Bently Nevada 137110-01 Proximitor Sensor

Bently Nevada 137110-01 Proximitor Sensor is a sensor based on eddy current sensing technology. The following is its relevant information:

Working principle

There is a small coil inside the sensor probe, which is controlled by the controller to generate an oscillating electromagnetic field. When approaching the object under test, an induced current will be generated on the surface of the object under test, which in turn generates a reverse electromagnetic field. The eddy current sensor determines the distance between the sensor and the measured object based on the intensity of the reverse electromagnetic field. Through the processing of the preamplifier electronic circuit, the change in coil impedance, that is, the change in the distance between the head body coil and the metal conductor, is converted into the change in voltage or current, thereby achieving the measurement of parameters such as the displacement and vibration of the metal object.

Functional characteristics

High-precision measurement: It can accurately measure the position and vibration of the rotor shaft, with a typical linear range of up to 2mm (80mils) and a sensitivity of 7.87V/mm (200mV/mil).

Wide temperature range: It can maintain accuracy within the temperature range of -35 °C to + 120°C (-31°F to + 248°F), ensuring stable performance under various working conditions.

Durable and reliable: Made of sturdy materials, it can withstand harsh industrial environments such as high temperatures, humidity and pollutants. Some models meet the requirements of the European CE marking and have good adaptability and reliability.

Non-contact measurement: Based on eddy current technology, it does not require direct contact with the object being measured, avoiding wear and interference caused by contact, and can work stably for a long time.

Application field

It is applicable to a variety of rotating machinery, including gas and steam turbines, compressors, pumps and electric motors, etc. It is often used in conjunction with monitoring systems such as Bently Nevada's 3300 and 3500 series to provide comprehensive mechanical protection and condition monitoring for industrial equipment.