8156V5T5L.5HT

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Position Sensors - Angle, Linear Position Measuring

The 8156V5T5L.5HT is an industrial position sensor used primarily in medical, industrial, and agricultural engineering applications. It is designed to detect linear and angular displacement (motion) using piezo-resistive sensing technology.

The 8156V5T5L.5HT consists of a single multi-layer element able to simultaneously detect position, speed and damping information. This position sensor has two main operating modes, differential voltage and frequency transfer, enabling the user to adjust to various application requirements.

Operating Principles

The 8156V5T5L.5HT operates based on piezo-resistive sensing technology, in which a piezo-resistive element, generally a multi-layer element such as a Wheatstone bridge, encodes a physical variable and produces an electrical resistance. The bridge consists of four piezo-resistive strain gauges arranged in a Wheatstone bridge configuration. This component is able to detect changes in resistance based on motion or displacement.

In differential voltage operating mode, when the physical parameter changes with motion, voltage changes across two arms of the bridge, thereby providing information on the displacement. In frequency transfer mode, the resistance values across the bridge are converted to AC signals, which are then measured as corresponding frequency. This allows the user to shift from the traditional analog operation to a more stable and reliable digital output.

Application Fields

The 8156V5T5L.5HT is primarily used as an angle position sensor but can also be used to detect linear displacement. It is appropriate for a wide range of industrial applications, including medical equipment, security systems, and agricultural engineering. It works well in combination with microcontrollers or other electronic systems.

The 8156V5T5L.5HT is particularly well suited for precision control in industrial applications, such as motor control, robotic arms, and wind turbines. In medical applications, it is used to measure patient position for surgery and imaging diagnosis. It is also used in security systems to detect the position of doors and windows in order to ensure security and enable automated locking and unlocking when overhead doors are opened and closed.

Advantages

The 8156V5T5L.5HT is a cost-effective solution for industrial position sensing. It offers high accuracy and repeatability, and its digital signal is more stable and reliable than an analog signal. The two operating modes (differential voltage and frequency transfer) enable the user to adjust to various application requirements. It is also durable, with a rugged construction and a seismic class rating of 10.0g.

The 8156V5T5L.5HT also offers a variety of features that make it an attractive choice for position sensing applications. These include an integrated temperature compensation circuit, thermal overload protection, and a reverse polarity protection circuit.

Conclusion

The 8156V5T5L.5HT is a versatile and cost-effective position sensor for industrial applications. It is designed for angle and linear displacement, providing accuracy and repeatability with a digital signal. It is well-suited for motor control, robotic arms, medical equipment, security systems, and agricultural engineering applications. With its integrated temperature compensation circuit and other built-in features, it is an excellent choice for various position sensing applications.

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