The Bently Nevada 330851-04-000-020-90-00-00 3300 XL 25 mm Proximity Probe is a precision-engineered component designed for use with the Bently Nevada 3300 XL series proximity transducer system. It is widely applied in condition monitoring of rotating machinery, enabling accurate non-contact measurements of shaft vibration and position. The probe operates based on eddy-current technology, providing reliable readings even in harsh industrial environments such as turbines, compressors, and motors. Its robust construction and extended length configuration make it suitable for installations requiring long-distance cabling while maintaining measurement integrity.

Product Parameters

Product Applications

• Steam and Gas Turbines – shaft vibration and displacement monitoring.

• Compressors – detecting shaft dynamic behavior to prevent catastrophic failure.

• Pumps – monitoring operational stability and misalignment.

• Motors and Generators – ensuring optimal performance by detecting vibration trends.

• Gearboxes – identifying early signs of wear or imbalance.

Product Advantages

• High Reliability: Designed to meet demanding API 670 standards for machinery protection.

• Extended Length Compatibility: 9-meter configuration enables flexible installation in large-scale equipment.

• Superior Linearity: Maintains consistent and precise output across the full linear range.

• Robust Construction: Ceramic probe tip ensures long-term durability against wear and harsh environments.

• System Integration: Fully compatible with the Bently Nevada 3300 XL Proximitor Sensors and extension cables.

• Proven Technology: Backed by decades of field use in critical industries worldwide.

FAQ

Q1: What is the output sensitivity of this probe?

A1: The probe provides an output sensitivity of 200 mV/mil (7.87 mV/µm).

Q2: Is the probe compatible with all 3300 XL Proximitor Sensors?

A2: Yes, it is designed for full compatibility with 3300 XL Proximitor Sensors of the same series.

Q3: What is the linear measurement range of this probe?

A3: The linear range extends from 0 to –25 mm (0 to –1.0 in).

Q4: Can the probe operate in high-temperature environments?

A4: Yes, it operates reliably in a temperature range of –35 °C to +177 °C.

Q5: How does the probe connect to the measurement system?

A5: It connects via a compatible extension cable and Proximitor Sensor module.

Q6: Does the probe comply with API 670 requirements?

A6: Yes, it fully meets API 670 specifications for vibration and position monitoring.

Q7: What is the primary measurement principle of this probe?

A7: It operates on the eddy-current principle for non-contact displacement measurement.

Q8: Is shielding included for noise immunity?

A8: Yes, the probe is designed with shielding to reduce electromagnetic interference.

Q9: Can this probe detect both static and dynamic shaft displacement?

A9: Yes, it is capable of measuring both static position and dynamic vibration.

Q10: What is the mounting thread size for installation?

A10: It uses a standard 3/8–24 UNF mounting thread.