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Pressure Sensors, Transducers

The MPX12DP is a digital pressure transducer capable of measuring gage and absolute pressure in the ranges of -12 to 10.5 inhg to 0 to 30 psi in a variety of applications. It has a variety of features including accuracy of 0.25% FS, pressure fatigue and non-fatigue cycle, low power consumption and an 80 mV/V output. The MPX12DP uses a high compliance, high sensitivity silicon piezoresistive transducer combined with a highly sophisticated signal conditioning ASIC in a micro-machined package. The pressure transducer is designed to withstand harsh environmental conditions, such as extreme temperatures and high shock or vibration.

Applications

The MPX12DP pressure transducer is ideal for use in oil and gas and petrochemical applications, such as monitoring pressure in pipes, tanks, and wells. It can be used for engineering data acquisition and control, process monitoring, and hazardous environments that require very stable pressure measurement. The MPX12DP is also used in aerospace applications for measuring pressure in the fuel tanks of aircraft, as well as in medical applications for measuring the pressure of fluids, such as blood pressure.

Working Principle

The MPX12DP pressure transducer works by converting a mechanical pressure into an electrical signal. The transducer contains a diaphragm that is exposed to the pressure to be measured. This diaphragm is connected to a strain gauge, which in turn is connected to an electrical circuit. As the pressure is applied to the diaphragm, it deforms. This deformation changes the resistance of the strain gauge, which in turn causes a change in the voltage level of the electrical circuit. The voltage level is then converted into a digital output, which is the pressure measurement.

Conclusion

The MPX12DP pressure transducer is a highly reliable and versatile pressure sensing device for various industries, ranging from oil and gas to medical. It is able to accurately measure pressure in both gauge and absolute ranges, and is capable of withstanding extreme temperatures and various levels of shock and vibration. The pressure transducer works by converting mechanical pressure into an electrical signal with a diaphragm, strain gauge, and electrical circuit, and is able to output a digital signal that accurately reflects the pressure being measured.

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