Bently Nevada 330171-00-12-10-01-CN 3300XL Proximity Probe

  The Bently Nevada 330171-00-12-10-01-CN is a 3300 XL series proximity probe engineered for high-accuracy, non-contact measurement of shaft vibration and position in rotating machinery.
   Rather than interacting with control logic or signal processing directly, this probe serves as the front-end sensing element, converting mechanical shaft movement into a precise electrical signal for machinery protection and condition monitoring systems.

   Designed for long-term industrial use, the probe is widely deployed in critical assets where continuous reliability is mandatory, such as turbines, compressors, and large motors.

   The 3300 XL 8 mm Proximity Transducer System consists of:

       One 3300 XL 8 mm probe,

       One 3300 XL extension cable, and

       One 3300 XL Proximitor Sensor.

   The system provides an output voltage that is directly proportional to the distance between the probe tip and the observed conductive surface and can measure both static (position) and dynamic (vibration) values. The system's primary applications are vibration and position measurements on fluid-film bearing machines, as well as Keyphasor reference and speed measurements. The 3300 XL 8 mm system delivers the most advanced performance in our eddy current proximity transducer systems. The standard 3300 XL 8 mm 5-meter system also fully complies with the American Petroleum Institute's (API) 670 standard for mechanical configuration, linear range, accuracy, and temperature stability. All 3300 XL 8 mm proximity transducer systems provide this level of performance and support complete interchangeability of probes, extension cables, and Proximitor sensors, eliminating the need to match or bench calibrate individual components. Each 3300 XL 8 mm Transducer System component is backward compatible and interchangeable with other non-XL 3300 series 5 mm and 8 mm transducer system components. This compatibility includes the 3300 5 mm probe, for applications in which an 8 mm probe is too large for the available mounting space.

   The Bently Nevada 330171-00-12-10-01-CN probe benefits from the 3300 XL 8 mm transducer system architecture, where the probe, extension cable, and Proximitor sensor are designed to function as a fully interchangeable set. This eliminates the need for individual matching or bench calibration, which significantly reduces installation time and commissioning risk. The probe delivers a linear output voltage directly proportional to shaft displacement, ensuring precise static and dynamic measurements. This design approach improves long-term measurement consistency and makes the probe especially suitable for critical machinery monitoring programs.

   The 330171-00-12-10-01-CN proximity probe is widely applied in fluid-film bearing machines where non-contact shaft measurement is mandatory. Typical installations include steam turbines, gas turbines, centrifugal compressors, and large pumps. The probe accurately monitors shaft vibration and axial position, providing early detection of misalignment, imbalance, oil film instability, or thrust bearing wear. These measurements allow protection systems to initiate alarms or shutdowns before mechanical damage occurs, reducing unplanned downtime and extending asset life.

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