Bently Nevada 330704-005-040-10-02-00 3300 XL 11 mm Proximity Probes

Product Introduction

The Bently Nevada 330704-005-040-10-02-00 3300 XL 11 mm Proximity Probe is a precision-engineered non-contact displacement sensor used for monitoring the vibration and position of rotating machinery. It is part of the advanced Bently Nevada 3300 XL Series, a globally recognized family of transducers designed for reliability and stability in industrial environments. The probe utilizes the eddy current sensing principle, providing accurate and linear measurements of the distance between the probe tip and the metallic target surface, such as a rotating shaft or rotor.

This model, the 330704-005-040-10-02-00, features a durable stainless-steel probe tip, a double-shielded coaxial cable, and a corrosion-resistant connector assembly. It offers superior signal integrity even in high-temperature, high-vibration, or electrically noisy environments. Typically paired with the 3300 XL Proximitor Sensor and an extension cable, it forms a complete proximity measurement system that outputs a voltage proportional to the target’s displacement. Designed for long-term stability and minimal drift, this probe ensures dependable performance in turbine, compressor, motor, and pump monitoring applications where machine reliability and safety are critical.

Technical Specifications

Product Applications

The Bently Nevada 330704-005-040-10-02-00 proximity probe is primarily used in machinery protection and condition monitoring systems. Its non-contact design allows it to detect mechanical behavior in critical rotating assets without physical interference. Key applications include:

• Steam and Gas Turbines: Measuring shaft vibration, eccentricity, and axial position to prevent failure due to imbalance or misalignment.

• Compressors: Detecting rotor movement, misalignment, and bearing wear in high-speed rotating components.

• Electric Motors and Generators: Monitoring bearing vibration and shaft displacement for predictive maintenance.

• Pumps and Fans: Tracking shaft deflection and mechanical looseness to ensure balanced operation.

• Industrial Gearboxes: Measuring shaft position and vibration to detect wear or gear misalignment.

• Process Equipment: Supporting continuous condition monitoring to avoid unplanned downtime and enhance operational safety.

By integrating with Bently Nevada’s Proximitor and monitoring systems, this probe provides accurate, real-time data used for diagnostic, protective, and control functions in machinery management systems.

Product Advantages

• High Measurement Accuracy: Ensures precise detection of vibration and shaft displacement using advanced eddy current technology.

• Wide Operating Temperature Range: Capable of functioning stably from -35°C to +177°C, suitable for turbines and high-heat applications.

• Excellent Linearity and Repeatability: Delivers consistent readings within its full range, ensuring trustworthy long-term monitoring.

• Superior Durability: Stainless steel probe body and corrosion-resistant materials ensure robust performance in harsh environments.

• Strong Electromagnetic Resistance: Double-shielded coaxial cable prevents signal interference, maintaining stable output under electrical noise.

• Easy Integration: Fully compatible with Bently Nevada’s 3300 XL Proximitor Sensor and other system components.

• Maintenance-Free Design: Non-contact operation eliminates mechanical wear, extending operational reliability.

FAQ

1. What sensing technology does the 330704-005-040-10-02-00 probe use?
   It uses eddy current sensing, which measures the gap between the probe and the metallic target surface by detecting induced current changes.

2. Which Proximitor Sensor is suitable for use with this probe?
   It is compatible with the Bently Nevada 3300 XL Proximitor Sensor, ensuring accurate calibration and consistent signal output.

3. What is the standard system output sensitivity?
   The system provides a 200 mV/mil (7.87 mV/μm) output, offering precise shaft vibration and displacement monitoring.

4. How is temperature stability maintained during operation?
   The probe is built with temperature-compensated materials and design, allowing stable measurements across a wide range from -35°C to +177°C.

5. Which materials are best suited as target surfaces?
   It is calibrated to AISI 4140 steel, though it can be used with other conductive metals with minor sensitivity adjustments if necessary.

6. Can this probe measure both static and dynamic motion?
   Yes, it can detect static displacement (such as shaft position) and dynamic vibration (caused by imbalance or misalignment).

7. What installation factors influence probe accuracy?
   The probe should be installed perpendicular to the target surface, with a correct gap setting and secure grounding to ensure stable readings.

8. How does the probe reduce electromagnetic interference?
   Its double-shielded coaxial cable and internal grounding minimize noise pickup, maintaining signal clarity in high-EMI areas.

9. What frequency range does this probe support for vibration measurement?
   It supports a DC to 10 kHz bandwidth, making it suitable for both slow and high-speed rotating machinery.

10. Does the probe meet international machinery protection standards?
    Yes, it fully complies with API 670, and meets CE, CSA, and ATEX certifications when installed in approved monitoring systems.

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FAQ

1. What sensing technology does the 330704-005-040-10-02-00 probe use?
   It uses eddy current sensing, which measures the gap between the probe and the metallic target surface by detecting induced current changes.

2. Which Proximitor Sensor is suitable for use with this probe?
   It is compatible with the Bently Nevada 3300 XL Proximitor Sensor, ensuring accurate calibration and consistent signal output.

3. What is the standard system output sensitivity?
   The system provides a 200 mV/mil (7.87 mV/μm) output, offering precise shaft vibration and displacement monitoring.

4. How is temperature stability maintained during operation?
   The probe is built with temperature-compensated materials and design, allowing stable measurements across a wide range from -35°C to +177°C.

5. Which materials are best suited as target surfaces?
   It is calibrated to AISI 4140 steel, though it can be used with other conductive metals with minor sensitivity adjustments if necessary.

6. Can this probe measure both static and dynamic motion?
   Yes, it can detect static displacement (such as shaft position) and dynamic vibration (caused by imbalance or misalignment).

7. What installation factors influence probe accuracy?
   The probe should be installed perpendicular to the target surface, with a correct gap setting and secure grounding to ensure stable readings.

8. How does the probe reduce electromagnetic interference?
   Its double-shielded coaxial cable and internal grounding minimize noise pickup, maintaining signal clarity in high-EMI areas.

9. What frequency range does this probe support for vibration measurement?
   It supports a DC to 10 kHz bandwidth, making it suitable for both slow and high-speed rotating machinery.

10. Does the probe meet international machinery protection standards?
    Yes, it fully complies with API 670, and meets CE, CSA, and ATEX certifications when installed in approved monitoring systems.

Related Models (Same Series)

Popular Bently Nevada Models

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