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. 374-8761
Fabrikantnummer787260
FabrikantBurkert
25,13 €
Each
Aantal stuks
Differential 1bar 10bar - Relay Air, Hydraulic Fluid, Oil Emulsion, Water - G1/8 - Spade Terminal - 2 A 42 V -
RS-stocknr. 455-5100
FabrikantnummerSCX100DN
FabrikantHoneywell
171,66 €
Each
Aantal stuks
Differential 0psi 100psi ±0.1 % Unamplified Pneumatic Fluid - - 99 → 101 mV Solder Tag 100 ms - 20 V dc -
RS-stocknr. 177-5945
FabrikantnummerSCX100DN
FabrikantHoneywell
115,153 €
Each (In a Box of 25)
Aantal stuks
Differential 0psi 100psi ±1 % Wheatstone Bridge Pneumatic Fluid - - 0 → 100 mV Solder Tag 100 μs - 20 V dc -
RS-stocknr. 181-1362
Fabrikantnummer24PCCFA2G
FabrikantHoneywell
30,52 €
Each
Aantal stuks
Gauge 0psi 15psi 0.2 % Wheatstone Bridge Nitrogen Gas, Oxygen, Water - - 0 → 225 mV Solder Tag 1 ms - 2.5 → 12 V dc -
RS-stocknr. 535-1218
Fabrikantnummer5266100LBACTI
FabrikantGems Sensors
193,00 €
Each
Aantal stuks
Differential -100Pa 100Pa ±1 % Analogue Air, Non-Conductive Gas - - 0 → 10 V Terminal Strip 1 s - 24 V ac/dc -
RS-stocknr. 922-7324
FabrikantnummerMPX5010DP
FabrikantNXP
8,463 €
Each (In a Tray of 20)
Aantal stuks
Differential 0kPa 10kPa ±5 % Analogue Air, Fluid - - 4.7 V PCB Mount 1 ms - 4.75 → 5.25 V dc -
RS-stocknr. 374-8799
Fabrikantnummer787265
FabrikantBurkert
28,79 €
Each
Aantal stuks
Differential 1bar 10bar - Relay Air, Hydraulic Fluid, Oil Emulsion, Water - G1/4 - Spade Terminal - - - -
RS-stocknr. 719-1080
FabrikantnummerMPX5010DP
FabrikantNXP
8,51 €
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 828-5782
FabrikantRS PRO
271,14 €
Each
Aantal stuks
Gauge 0mbar 100mbar <±0.25 % Voltage Sewage, Viscous Fluid, Water - G3/4 0 → 10 V M12 Connector - 6 mA 14 → 32 V dc -
RS-stocknr. 123-6659
FabrikantnummerX5072-TB-A1-CA-H1-PA 16.0 bar G
FabrikantDruck
293,04 €
Each
Aantal stuks
Gauge - 16bar ±0.2 % Analogue Fluid RSCAL G1/4 4 → 20 mA DIN 43650 Type A 10 ms 20 mA 7 → 28 V -
RS-stocknr. 455-4589
Fabrikantnummer5000BGM7000GG000A001
FabrikantGems Sensors
574,00 €
Each
Aantal stuks
Gauge 25mbar 70mbar 0.2 % Analogue Sea Water - G1/4 4 → 20 mA DIN 43650 Type A 5 ms - 9 → 35 V dc -
RS-stocknr. 169-8093
FabrikantnummerADP51B61
FabrikantPanasonic
11,06 €
Each (In a Tube of 100)
Aantal stuks
Gauge - - ±2.5 % Amplified Air - - 4 V PCB - 10 mA - -
RS-stocknr. 746-3477
FabrikantnummerX5072-TB-A1-CA-H1-PA 16.0 bar G
FabrikantDruck
194,90 €
Each
Aantal stuks
Gauge - 16bar ±0.2 % Analogue Fluid - G1/4 4 → 20 mA DIN 43650 Type A 10 ms 20 mA 7 → 28 V -
RS-stocknr. 836-9035
FabrikantnummerADP51B61
FabrikantPanasonic
17,11 €
Each
Aantal stuks
Gauge - - ±2.5 % Amplified Air - - 4 V PCB - 10 mA - -
RS-stocknr. 123-7141
FabrikantnummerSDP610-125Pa
FabrikantSensirion
32,44 €
Each
Aantal stuks
Differential -125Pa 125Pa 3 % I2C Air, Nitrogen Gas, Oxygen Gas - 5.2 mm Tube - - 4.6 ms <6 mA 3.6 V -
RS-stocknr. 173-2215
FabrikantnummerSDP610-125PA
FabrikantSensirion
19,051 €
Each (In a Tray of 80)
Aantal stuks
Differential -125Pa 125Pa 3 % I2C Air, Nitrogen Gas, Oxygen Gas - 5.2 mm Tube - - 4.6 ms <6 mA 3.6 V -
RS-stocknr. 836-9032
FabrikantnummerADP51B62
FabrikantPanasonic
7,60 €
Each
Aantal stuks
Gauge - - ±2.5 % Amplified Air - - 4 V PCB - 10 mA - -
RS-stocknr. 169-8092
FabrikantnummerADP51B62
FabrikantPanasonic
6,123 €
Each (In a Tube of 100)
Aantal stuks
Gauge - - ±2.5 % Amplified Air - - 4 V PCB - 10 mA - -
RS-stocknr. 797-5005
FabrikantRS PRO
161,63 €
Each
Aantal stuks
Gauge 0bar 100bar ±0.25 % Voltage Air, Gas, Hydraulic Fluid, Liquid, Water - BSP 1/4 0 → 5 V DIN 43650 Connector - - 9 → 32 V dc -
RS-stocknr. 922-7392
FabrikantnummerMPXV4006DP
FabrikantNXP
11,928 €
Each (In a Tray of 25)
Aantal stuks
Differential 0kPa 6kPa ±2.46 % Analogue Air, Fluid - - 4.8 V PCB Mount - - 4.75 → 5.25 V dc -
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