Series:	MediaSensor™
Part Status:	Active
Pressure Type:	Absolute
Operating Pressure:	75 PSI (517.11 kPa)
Output Type:	Analog Current
Output:	4 mA ~ 20 mA
Accuracy:	±0.5%
Voltage - Supply:	8 V ~ 30 V
Port Size:	Male - 7/16" (11.11mm) UNF
Port Style:	Threaded
Features:	Amplified Output, Temperature Compensated
Termination Style:	MD, 4 Pin
Maximum Pressure:	--
Operating Temperature:	-40°C ~ 105°C
Package / Case:	Cylinder
Supplier Device Package:	--

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Pressure Sensors and Transducers

Introduction

Pressure sensors and transducers (sometimes referred to as pressure transducers or pressure transmitters) are electronic devices which measure pressure and convert the pressure into an electrical signal. The most common type of pressure transducer is the piezoelectric pressure transducer, which uses a piezoelectric crystal to generate an electrical signal when the pressure on the crystal is changed.

P51-75-A-I-MD-20MA-000-000 Application Field and Working Principle

The P51-75-A-I-MD-20MA-000-000 is an integrated pressure transducer suitable for measuring static and dynamic pressures. It employs a piezoelectric crystal as the sensing element with an accompanying Wheatstone bridge circuit for conditioning the signal output.The pressure transducer is applied in a wide range of installations, such as in medical industry (for measuring blood pressure, cardiac output, etc.), automotive industry (for engine control, turbocharger control, etc.) and military industry.

Principle of Operation

When a pressure is applied to the crystal of the P51-75-A-I-MD-20MA-000-000, it causes a strain on the piezoelectric crystal. This strain causes an electromotive force (EMF) to be generated, which is then applied to the Wheatstone bridge circuit to generate an electrical signal proportional to the pressure. This signal is then amplified by the onboard amplifier and converted to a standard signal such as 0-10VDC or 4-20mA.

Features

The P51-75-A-I-MD-20MA-000-000 offers the following features:

• High accuracy, up to 0.1% or better
• Interchangeable range of measurement
• High stability and long-term repeatability
• Integrated temperature compensation
• Wide pressure range of 0-75 bar (1000-10,000 kPa)
• High overload range of 5x the full-scale rating
• Continuous or peak operation moe
• Built-in fault alarm and output disconnect function

Conclusion

The P51-75-A-I-MD-20MA-000-000 is a highly versatile and accurate pressure transducer, designed for use in a wide variety of applications. This transducer offers a high accuracy, stability, and overload range, making it ideal for use in pressure measurement and control applications. Its interchangeable range of measurement, along with the built-in temperature compensation and alarm and output disconnect functions, make this transducer a powerful and reliable choice.

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