31000-28-05-15-026-06-02 | Bently Nevada 0.5m Cable Proximity Probe Housing

Introduction to the 31000-28-05-15-026-06-02

When machinery vibration threatens uptime, the 31000-28-05-15-026-06-02 from Bently Nevada provides a robust housing solution for 3300 XL 8 mm proximity probes. This 31000 series housing is engineered to protect the probe in demanding industrial settings, ensuring accurate measurement and long service life.

With a 0.5 m (20 in) probe cable and a 1.5 in standoff adapter, this model offers flexibility for installation. The housing is made of glass-reinforced Polyphenylene Sulfide (PPS) thermoplastic with conductive fibers, providing strength and electrostatic dissipation for hazardous areas.

Key Features and Technical Specifications

The 31000-28-05-15-026-06-02 is built to withstand harsh conditions. Its temperature rating spans from -51°C to +105°C (-60°F to +221°F), making it suitable for extreme environments. The housing impact strength is certified by BASEEFA to withstand two separate 4 Joule impacts at -39°C and 115°C, and CSA verified a 7 Joule impact at room temperature.

• Probe Option: 3300 XL 8 mm probe with connector (multiple approvals)
• Cable Length: 0.5 m (20 in)
• Standoff Adapter: 1.5 in
• Probe Penetration: 2.6 in
• Fittings: One 3/4-14 NPT fitting, one 3/4-14 NPT to 1/2-14 NPR SST reducer, two plugs
• Mounting Thread: 3/4-14 NPT
• Housing Material: Glass-reinforced PPS thermoplastic with conductive fibers
• Sleeve Material: AISI 304 stainless steel
• Outer Sleeve & Screws: AISI 303 stainless steel
• O-Ring Material: Neoprene®
• Weight: 1.2 kg (2.6 lb)

One distinctive spec is the Type 4X and IP66 protection rating, which means the housing is sealed against hose-directed water, ideal for washdown environments. This is verified by CSA and tested to CENELEC EN50014 for electrostatic dissipation.

Applications and Use Cases

This housing is ideal for vibration monitoring on rotating machinery such as pumps, motors, and turbines. In petrochemical plants, the IP66 rating ensures protection from moisture and dust. Similarly, in steel mills, the stainless steel sleeve resists corrosion from coolants and lubricants. The 3/4-14 NPT mounting thread allows for standard conduit connections, simplifying installation.

Installation and Setup

When installing the 31000-28-05-15-026-06-02, ensure the mounting thread is properly sealed to maintain the IP66 rating. The recommended torque for the retaining nut is 29.4 N·m (260 in·lb). Use the provided fittings to connect conduit, and verify the probe penetration depth (2.6 in) matches your machine's clearance. Always follow the manufacturer's manual for exact wiring and mounting procedures.

Maintenance and Reliability

Regular inspection of the housing and O-rings is recommended to maintain the seal integrity. The stainless steel components resist corrosion, but periodic checks for damage from impacts or chemical exposure are wise. The housing is designed for long-term reliability, reducing downtime and maintenance costs. For pressure-seal applications, note that the housing is not pressure-tested; contact Bently Nevada for custom pressure testing if needed.

Compatibility and Integration

This housing is specifically designed for use with the 3300 XL 8 mm probe. It is part of the 31000 series, which includes various options for cable length, standoff, and fittings. The 3/4-14 NPT mounting thread is standard for many industrial installations. For integration with monitoring systems, the probe connects via a standard connector, and the housing does not interfere with signal transmission.

Troubleshooting and Common Issues

If you experience signal loss, check the cable connection and ensure the probe is properly seated. Water ingress can occur if the O-rings are damaged, so inspect them regularly. If the housing is exposed to excessive impact, verify the structural integrity. For any issues, refer to the Bently Nevada documentation or contact Petro Auto Tech for assistance.

FAQ about the 31000-28-05-15-026-06-02

Q: What is the temperature rating for this housing?

A: The housing operates from -51°C to +105°C (-60°F to +221°F).

Q: What probe does this housing support?

A: It supports the 3300 XL 8 mm probe with connector, option 28.

Q: What is the mounting thread size?

A: The mounting thread is 3/4-14 NPT, required for the standoff adapter.

Q: Is the housing suitable for hazardous areas?

A: Yes, it has a CENELEC EN50014 rating for electrostatic dissipation of plastic material in hazardous areas.

Q: Can I order a pressure test for the seal?

A: Probes are not pressure tested before shipment; contact Bently Nevada's custom design department for pressure testing.

Product Support and Availability

The 31000-28-05-15-026-06-02 is available through Petro Auto Tech. Contact us for current lifecycle status and availability. We are ready to assist with your order and provide technical support.