Pressure Sensors

Pressure sensors are devices that sense the applied pressure of gases or liquids. The output of the measurement is then converted into an electrical signal which reflects the amount of pressure applied.

There are various technologies used within pressure sensors. Depending on the requirements, this can influence their sensing accuracy and reliability. When the mechanical displacement within the sensor is turned into an electrical output signal there are 5 ways this can happen.


Resistive - These types of sensors use the change in electrical resistance of a strain gauge connected to the diaphragm.

Capacitive - Are highly sensitive and are able to measure low pressure under 10 bar while still withstanding large overloads.

Piezoelectric - These sensors use substances like Quartz to generate a charge on the surface when pressure is applied. Piezoelectric pressure sensors are ideal for measuring fast changing pressures.

Optical - These use interferometry to measure pressure changes in optical fibre. They are not disturbed by EMI and can be used in noisy or medical environments.


MEMS - This stands for micro-electro-mechanical system and contains capacitive or piezo pressure sensing mechanisms on silicon at micron level resolution.

Types of Pressure Sensors

Within the sensors, there are various properties which can be used to classify them. This includes what pressure range they measure, their operating temperature range or the pressure type they measure.

Absolute Pressure Sensor - This type of sensor measures pressure relative to the perfect vacuum (zero reference point).

Gauge Pressure Sensors - These are often used to measure atmospheric pressure and are sometimes referred to as relative pressure sensors.

Sealed Gauge Pressure Sensor - Like a gauge pressure sensor except they measure pressure relative to a fixed pressure, not the current ambient atmospheric pressure which can vary.

Differential Pressure Sensors - These can be used to measure the difference between two different pressures (differential pressure) which can be connected to either side of the sensor. They are often used to measure pressure drops, fluid levels and flow rates.

Pressure Sensor Applications

Pressure sensors are used in many applications in a large range of industries. These include medical, aviation, automotive and marine.


