SPT4V0015PG5W02

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Pressure Sensors, Transducers

The SPT4V0015PG5W02 pressure transducer is used for applications where digital or analog output pressure signals are required. It is a small, low-cost pressure transducer designed for measuring absolute pressure in a wide range of industrial, automotive, medical, and aerospace applications. The SPT4V0015PG5W02 uses a piezoresistive pressure sensing element and provides a 4-20 mA output signal with a maximum pressure range of +/- 15psi.

Application field

The SPT4V0015PG5W02 is very versatile and can be used in many different industries. In automotive applications, it can be used for fuel pressure and air/oil level monitoring. Additionally, the SPT4V0015PG5W02 can be used in liquid level sensing, hydraulic systems, engine performance monitoring, and climate control systems. In medical applications, it is commonly used for monitoring negative and positive absolute pressures in medical diagnostic equipment.

In industrial applications, the SPT4V0015PG5W02 is used for various process monitoring applications, including pressure, flow, level, and temperature. It is also used in process control systems for monitoring pressure in pneumatic, hydraulic, and accumulator systems, and for monitoring pressure in an aneroid barometer to control airspeed and altitude. In aerospace applications, it is used for pressure monitoring in the aircraft cabin, engines, and avionics.

Working Principle

The SPT4V0015PG5W02 relies on a piezoresistive pressure sensing element to measure the pressure. This element incorporates a Wheatstone bridge circuit with four resistors that have different resistance values when exposed to pressure. As the pressure changes, the bridge outputs different voltage levels, which are then converted to a 4-20 mA current signal.

The pressure sensing element is sensitive to changes in temperature, and thus the SPT4V0015PG5W02 is also equipped with a temperature compensation circuit. This circuit helps to ensure that the output takes into account the changes that occur in the resistance of the pressure sensing element due to changes in temperature. Additionally, most models are equipped with a zero and span adjustments that allow the user to adjust the output ranges to meet their desired needs.

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