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Pressure Sensors, Transducers

P51-750-S-AD-D-4.5V-000-000 is a type of pressure sensor that is primarily used for reactive force measurement. It is a differential type of pressure transducer, with a frequency response that extends up to 20 kHz. The pressure sensor’s measurement range is 0 to 750 kPa. It has a maximum pressure rating of 1,000 kPa and is ideal for air or gas sensing applications. The device is designed to measure the force produced when a pressure difference is applied to its two ports. The output of the pressure sensor is proportional to the rate of change in pressure at the two ports. The output is a standard 4-20 mA DC or 0-5 VDC signal, and the device is powered by a 4.5V external voltage source.

Application Field

The P51-750-S-AD-D-4.5V-000-000 pressure sensor is primarily used for pressure sensing and controlling applications in the automotive, robotics, aerospace, and medical fields. It is especially suited for use in mobile robotics, such as autonomous vehicles or aerial drones, due to its small size (51 mm x 75 mm) and light weight (230 g). The device is also suitable for applications where measuring fast-changing pressure is required, including air conditioning systems, gas Leak Detectors, and automotive engine control systems.

Working Principle of Pressure Sensors

The working principle of pressure sensors is based on what is known as the piezoresistive effect, which is the change in electrical resistance of certain materials when under mechanical stress. In the case of the P51-750-S-AD-D-4.5V-000-000 pressure sensor, this effect is used to measure the pressure applied to the two ports when a pressure difference is applied. The device is constructed from a diaphragm made of a piezoresistive material, which is connected to four strain gauges. When pressure is applied to the two ports, the strain gauges deform due to the piezoresistive effect. This in turn causes the electrical resistance of the strain gauges to change, and the voltage across them is proportional to the rate of change in the pressure at the two ports. This voltage is then converted to a standard 4-20 mA DC or 0-5 VDC signal that can be read by an external device, such as a control system.

The P51-750-S-AD-D-4.5V-000-000 pressure sensor is an ideal choice for reactive force measurement applications due to its fast response time, small size, and stiffness. Its robust construction makes it suitable for use in harsh environments, and its range of operating voltages makes it an excellent choice for embedded applications. The sensor’s accuracy and reliability make it an excellent choice for a range of automation and control applications.

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