24701-28-10-00-140-00-02 | Bently Nevada 8mm Proximity Probe Housing

Introduction to the 24701-28-10-00-140-00-02

In rotating machinery monitoring, the housing that protects a proximity probe is as critical as the probe itself. The 24701-28-10-00-140-00-02 from Bently Nevada is a precision-engineered proximity probe housing assembly designed to secure and shield the 3300 XL 8mm probe in demanding industrial environments. This assembly ensures reliable vibration and position measurements, which are essential for predictive maintenance and machine protection.

Manufactured by Bently Nevada, a trusted name in condition monitoring, this housing assembly is built to withstand harsh conditions while maintaining measurement integrity. It comes as new and original in factory packing, backed by a 12-month factory warranty.

Key Features and Technical Specifications

The 24701-28-10-00-140-00-02 offers a robust design with specific options tailored for installation flexibility. Below are the key specifications derived directly from the product data:

• Model: 24701 - Proximity Probe Housing Assemblies
• Probe Option: 3300 XL 8mm, with approval option (with connector)
• Probe Cable Length: 1.0 m (39 inches)
• Standoff Adapter: None (option 00)
• Probe Penetration: 14 inches (option 140)
• Fittings: Without fittings (option 00)
• Mounting Thread: 3/4-14 NPT (option 02)
• Material: 303 stainless steel body with 304 stainless steel sleeve
• Weight: 1.8 kg (4.1 lb) typical, without fittings
• Maximum (C) + (D) with visible probe: 17.0 in (43.18 mm)
• Maximum (C) + (D) Dimension: 29.2 in (74.2 mm)

This housing assembly includes a dome cover, threaded ports for conduit connections, a probe sleeve of optional length, O-rings, a reverse mount proximity probe, a thread seal, and optional conduit fittings. The 303 stainless steel body and 304 stainless steel sleeve provide excellent corrosion resistance, making it suitable for harsh environments.

Industry Applications and Use Cases

The 24701-28-10-00-140-00-02 is widely used in industries where rotating machinery must be monitored continuously. Typical applications include:

• Compressors and pumps in oil and gas facilities
• Turbines in power generation plants
• Motors and generators in manufacturing plants
• Paper mill rollers and other heavy rotating equipment

By protecting the proximity probe, this housing assembly helps ensure accurate vibration and displacement readings, which are vital for detecting early signs of mechanical wear or imbalance. This enables maintenance teams to schedule repairs proactively, reducing unplanned downtime and extending equipment life.

Installation and Setup Guidance

Proper installation of the 24701-28-10-00-140-00-02 is crucial for optimal performance. The 3/4-14 NPT mounting thread allows for secure attachment to standard conduit fittings. When installing, ensure that the probe cable length of 1.0 m is sufficient for routing to the monitoring system. The probe penetration of 14 inches should be adjusted to match the target gap requirements for your specific machine. Always follow the manufacturer's installation manual to achieve the correct probe gap and avoid mechanical interference.

Maintenance and Reliability

Regular inspection of the housing assembly is recommended to ensure that all O-rings and seals remain intact, preventing moisture or contaminants from entering the probe area. The stainless steel construction resists corrosion, but periodic checks for physical damage or loose fittings are advisable. By maintaining the housing, you protect the probe and ensure consistent, reliable measurements, which directly contributes to the overall reliability of your condition monitoring system.

Compatibility and Integration

The 24701-28-10-00-140-00-02 is designed to work with Bently Nevada 3300 XL 8mm proximity probes. It is compatible with standard Bently Nevada monitoring systems that accept these probes. The housing assembly does not include fittings, so you may need to source appropriate conduit fittings separately to complete the installation. For integration with your existing monitoring setup, consult the Bently Nevada documentation or contact Petro Auto Tech for assistance.

Troubleshooting and Common Issues

Common issues with proximity probe housings include loose connections, damaged O-rings, or incorrect probe gap. If you experience erratic readings, first check the cable connection and the probe gap. Ensure that the housing is properly sealed to prevent contamination. If problems persist, refer to the manufacturer's troubleshooting guide or contact Petro Auto Tech for technical support.

Frequently Asked Questions

Q: What is the probe cable length for the 24701-28-10-00-140-00-02?

A: The probe cable length is 1.0 meter (39 inches).

Q: What is the mounting thread size on this housing?

A: The mounting thread is 3/4-14 NPT.

Q: Does the 24701-28-10-00-140-00-02 include conduit fittings?

A: No, this model is configured without fittings (option 00).

Q: What is the probe penetration depth?

A: The probe penetration is 14 inches.

Q: What material is the housing made of?

A: The body is 303 stainless steel, and the sleeve is 304 stainless steel.

Product Support and Availability

The 24701-28-10-00-140-00-02 is available through Petro Auto Tech, an industrial automation parts supplier. It is in stock and ready to ship. Please verify current lifecycle status and availability with Petro Auto Tech before ordering.