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 Communication Protocol Response Time Maximum Current Supply Voltage
RS-stocknr. 795-4727
Fabrikantnummer3100B0100S01B000
FabrikantGems Sensors
€ 126,00
Each
Aantal stuks
Relative 0bar 100bar ±0.25 % Current Fluid, Gas - G1/4 4 → 20 mA DIN 43650 Type A - 1 ms 20 mA 8 → 30 V dc
RS-stocknr. 835-3927
FabrikantnummerPU5404
Fabrikantifm electronic
€ 103,30
Each
Aantal stuks
Relative 0bar 10bar ±0.5 % Analogue Gas, Liquid - G1/4 0 → 10 V M12 Connector - 1 ms - 16 → 36 V dc
RS-stocknr. 123-6656
FabrikantnummerX5072-TB-A1-CA-H1-PA 10.0 bar G
FabrikantDruck
€ 293,04
Each
Aantal stuks
Gauge - 10bar ±0.2 % Analogue Fluid RSCAL G1/4 4 → 20 mA DIN 43650 Type A - 10 ms 20 mA 7 → 28 V
RS-stocknr. 746-3470
FabrikantnummerX5072-TB-A1-CA-H1-PA 10.0 bar G
FabrikantDruck
€ 214,00
Each
Aantal stuks
Relative - 10bar ±0.2 % Analogue Fluid - G1/4 4 → 20 mA DIN 43650 Type A - 10 ms 20 mA 7 → 28 V
RS-stocknr. 186-012
Fabrikantnummer401050/000-455-405-593-68-601-36/000
FabrikantJumo
€ 243,34
Each
Aantal stuks
Differential 0bar 1.6bar - - Fluid, Gas - G1/8 4 → 20 mA M12 Connector - - - 10 → 30 V dc
RS-stocknr. 169-7646
FabrikantnummerPBN3D421-R1
FabrikantHoneywell
€ 39,826
Each (In a Box of 25)
Aantal stuks
Differential 24.9mbar 69.8mbar - Relay Air, Fluid - - - Tab - - 5 A 250 V ac
RS-stocknr. 324-0986
FabrikantnummerXMLA300D2S11
€ 167,00
Each
Aantal stuks
Differential 20bar 300bar 2 % Relay Hydraulic Fluid - G1/4 - PG13.5 Cable Gland - - 3 A ac, 100 mA dc 120 → 240 V ac, 250 V dc
RS-stocknr. 788-4921
Fabrikantnummer2SMPP-02
FabrikantOmron
€ 3,00
Each (In a Pack of 2)
Aantal stuks
Relative 0bar 37kPa - Amplified Air - - - PCB - - 130 μA -
RS-stocknr. 177-5945
FabrikantnummerSCX100DN
FabrikantHoneywell
€ 121,467
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. 407-243
FabrikantnummerPBN3D421-R1
FabrikantHoneywell
€ 43,81
Each
Aantal stuks
Differential 24.9mbar 69.8mbar - Relay Air, Fluid - - - Tab - - 5 A 250 V ac
RS-stocknr. 455-5100
FabrikantnummerSCX100DN
FabrikantHoneywell
€ 137,05
Each
Aantal stuks
Differential 0psi 100psi ±0.1 % Unamplified Pneumatic Fluid - - 99 → 101 mV Solder Tag - 100 ms - 20 V dc
RS-stocknr. 177-4880
Fabrikantnummer2SMPP-02
FabrikantOmron
€ 2,888
Each (In a Tube of 112)
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 835-3939
FabrikantnummerPU5414
Fabrikantifm electronic
€ 103,30
Each
Aantal stuks
Relative 0bar 16bar ±0.5 % Analogue Gas - G1/4 0 → 10 V M12 Connector - 1 ms - 16 → 36 V dc
RS-stocknr. 609-7044
FabrikantnummerXMLB300D2S11
€ 213,00
Each
Aantal stuks
Differential 22bar 300bar 2 % Relay Hydraulic Fluid - G1/4 - PG13.5 Cable Gland - - 0.1 (dc) A, 3 (ac) A 120 → 240 V ac, 250 V dc
RS-stocknr. 835-3923
FabrikantnummerPU5403
Fabrikantifm electronic
€ 103,30
Each
Aantal stuks
Relative 0bar 25bar ±0.5 % Analogue Gas, Liquid - G1/4 0 → 10 V M12 Connector - 1 ms - 16 → 36 V dc
RS-stocknr. 896-8428
Fabrikantnummer3500B0004G01B000
FabrikantGems Sensors
€ 126,00
Each
Aantal stuks
Relative - 4bar 0.25 % Current Air, Gas, Water - G1/4 4 → 20 mA DIN 43650 Type C - - - 10 → 30 V dc
RS-stocknr. 313-5345
Fabrikantnummer14X1FA1GV1
FabrikantVega
€ 239,50
Each
Aantal stuks
Relative 0bar 10bar 0.3 % - Fluid, Gas, Vapour - G1/2 4 → 20 mA DIN 43650 Type A - - - 12 → 36 V dc
RS-stocknr. 374-8799
Fabrikantnummer787265
FabrikantBurkert
€ 27,95
Each
Aantal stuks
Differential 1bar 10bar - Relay Air, Hydraulic Fluid, Oil Emulsion, Water - G1/4 - Spade Terminal - - - -
RS-stocknr. 797-5037
FabrikantRS PRO
€ 171,42
Each
Aantal stuks
Relative 0bar 10bar ±0.25 % Voltage Air, Gas, Hydraulic Fluid, Liquid, Water - G1/4 0 → 5 V DIN 43650 Type C - - - 9 → 32 V dc
RS-stocknr. 795-4721
Fabrikantnummer3100R0100S01B000
FabrikantGems Sensors
€ 126,00
Each
Aantal stuks
Relative 0bar 100bar ±0.25 % Voltage Fluid, Gas - G1/4 0 → 5 V DIN 43650 Type A - 1 ms 4.5 mA 7 → 30 V dc
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