330101-00-12-10-02-00 | Bently Nevada 8 mm Probe 1.0 m

Introduction to the Bently Nevada 330101-00-12-10-02-00

For maintenance engineers, reliable vibration monitoring is critical to preventing unplanned downtime. The 330101-00-12-10-02-00 from Bently Nevada is a 3300 XL 8 mm probe designed to deliver accurate, repeatable measurements in demanding industrial environments. This probe features a 3/8-24 UNF thread and a 1.0 metre (3.3 feet) total length, making it suitable for a variety of mounting configurations.

Part of the trusted 3300 XL series, this probe incorporates patented TipLoc and CableLoc designs for enhanced durability. The TipLoc molding method creates a robust bond between the probe tip and body, while the CableLoc design provides 330 N (75 lbf) pull strength to securely attach the cable and tip. These features help reduce the risk of sensor failure due to mechanical stress.

Key Features and Technical Specifications

The 330101-00-12-10-02-00 offers several technical specifications that make it a dependable choice for vibration monitoring:

• Probe Type: 3300 XL 8 mm probe with 3/8-24 UNF thread, without armor.
• Overall Case Length: 1.2 inches (option 12).
• Total Length: 1.0 metre (3.3 feet) (option 10).
• Connector: Miniature coaxial ClickLoc connector with standard cable (option 02).
• Linear Range: 2 mm (80 mils), starting at approximately 0.25 mm (10 mils) from target, extending to 2.3 mm (90 mils).
• Incremental Scale Factor (ISF): 7.87 V/mm (200 mV/mil) ±5% for standard 1 meter systems, measured over the linear range at 0°C to +45°C.
• Deviation from Straight Line (DSL): Less than ±0.025 mm (±1 mil) for standard 1 meter systems.
• Probe Tip Material: Polyphenylene sulfide (PPS).
• Probe Case Material: AISI 303 or 304 stainless steel.
• Operating Temperature: -52°C to +177°C (-62°F to +350°F) for standard probe.
• Relative Humidity: Less than 3% change in Average Scale Factor when tested at 93% humidity per IEC 68-2-3.

These specifications ensure stable performance across a wide range of conditions, making the probe suitable for critical machinery protection.

Installation and Setup

Proper installation is essential for accurate vibration readings. The 3/8-24 UNF thread allows for standard mounting, and the ClickLoc connector simplifies cable attachment. When installing, ensure the probe tip is positioned within the recommended gap setting of -9 Vdc (approximately 1.27 mm or 50 mils) for radial vibration measurements. Use shielded triad cable with tinned field wiring, and keep the maximum length between the Proximitor Sensor and monitor at or below 305 meters (1,000 feet) to avoid signal degradation.

Always follow the manufacturer's guidelines for torque and mounting depth to prevent damage to the probe tip. The unthreaded length option 00 (0.0 inches) means the probe has no unthreaded section, so plan the mounting hole depth accordingly.

Maintenance and Reliability

Regular inspection of the probe and cable is recommended to ensure long-term reliability. Check for any signs of physical damage, especially at the cable entry points and connector. The robust PPS tip and stainless steel case resist wear, but environmental factors such as extreme temperatures or humidity can affect performance. Although the probe is designed to seal differential pressure, it is not pressure tested before shipment; if your application requires a pressure seal test, contact the custom design department.

Because the probe operates in harsh conditions, periodic verification of the scale factor and linear range is advisable. If readings drift, verify that the probe gap is still within the recommended range and that the cable is securely connected.

Applications and Use Cases

The 330101-00-12-10-02-00 is ideal for monitoring rotating machinery such as turbines, compressors, and pumps. Its 8 mm size offers a thicker encapsulation of the probe coil, providing enhanced robustness against physical abuse. This makes it a preferred choice for applications where vibration sensors are exposed to impact or vibration. The probe's linear range and scale factor are well-suited for radial vibration measurements, helping maintenance teams detect early signs of bearing wear or misalignment.

Compatibility and Integration

This probe is designed to work with Bently Nevada 3300 XL Proximitor sensors and monitoring systems. The miniature coaxial ClickLoc connector ensures a secure connection, and the standard cable length of 1.0 meter is suitable for many installations. For longer runs, extension cables can be used, but keep total cable capacitance in mind to maintain signal integrity.

FAQ about the 330101-00-12-10-02-00

Q: What is the linear range of the 330101-00-12-10-02-00?

A: The linear range is 2 mm (80 mils), starting at approximately 0.25 mm (10 mils) from the target and extending to 2.3 mm (90 mils).

Q: What is the recommended gap setting for radial vibration?

A: The recommended gap setting is -9 Vdc, which corresponds to approximately 1.27 mm (50 mils).

Q: What is the operating temperature range for this probe?

A: The standard probe operates from -52°C to +177°C (-62°F to +350°F).

Q: Does the probe come with armor?

A: No, this model is without armor, as indicated by the product type.

Q: What is the pull strength of the cable?

A: The CableLoc design provides 330 N (75 lbf) pull strength to securely attach the probe cable and tip.

Product Support and Availability

In stock and ready to ship. For ordering assistance or technical questions, contact Petro Auto Tech. We are your trusted source for industrial automation parts, ensuring you get genuine Bently Nevada components.