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.


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Omschrijving Prijs Pressure Reading Type Minimum Pressure Reading Maximum Pressure Reading Accuracy Output Type Media Measured Calibrated Process Connection Analogue Output Electrical Connection Response Time Maximum Current Supply Voltage Interface
RS-stocknr. 835-3933
FabrikantnummerPU5415
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€ 103,30
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Relative 0bar 6bar ±0.5 % Analogue Gas, Liquid - G1/4 0 → 10 V M12 Connector 1 ms - 16 → 36 V dc -
RS-stocknr. 835-3882
FabrikantnummerPT5402
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€ 103,30
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Relative 0bar 100bar ±0.5 % Analogue Gas, Liquid - G1/4 4 → 20 mA M12 Connector 1 ms - 8.5 → 36 V dc -
RS-stocknr. 835-3901
FabrikantnummerPT5415
Fabrikantifm electronic
€ 103,30
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Relative 0bar 6bar ±0.5 % Analogue Gas, Liquid - G1/4 4 → 20 mA M12 Connector 1 ms - 8.5 → 36 V dc -
RS-stocknr. 125-1311
FabrikantnummerPN2098
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€ 371,90
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Relative -12.5mbar 250mbar <±0.4 % Analogue + PNP-NO/NC Programmable Fluid - G1/4 0 → 10 V, 4 → 20 mA M12 Connector <1.5 (Minimum Switching Output) ms, <3 (Maximum Analogue Output) ms 250 mA 18 → 30 V dc IO-Link
RS-stocknr. 125-1324
FabrikantnummerPN2569
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€ 375,50
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Relative -500mbar 500mbar <±0.4 % Analogue + PNP-NO/NC Programmable Fluid - G1/4 0 → 10 V, 4 → 20 mA M12 Connector <1.5 (Minimum Switching Output) ms, <3 (Maximum Analogue Output) ms 250 mA 18 → 30 V dc IO-Link
RS-stocknr. 835-3927
FabrikantnummerPU5404
Fabrikantifm electronic
€ 103,30
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Relative 0bar 10bar ±0.5 % Analogue Gas, Liquid - G1/4 0 → 10 V M12 Connector 1 ms - 16 → 36 V dc -
RS-stocknr. 835-3939
FabrikantnummerPU5414
Fabrikantifm electronic
€ 103,30
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Relative 0bar 16bar ±0.5 % Analogue Gas - G1/4 0 → 10 V M12 Connector 1 ms - 16 → 36 V dc -
RS-stocknr. 835-3923
FabrikantnummerPU5403
Fabrikantifm electronic
€ 103,30
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Relative 0bar 25bar ±0.5 % Analogue Gas, Liquid - G1/4 0 → 10 V M12 Connector 1 ms - 16 → 36 V dc -
RS-stocknr. 835-3888
FabrikantnummerPT5401
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€ 103,30
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Relative 0bar 250bar ±0.5 % Analogue Gas, Liquid - G1/4 4 → 20 mA M12 Connector 1 ms - 8.5 → 36 V dc -
RS-stocknr. 835-3908
FabrikantnummerPT5414
Fabrikantifm electronic
€ 103,30
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Relative 0bar 16bar ±0.5 % Analogue Gas, Liquid - G1/4 4 → 20 mA M12 Connector 1 ms - 8.5 → 36 V dc -
RS-stocknr. 835-3920
FabrikantnummerPU5402
Fabrikantifm electronic
€ 103,30
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Relative 0bar 100bar ±0.5 % Analogue Gas, Liquid - G1/4 0 → 10 V M12 Connector 1 ms - 16 → 36 V dc -
RS-stocknr. 835-3894
FabrikantnummerPT5404
Fabrikantifm electronic
€ 103,30
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Relative 0bar 10bar ±0.5 % Analogue Gas, Liquid - G1/4 4 → 20 mA M12 Connector 1 ms - 8.5 → 36 V dc -
RS-stocknr. 835-3876
FabrikantnummerPG2489
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€ 390,10
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Relative -5mbar 100mbar ±0.6 % Analogue + PNP-NO/NC Programmable Gas, Liquid - G1/2 4 → 20 mA M12 Connector 9 ms, 28 ms 250 mA 18 → 32 V dc -
RS-stocknr. 125-1309
FabrikantnummerPN2160
Fabrikantifm electronic
€ 371,90
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Relative 0bar 600bar <±0.4 % Analogue + PNP-NO/NC Programmable Fluid - G1/4 0 → 10 V, 4 → 20 mA M12 Connector <1.5 (Minimum Switching Output) ms, <3 (Maximum Analogue Output) ms 250 mA 18 → 30 V dc IO-Link
RS-stocknr. 835-3848
FabrikantnummerPG2450
Fabrikantifm electronic
€ 390,10
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Relative 0bar 400bar ±0.6 % Analogue + PNP-NO/NC Programmable Gas, Liquid - G1/2 4 → 20 mA M12 Connector 9 ms, 28 ms 250 mA 18 → 32 V dc -
RS-stocknr. 835-3917
FabrikantnummerPU5400
Fabrikantifm electronic
€ 106,20
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Aantal stuks
Relative 0bar 400bar ±0.5 % Analogue Gas, Liquid - G1/4 0 → 10 V M12 Connector 1 ms - 16 → 36 V dc -
RS-stocknr. 835-3850
FabrikantnummerPG2452
Fabrikantifm electronic
€ 379,30
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Relative 0bar 100bar ±0.5 % Analogue + PNP-NO/NC Programmable Gas, Liquid - G1/2 4 → 20 mA M12 Connector 9 ms, 28 ms 250 mA 18 → 32 V dc -
RS-stocknr. 835-3885
FabrikantnummerPT5400
Fabrikantifm electronic
€ 106,20
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Relative 0bar 400bar ±0.5 % Analogue Gas, Liquid - G1/4 4 → 20 mA M12 Connector 1 ms - 8.5 → 36 V dc -
RS-stocknr. 835-3863
FabrikantnummerPG2454
Fabrikantifm electronic
€ 379,30
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Relative -1bar 10bar ±0.5 % Analogue + PNP NO/NC Programmable Gas, Liquid - G1/2 4 → 20 mA M12 Connector 9 ms, 28 ms 250 mA 18 → 32 V dc -
RS-stocknr. 125-1319
FabrikantnummerPN2594
Fabrikantifm electronic
€ 364,80
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Relative -1bar 10bar <±0.4 % Analogue + PNP-NO/NC Programmable Fluid - G1/4 0 → 10 V, 4 → 20 mA M12 Connector <1.5 (Minimum Switching Output) ms, <3 (Maximum Analogue Output) ms 250 mA 18 → 30 V dc IO-Link