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 different 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 - Similar to 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 1068 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 Supply Voltage Interface
RS Stock No. 102-4131
BrandRS PRO
MYR1,157.48
Each
units
Relative 0bar 100bar ±0.25 % Analogue Gas, Liquid G1/4 4 → 20 mA DIN 43650 Type A - - - 9 → 32 V dc -
RS Stock No. 102-4125
BrandRS PRO
MYR1,360.75
Each
units
Relative -1bar 9bar ±0.25 % Analogue Gas, Liquid G1/4 4 → 20 mA DIN 43650 Type A - - - 9 → 32 V dc -
RS Stock No. 828-5745
BrandRS PRO
MYR700.64
Each
units
Relative 0bar 16bar <±0.25 % Voltage Air, Gas, Hydraulic Fluid, Liquid, Water G1/4 0 → 5 V DIN 43650 Type C - - - 9 → 32 V dc -
RS Stock No. 828-5757
BrandRS PRO
MYR1,401.36
Each
units
Relative 0bar 500mbar <±0.25 % Current Sewage, Viscous Fluid, Water G3/4 4 → 20 mA M12 Connector - - 28 mA 9 → 32 V dc -
RS Stock No. 797-5018
BrandRS PRO
MYR932.11
Each
units
Relative 0bar 10bar ±0.25 % Current Air, Gas, Hydraulic Fluid, Liquid, Water G1/4 4 → 20 mA DIN 43650 Type C - - 20 mA 9 → 32 V dc -
RS Stock No. 123-5232
BrandRS PRO
MYR1,960.95
Each
units
Relative 0bar 1bar ±0.25 % Analogue Air, Hydraulic Fluid, Liquid, Non-Aggressive Gas, Oil, Water G1/4 0 → 5 V, 4 → 20 mA Wireless - - - - -
RS Stock No. 102-4147
BrandRS PRO
MYR2,174.16
Each
units
Relative -1bar 9bar ±0.25 % Analogue Grey Water, Sewage, Viscous Fluid G3/4 4 → 20 mA M12 4-pin - - 28 mA 12 → 28 V dc -
RS Stock No. 102-4133
BrandRS PRO
MYR1,157.48
Each
units
Relative 0bar 400bar ±0.25 % Analogue Gas, Liquid G1/4 4 → 20 mA DIN 43650 Type A - - - 9 → 32 V dc -
RS Stock No. 102-4126
BrandRS PRO
MYR1,211.73
Each
units
Relative 0bar 10bar ±0.25 % Analogue Gas, Liquid G1/4 4 → 20 mA DIN 43650 Type A - - - 9 → 32 V dc -
RS Stock No. 102-4145
BrandRS PRO
MYR2,174.16
Each
units
Relative -1bar 1bar ±0.25 % Analogue Grey Water, Sewage, Viscous Fluid G3/4 4 → 20 mA M12 4-pin - - 28 mA 12 → 28 V dc -
RS Stock No. 797-4970
BrandRS PRO
MYR981.16
Each
units
Relative -1bar 9bar ±0.25 % Voltage Air, Gas, Hydraulic Fluid, Liquid, Water G1/4 0 → 5 V DIN 43650 Type C - - - 9 → 32 V dc -
RS Stock No. 123-5237
BrandRS PRO
MYR1,960.95
Each
units
Relative -1bar 24bar ±0.25 % Analogue Air, Hydraulic Fluid, Liquid, Non-Aggressive Gas, Oil, Water G1/4 0 → 5 V, 4 → 20 mA Wireless - - - - -
RS Stock No. 123-5238
BrandRS PRO
MYR1,440.98
Each
units
Relative 0bar 25bar ±0.25 % Analogue Air, Hydraulic Fluid, Liquid, Non-Aggressive Gas, Oil, Water G1/4 0 → 5 V, 4 → 20 mA Wireless - - - - -
RS Stock No. 828-5713
BrandRS PRO
MYR1,027.06
Each
units
Relative 0bar 0.1bar <±0.25 % Voltage Oil, Water G1/4 0.5 → 4.5 V DIN 43650 Type A - - 6 mA 9 → 32 V dc -
RS Stock No. 828-5776
BrandRS PRO
MYR1,080.17
Each
units
Relative 0bar 20bar <±0.25 % Current Sewage, Viscous Fluid, Water G3/4 4 → 20 mA M12 Connector - - 28 mA 9 → 32 V dc -
RS Stock No. 828-5704
BrandRS PRO
MYR1,380.61
Each
units
Absolute 0bar 1bar ±0.5 % Current Oil, Water G1/4 4 → 20 mA DIN 43650 Type A - - 28 mA 9 → 32 V dc -
RS Stock No. 175-5027
BrandRS PRO
MYR1,071.65
Each
units
Relative 0psi 10psi ±0.25 % Analogue - NPT 1/4 0 → 5 V M12 Connector - - - 9 → 32 V dc -
RS Stock No. 175-4981
BrandRS PRO
MYR830.36
Each
units
Relative -1bar 24bar ±0.25 % Analogue - G1/4 4 → 20 mA M12 4-pin - - 20 mA 9 → 32 V dc -
RS Stock No. 175-4992
BrandRS PRO
MYR739.53
Each
units
Relative 0bar 25bar ±0.25 % Analogue - G1/4 4 → 20 mA M12 4-pin - - 20 mA 9 → 32 V dc -
RS Stock No. 123-5242
BrandRS PRO
MYR1,711.90
Each
units
Relative 0bar 400bar ±0.25 % Analogue Air, Hydraulic Fluid, Liquid, Non-Aggressive Gas, Oil, Water G1/4 0 → 5 V, 4 → 20 mA Wireless - - - - -
Related Products
These IPS-series Pressure Sensors, also known as pressure ...
Description:
These IPS-series Pressure Sensors, also known as pressure transmitters from our own RS PRO brand are suitable for wide range of industrial applications. These devices change pressure forces into electrical signals. They are used to measure the pressure of the ...
Introducing RS PRO pressure sensors, also known as ...
Description:
Introducing RS PRO pressure sensors, also known as pressure transmitters. These devices change pressure forces into electrical signals. They are used to measure the pressure of the specific quantity like air, water and gas by changing the pressure into electrical ...
These IND-series Pressure Sensors, also known as pressure ...
Description:
These IND-series Pressure Sensors, also known as pressure transmitters from our own RS PRO brand are suitable for wide range of industrial applications. These devices change pressure forces into electrical signals. They are used to measure the pressure of the ...
These IPSL-series Pressure Sensors, also known as pressure ...
Description:
These IPSL-series Pressure Sensors, also known as pressure transmitters from our own RS PRO brand are suitable for wide range of industrial applications. These devices change pressure forces into electrical signals. They are used to measure the pressure of the ...