...
Read more Read less

Filters

Viewing 1 - 20 of 24 products
Results per page
Description Price Pressure Reading Type Minimum Pressure Reading Maximum Pressure Reading Accuracy Output Type Media Measured Process Connection Analogue Output Electrical Connection Communication Protocol Response Time Maximum Current Series Supply Voltage
RS Stock No. 169-0629
Mfr. Part No.MPX4250A
BrandNXP
PHP1,054.21
Each (In a Tray of 25)
units
Absolute 20kPa 250kPa ±1.5 % Analogue Air - 4.9 V PCB Mount - 1 ms - - 4.85 → 5.35 V dc
RS Stock No. 719-1065
Mfr. Part No.MPX4250A
BrandNXP
PHP1,291.40
Each
units
Absolute 20kPa 250kPa ±1.5 % Analogue Air - 4.9 V PCB Mount - 1 ms - - 4.85 → 5.35 V dc
RS Stock No. 922-7324
Mfr. Part No.MPX5010DP
BrandNXP
PHP786.156
Each (In a Tray of 20)
units
Differential 0bar 10kPa ±5 % Analogue Air, Fluid - 4.7 V PCB Mount - 1 ms - - 4.75 → 5.25 V dc
RS Stock No. 719-1080
Mfr. Part No.MPX5010DP
BrandNXP
PHP995.19
Each
units
- - - ±5 % Analogue Air, Fluid - 4.7 V PCB Mount - 1 ms - - 4.75 → 5.25 V dc
RS Stock No. 719-1018
Mfr. Part No.MPVZ4006GW7U
BrandNXP
PHP790.27
Each
units
Relative 0bar 6kPa ±2.46 % Analogue Air - 4.6 V PCB Mount - - - - 4.75 → 5.25 V dc
RS Stock No. 922-7406
Mfr. Part No.MPXV5004GC7U
BrandNXP
PHP572.191
Each (In a Tube of 40)
units
Relative 0bar 3.92kPa ±1.5 % Analogue Air, Fluid - 1 → 4.9 V PCB Mount - - - - 4.75 → 5.25 V dc
RS Stock No. 922-7409
Mfr. Part No.MPXV5010DP
BrandNXP
PHP746.54
Each (In a Tray of 25)
units
Differential 0bar 10kPa ±5 % Analogue Air, Fluid - 4.7 V PCB Mount - 1 ms - - 4.75 → 5.25 V dc
RS Stock No. 719-1043
Mfr. Part No.MPX2202A
BrandNXP
PHP992.47
Each
units
Absolute 0bar 200kPa ±1 % - Air - 38.5 → 41.5 mV PCB Mount - 1 ms - - 10 V dc
RS Stock No. 922-7355
Mfr. Part No.MPX5700AP
BrandNXP
PHP986.297
Each (In a Tray of 20)
units
Absolute 15kPa 700kPa ±2.5 % Analogue Air - 4.7 V PCB Mount - 1 ms - - 4.75 → 5.25 V dc
RS Stock No. 169-0724
Mfr. Part No.MPXV2202DPT1
BrandNXP
PHP800.562
Each (On a Reel of 100)
units
Differential 0bar 200kPa ±1 % Voltage Air - 38.5 → 41.5 mV PCB Mount - 1 ms 6 mA - 16 V dc
RS Stock No. 922-7380
Mfr. Part No.MPXM2202AS
BrandNXP
PHP460.992
Each (In a Tube of 60)
units
Absolute 0bar 200kPa ±1 % - Air - 38.5 → 41.5 mV PCB Mount - 1 ms - - 10 V dc
RS Stock No. 922-7349
Mfr. Part No.MPX5050GP
BrandNXP
PHP1,113.378
Each (In a Tray of 20)
units
Relative 0bar 50kPa ±2.5 % Analogue Air - 4.7 V PCB Mount - 1 ms - - 4.75 → 5.25 V dc
RS Stock No. 922-7302
Mfr. Part No.MPX2010GP
BrandNXP
PHP748.083
Each (In a Tray of 20)
units
Relative 0bar 10kPa ±1 % - Air - 24 → 26 mV PCB Mount - 1 ms - - 10 V dc
RS Stock No. 922-7333
Mfr. Part No.MPX5010GP
BrandNXP
PHP986.297
Each (In a Tray of 20)
units
Relative 0bar 10kPa ±5 % Analogue Air, Fluid - 4.7 V PCB Mount - 1 ms - - 4.75 → 5.25 V dc
RS Stock No. 922-7327
Mfr. Part No.MPX4250AP
BrandNXP
PHP944.622
Each (In a Tray of 20)
units
Absolute 20kPa 250kPa ±1.5 % Analogue Air - 4.9 V PCB Mount - 1 ms - - 4.85 → 5.35 V dc
RS Stock No. 922-7399
Mfr. Part No.MPXV5004DP
BrandNXP
PHP796.96
Each (In a Tray of 25)
units
Differential 0bar 3.92kPa ±1.5 % Analogue Air, Fluid - 1 → 4.9 V PCB Mount - - - - 4.75 → 5.25 V dc
RS Stock No. 922-7403
Mfr. Part No.MPXV5050GP
BrandNXP
PHP622.573
Each (In a Tray of 25)
units
Relative 0bar 50kPa ±2.5 % Analogue Air - 4.7 V PCB Mount - 1 ms - - 4.75 → 5.25 V dc
RS Stock No. 922-7305
Mfr. Part No.MPVZ4006GW7U
BrandNXP
PHP632.321
Each (In a Tray of 40)
units
Relative 0bar 6kPa ±2.5 % Analogue Air - 4.6 V PCB Mount - - - - 4.75 → 5.25 V dc
RS Stock No. 922-7308
Mfr. Part No.MPX2010DP
BrandNXP
PHP710.525
Each (In a Tube of 20)
units
Differential 0bar 10kPa ±1 % - Air - 24 → 26 mV PCB Mount - 1 ms - - 10 V dc
RS Stock No. 752-2377
Mfr. Part No.MPXV2202DPT1
BrandNXP
PHP829.37
Each
units
Differential 0bar 200kPa ±1 % Voltage Air - 38.5 → 41.5 mV PCB Mount - 1 ms 6 mA - 16 V dc