Pressure Sensors

A pressure sensor is a device which senses pressure and converts it into an analog electric signal whose magnitude depends upon the pressure applied. Pressure is defined as force per unit area that a fluid exerts on its surrounding. Since they convert pressure into an electrical signal, they are also termed as pressure transducers.


Absolute pressure is measured relative to a perfect vacuum, atmospheric pressure is an example. A common unit of measurement is pounds per square inch absolute (psia). Differential pressure is the difference in pressure between two points of measurement. This is commonly measured in units of pounds per square inch differential (psid). Gauge pressure is measured relative to ambient pressure, blood pressure is one example. Common measurement units are pressure per square inch gauge (psig).


The SI unit for pressure is the Pascal (N/m2), but other common units of pressure include pounds per square inch (PSI), atmospheres (atm), bars, inches of mercury (in Hg), and millimetres of mercury (mm Hg).


Pressure sensors have been widely used in fields like automobile, manufacturing, aviation, bio medical measurements, air conditioning, hydraulic measurements etc. In automotive industry, pressure sensors form an integral part of the engine and its safety. In the engine these sensors monitor the oil and coolant pressure and regulate the power that the engine should deliver to achieve suitable speeds whenever accelerator is pressed or the brakes are applied to the car. In instruments like digital blood pressure monitors and ventilators, pressure sensors are needed to optimize them according to patient’s health and his requirements.


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Videos

Small Wonder Amplified Basic Pressure Sensors

EN | Bosch Working principle of a pressure sensor

Formula E Pressure Sensor

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MPXV7002DP
MPXV7002DP - Pressure Sensor, Differential, 1 V/kPa, -2 kPa, 2 kPa, 4.75 V, 5.25 V

70K3587

Pressure Sensor, Differential, 1 V/kPa, -2 kPa, 2 kPa, 4.75 V, 5.25 V

NXP

PRESSURE SENSOR, 2KPA, 10 TO 60DEG C; Pressure Type:Differential; Sensitivity, V/P:1V/kPa; Operating Pressure Min:-2kPa; Operating Pressure Max:2kPa; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Sensor Case Style:SOP RoHS Compliant: Yes

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    MPX5700GP
    MPX5700GP - Pressure Sensor, Gauge, 6.4 mV/kPa, 0 kPa, 700 kPa, 4.75 V, 5.25 V

    66F7113

    Pressure Sensor, Gauge, 6.4 mV/kPa, 0 kPa, 700 kPa, 4.75 V, 5.25 V

    NXP

    PRESSURE SENSOR, 700KPA, -40 TO 125DEG C; Pressure Type:Gauge; Sensitivity, V/P:6.4mV/kPa; Operating Pressure Min:0kPa; Operating Pressure Max:700kPa; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Sensor Case Style:SIP RoHS Compliant: Yes

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    MPX4250AP
    MPX4250AP - Pressure Sensor, Absolute, 20 mV/kPa, 20 kPa, 250 kPa, 4.85 V, 5.35 V

    07F9899

    Pressure Sensor, Absolute, 20 mV/kPa, 20 kPa, 250 kPa, 4.85 V, 5.35 V

    NXP

    PRESSURE SENSOR, 250KPA, -40 TO 125DEG C; Pressure Type:Absolute; Sensitivity, V/P:20mV/kPa; Operating Pressure Min:20kPa; Operating Pressure Max:250kPa; Supply Voltage Min:4.85V; Supply Voltage Max:5.35V; Sensor Case Style:SIP RoHS Compliant: Yes

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    MPX5010DP
    MPX5010DP - Pressure Sensor, Differential, 0 kPa, 10 kPa, 4.75 V, 5.25 V

    07F9909

    Pressure Sensor, Differential, 0 kPa, 10 kPa, 4.75 V, 5.25 V

    NXP

    PRESSURE SENSOR, 10KPA, -40 TO 125DEG C; Pressure Type:Differential; Sensitivity, V/P:-; Operating Pressure Min:0kPa; Operating Pressure Max:10kPa; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Sensor Case Style:SIP; MSL:- RoHS Compliant: Yes

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    DEMOSTBMPL3115A2
    DEMOSTBMPL3115A2 - Sensor Toolbox MPL3115A2 Development Kit

    75T6605

    Sensor Toolbox MPL3115A2 Development Kit

    NXP

    EVALUATION KIT, PRESSURE, MPL3115A2; Kit Application Type:Sensor; Silicon Manufacturer:NXP; Silicon Core Number:-; Application Sub Type:Pressure Sensor; Product Range:-; Features:Xtrinsic MPL3115A2 Pressure Sensor RoHS Compliant: Yes

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    MPX5700DP
    MPX5700DP - Pressure Sensor, Differential, 6.4 mV/kPa, 0 kPa, 700 kPa, 4.75 V, 5.25 V

