outer sleeve with exterior screws (AISI 303) deliver corrosion resistance and long-term durability.

Key Features and Technical Specifications

• Probe Compatibility: Designed for the 3300 XL 8 mm probe with connector protector and multiple approvals.
• Cable Length: Includes a 0.5 metre (20 in) probe cable option for flexible installation.
• Standoff Adapter: Minimum length 1.5 in (38 mm) standoff adapter ensures proper probe positioning.
• Probe Penetration: 4.9 in penetration option accommodates various mounting depths.
• Mounting Thread: 3/4-14 NPT thread (required with standoff adapter) provides secure installation.
• Fittings: Includes two plugs, one 3/4-14 NPT fitting, one 3/4-14 to 1/2-14 NPT SST reducer, and a cable seal grip with grommets for cable sizes from 1/8 to 3/8 inches.
• Protection Ratings: Type 4X certified by CSA, IP66 verified, and CENELEC EN50014 rated for electrostatic dissipation in hazardous areas.
• Temperature Range: Operates from -51°C to +105°C (-60°F to +221°F).
• Weight: 1.2 kg (2.6 lb) typical.

One standout feature is the housing’s impact strength: certified by BASEEFA to withstand two separate 4 Joule impacts at extreme temperatures, and CSA-verified to handle a 7 Joule impact at room temperature. This robustness minimizes sensor damage from accidental strikes, reducing replacement costs.

Real-World Applications

In rotating machinery monitoring—such as turbines, compressors, and pumps—the 31000-30-05-15-049-03-02 ensures reliable vibration and position sensing. Its rugged construction suits harsh environments where moisture, dust, or chemical exposure could compromise standard housings. For example, in a petrochemical plant, the IP66 rating protects against water jets, while the conductive PPS material safely dissipates static electricity in potentially explosive atmospheres. Consequently, this housing helps maintain continuous operation in critical processes.

Installation and Setup

Proper installation is key to accurate readings. First, mount the housing using the 3/4-14 NPT thread, ensuring a tight fit to avoid vibration-induced loosening. Then, insert the 3300 XL 8 mm probe through the standoff adapter, adjusting the penetration to 4.9 in as needed. Secure the cable using the provided seal grip and grommets, matching the cable diameter to the appropriate grommet size. Finally, torque the retaining nut to 29.4 N·m (260 in·lb) as recommended, and verify that the probe tip is positioned correctly relative to the target surface.

Maintenance and Reliability

Regular inspection of the housing and its seals is essential to maintain protection ratings. Check the O-ring (Neoprene) for cracks or wear, and ensure the cable seal grip remains tight. Because the housing is designed to withstand impacts, it offers long service life, but periodic checks help catch any damage early. By following these simple steps, you can extend the life of your monitoring system and avoid costly replacements.

Compatibility and Integration

The 31000-30-05-15-049-03-02 is specifically designed for Bently Nevada 3300 XL 8 mm proximity probes, ensuring seamless integration with existing Bently Nevada monitoring systems. This housing is compatible with standard 3/4-14 NPT mounting configurations, making it easy to retrofit into many industrial setups. For detailed compatibility with your specific monitor or transmitter, consult the Bently Nevada documentation or contact Petro Auto Tech.

Frequently Asked Questions

Q: What is the temperature rating of the 31000-30-05-15-049-03-02?

A: The housing operates from -51°C to +105°C (-60°F to +221°F), suitable for extreme environments.

Q: Does the housing come with mounting hardware?

A: Yes, it includes two plugs, one 3/4-14 NPT fitting, a reducer, and a cable seal grip with grommets for various cable sizes.

Q: Is the housing suitable for hazardous areas?

A: Yes, it meets CENELEC EN50014 for electrostatic dissipation of plastic material in hazardous locations.

Q: What is the probe penetration depth?

A: The probe penetration option is 4.9 inches, allowing flexible mounting depth.

Product Support and Availability

The Bently Nevada 31000-30-05-15-049-03-02 is available through Petro Auto Tech. Contact our team for current availability and lead times. We are here to help you source the right parts for your automation needs.