24701-16-05-15-120-03-02 | Bently Nevada 8mm Probe Housing Assembly

Introduction to the Bently Nevada 24701-16-05-15-120-03-02

When reliable vibration monitoring is critical, the 24701-16-05-15-120-03-02 from Bently Nevada delivers the protection your rotating machinery needs. This proximity probe housing assembly is part of the trusted 24701 series, engineered to house a 3300 XL 8mm probe. It is built for demanding industrial environments where accurate shaft vibration and position measurements are essential.

The assembly includes a dome cover, threaded ports for conduit connections, a probe sleeve, O-rings, a reverse mount proximity probe, a thread seal, and optional conduit fittings. This complete package simplifies installation and ensures consistent performance.

Key Features and Technical Specifications

The 24701-16-05-15-120-03-02 is designed with precision and durability in mind. Here are the standout features:

• Probe Option: 3300 XL 8mm probe with connector, providing reliable sensing.
• Probe Cable Length: 20 inches (0.5 meters), offering flexible routing options.
• Standoff Adapter: Minimum length 1.5 inches (38 mm) for proper probe positioning.
• Probe Penetration: 12 inches, accommodating deep mounting requirements.
• Mounting Thread: 3/4-14 NPT, ensuring secure installation.
• Fittings: 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.
• Material: 303 stainless steel body with a 304 stainless steel sleeve for corrosion resistance.
• Weight: 1.8 kg (4.1 lb) typical, without fittings.

One distinctive spec is the 3300 XL 8mm probe, which is widely recognized for its accuracy and stability in vibration monitoring. This probe, combined with the robust housing, ensures dependable data collection even in harsh conditions.

Applications and Use Cases

The 24701-16-05-15-120-03-02 is ideal for monitoring shaft vibration in turbines, compressors, pumps, and other rotating equipment. It is commonly used in industries such as power generation, oil and gas, and manufacturing. For example, in a steam turbine, this housing assembly helps detect early signs of imbalance or misalignment, allowing maintenance teams to address issues before they cause unplanned downtime.

Additionally, the 12-inch probe penetration makes it suitable for machines with thick casings or where the probe needs to reach deep into the bearing housing. The stainless steel construction ensures long-term reliability in corrosive environments.

Installation and Setup

Proper installation is key to maximizing the performance of the 24701-16-05-15-120-03-02. The housing assembly is designed for straightforward mounting using the 3/4-14 NPT thread. Ensure the mounting surface is clean and the thread seal is applied to prevent leakage.

The standoff adapter (minimum 1.5 inches) positions the probe correctly relative to the shaft. Adjust the probe penetration to achieve the desired gap, following the manufacturer's guidelines. The cable seal grip accommodates various cable sizes, providing a secure and moisture-resistant entry point.

For best results, consult the Bently Nevada installation manual for specific torque values and gap settings. If you need assistance, Petro Auto Tech can provide additional guidance.

Maintenance and Reliability

Regular inspection of the 24701-16-05-15-120-03-02 ensures long-term reliability. Periodically check the housing for any signs of wear, corrosion, or loose fittings. Verify that the probe cable is securely connected and free from damage.

Because the housing is made of stainless steel, it resists rust and chemical attack, reducing maintenance frequency. The O-rings and thread seal should be inspected during routine maintenance and replaced if they show signs of degradation. By following a simple inspection schedule, you can extend the service life of the assembly and avoid costly downtime.

Compatibility and Integration

The 24701-16-05-15-120-03-02 is designed to work with Bently Nevada monitoring systems, including the 3300 XL series. It can be integrated with vibration monitors, data acquisition systems, and protection relays that accept proximity probe inputs. The 8mm probe is a standard size, making it compatible with many existing installations.

When integrating, ensure the probe cable length (0.5 m) meets your system's requirements. If longer cable runs are needed, consult Bently Nevada for extension options that maintain signal integrity.

Troubleshooting and Common Issues

While the 24701-16-05-15-120-03-02 is reliable, occasional issues may arise. Here are common problems and how to address them:

• Intermittent signal: Check the cable connections and ensure the probe is properly seated. Loose connections can cause signal dropouts.
• No signal: Verify the probe is within the recommended gap range. Adjust the standoff adapter if necessary.
• Corrosion on fittings: Although stainless steel resists corrosion, inspect fittings regularly and replace if damaged.

If problems persist, refer to the Bently Nevada manual or contact Petro Auto Tech for technical support.

Frequently Asked Questions

What is the probe cable length of the 24701-16-05-15-120-03-02?

The probe cable length is 20 inches (0.5 meters), as indicated by the '05' suffix in the part number.

What mounting thread does the 24701-16-05-15-120-03-02 use?

It uses a 3/4-14 NPT thread, which is a standard industrial mounting thread for such assemblies.

What probe is included with the 24701-16-05-15-120-03-02?

The assembly includes a 3300 XL 8mm probe with a connector, ensuring accurate vibration measurements.

Can the 24701-16-05-15-120-03-02 be used in hazardous areas?

This product does not come with any hazardous area certifications, so it is not recommended for explosive environments unless additional protection is provided.

Product Support and Availability

The 24701-16-05-15-120-03-02 is available from Petro Auto Tech, a trusted industrial automation parts supplier. We offer new and original factory-packed units with a 12-month warranty. For current availability and lifecycle status, please contact Petro Auto Tech before ordering.