    66F7112

    Pressure Sensor, Differential, 6.4 mV/kPa, 0 kPa, 700 kPa, 4.75 V, 5.25 V

    NXP

    PRESSURE SENSOR, 700KPA, -40 TO 125DEG C; Pressure Type:Differential; Sensitivity, V/P:6.4mV/kPa; Operating Pressure Min:0kPa; Operating Pressure Max:700kPa; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Sensor Case Style:SIP RoHS Compliant: Yes

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    DEMOAPEXSENSOR
    DEMOAPEXSENSOR - Evaluation Module, Sensing, Pressure Sensor, Absolute & Gauge Pressure & Accelerometer

    24R9104

    Evaluation Module, Sensing, Pressure Sensor, Absolute & Gauge Pressure & Accelerometer

    NXP

    ALTITUDE PRESSURE SENSOR, EXPERIMENT DESIGN BOARD; Kit Application Type:Sensing - Pressure; Silicon Manufacturer:NXP; Silicon Core Number:MPXM2102A, MPXV5004G, MPL115A2, MMA7361L; Application Sub Type:Pressure Sensor; Product Range:-RoHS Compliant: Yes

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    KITMPXV5004DPEVB
    KITMPXV5004DPEVB - Evaluation Module, Sensing, Pressure Sensor, Easily Evaluation Sensor Functionality, Plug & Play

    26R2785

    Evaluation Module, Sensing, Pressure Sensor, Easily Evaluation Sensor Functionality, Plug & Play

    NXP

    PRESSURE SENSOR, DAUGHTER BOARD; Kit Application Type:Sensing - Pressure; Silicon Manufacturer:NXP; Silicon Core Number:MPXV5004DP; Application Sub Type:Pressure Sensor; Product Range:-; Development Tool Type:Hardware - Daughter CardRoHS Compliant: Yes

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    MS561101BA03-50
    MS561101BA03-50 - Pressure Sensor, 1.2 bar, I2C Digital, SPI, Barometric, 3 V, 12.5 µA

    20X0212

    Pressure Sensor, 1.2 bar, I2C Digital, SPI, Barometric, 3 V, 12.5 µA

    TE CONNECTIVITY

    BAROMETRIC PRESSURE SENSOR, 1.2BAR, 3V; Operating Pressure Max:1.2bar; Sensor Output:I2C Digital, SPI; Pressure Measurement Type:Barometric; Voltage Rating:3V; Port Style:-; Supply Current:12.5µA; Product Range:- RoHS Compliant: No

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    OM13078
    OM13078 - Evaluation Module, Sensing, Inertial / Digital Compass / Pressure / Proximity, 32bit CPU

    26Y5233

    Evaluation Module, Sensing, Inertial / Digital Compass / Pressure / Proximity, 32bit CPU

    NXP

    DEV BOARD, MOTION SENSOR PROCESS; Kit Application Type:Sensing - Motion, Vibration, Shock; Silicon Manufacturer:NXP; Silicon Core Number:LPC54102; Application Sub Type:-; Product Range:- RoHS Compliant: Yes

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    RASPBERRYPI-SENSEHAT
    RASPBERRYPI-SENSEHAT - Raspberry Pi Sense HAT with Orientation, Pressure, Humidity and Temperature Sensors

    49Y7569

    Raspberry Pi Sense HAT with Orientation, Pressure, Humidity and Temperature Sensors

    RASPBERRY-PI

    ADD-ON BOARD, ATTINY88 ASTRO-PI SENSEHAT; Silicon Manufacturer:Atmel; Core Architecture:AVR; Core Sub-Architecture:-; Silicon Core Number:AVR XMEGA; Silicon Family Name:ATtiny; For Use With:Raspberry Pi Single Board Computers RoHS Compliant: Yes

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    KP234XTMA1
    KP234XTMA1 - PRESSURE SENSOR, BAROMETRIC, SMD-8

    17AC9985

    PRESSURE SENSOR, BAROMETRIC, SMD-8

    INFINEON

    PRESSURE SENSOR, BAROMETRIC, SMD-8; Pressure Type:Barometric; Sensitivity, V/P:45mV/kPa; Operating Pressure Min:40kPa; Operating Pressure Max:115kPa; Supply Voltage Min:1.33V; Supply Voltage Max:4.7V; Sensor Case Style:SMD; No. of RoHS Compliant: Yes

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    DPS310XTSA1
    DPS310XTSA1 - Pressure Sensor, Barometric, 17.404 psi, 4.351 psi, 1.7 V, 3.6 V

    12AC9603

    Pressure Sensor, Barometric, 17.404 psi, 4.351 psi, 1.7 V, 3.6 V

    INFINEON

    DIGITAL PRESSURE SENSOR, 1200HPA, VLGA-8; Pressure Type:Barometric; Sensitivity, V/P:-; Operating Pressure Min:17.404psi; Operating Pressure Max:4.351psi; Supply Voltage Min:1.7V; Supply Voltage Max:3.6V; Sensor Case Style:VLGA RoHS Compliant: Yes

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