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. 746-3449
FabrikantnummerX5072-TB-A1-CA-H1-PA 250, mbar G
FabrikantDruck
€ 284,00
Each
Aantal stuks
Relative - 0.25bar ±0.2 % Analogue Fluid - G1/4 4 → 20 mA DIN 43650 Type A - 10 ms 20 mA 7 → 28 V
RS-stocknr. 774-4104
FabrikantnummerSDP610-500Pa
FabrikantSensirion
€ 32,44
Each
Aantal stuks
Differential -500Pa 500Pa 3 % I2C Air, Non-Aggressive Gas - - - 4 Pin SMD Connector - 4.6 ms 6 mA 2.7 → 3.3 V dc
RS-stocknr. 752-2377
FabrikantnummerMPXV2202DPT1
FabrikantNXP
€ 11,86
Each
Aantal stuks
Differential 0bar 200kPa ±1 % Voltage Air - - 38.5 → 41.5 mV PCB Mount - 1 ms 6 mA 16 V dc
RS-stocknr. 169-0724
FabrikantnummerMPXV2202DPT1
FabrikantNXP
€ 10,005
Each (On a Reel of 100)
Aantal stuks
Differential 0bar 200kPa ±1 % Voltage Air - - 38.5 → 41.5 mV PCB Mount - 1 ms 6 mA 16 V dc
RS-stocknr. 448-8101
Fabrikantnummer0184458031-SS
FabrikantSuco
€ 105,81
Each
Aantal stuks
- 1bar 10bar - Relay Air, Heating Oil, Hydraulic Fluid, Turpentine - G1/4 - DIN 43650 Type A - - 4 A 250 V
RS-stocknr. 896-8535
Fabrikantnummer3500R0006G01B000
FabrikantGems Sensors
€ 126,00
Each
Aantal stuks
Relative - 6bar 0.25 % Voltage Air, Gas, Water - G1/4 0 → 5 V DIN 43650 Type C - - - 30 V dc
RS-stocknr. 835-3901
FabrikantnummerPT5415
Fabrikantifm electronic
€ 103,30
Each
Aantal stuks
Relative 0bar 6bar ±0.5 % Analogue Gas, Liquid - G1/4 4 → 20 mA M12 Connector - 1 ms - 8.5 → 36 V dc
RS-stocknr. 177-5942
Fabrikantnummer40PC150G2A
FabrikantHoneywell
€ 52,155
Each (In a Tray of 10)
Aantal stuks
Relative 0psi 150psi ±0.2 % Amplified Gas - - 0.5 → 4.5 V PCB - 1 ms 10 mA 4.75 → 5.25 V dc
RS-stocknr. 667-0917
Fabrikantnummer40PC150G2A
FabrikantHoneywell
€ 64,70
Each
Aantal stuks
Relative 0psi 150psi 0.8 % Amplified Gas - - 0.5 mA PCB - 1 ms - 5 V dc
RS-stocknr. 797-5011
FabrikantRS PRO
€ 161,63
Each
Aantal stuks
Relative 0bar 6bar ±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-stocknr. 609-7094
FabrikantnummerXMPE12C2242
€ 80,40
Each
Aantal stuks
Differential 1.3bar 12bar 3.5 % - Air, Fresh Water, Sea Water - G3/8 - PG13.5 Cable Gland - - 1.5 A -
RS-stocknr. 797-5046
FabrikantRS PRO
€ 161,63
Each
Aantal stuks
Relative 0bar 6bar ±0.25 % Voltage Air, Gas, Hydraulic Fluid, Liquid, Water - G1/4 0 → 5 V DIN 43650 Type C - - - 9 → 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. 746-3477
FabrikantnummerX5072-TB-A1-CA-H1-PA 16.0 bar G
FabrikantDruck
€ 214,00
Each
Aantal stuks
Relative - 16bar ±0.2 % Analogue Fluid - G1/4 4 → 20 mA DIN 43650 Type A - 10 ms 20 mA 7 → 28 V
RS-stocknr. 125-1311
FabrikantnummerPN2098
Fabrikantifm electronic
€ 371,90
Each
Aantal stuks
Relative -12.5mbar 0.25bar <±0.4 % Analogue + PNP-NO/NC Programmable Fluid - G1/4 0 → 10 V, 4 → 20 mA M12 Connector IO-LINK <1.5 (Minimum Switching Output) ms, <3 (Maximum Analogue Output) ms 250 mA 18 → 30 V dc
RS-stocknr. 914-8328
FabrikantnummerDP-101-M-P
FabrikantPanasonic
€ 109,26
Each
Aantal stuks
Relative -1bar 1bar - PNP Non-Corrosive Gas - G1/8 - Wire Lead - 5000 ms 100 mA 12 → 24 V dc
RS-stocknr. 746-3691
FabrikantnummerD5071-TB-A3-CA-H1-PA 700 bar SG
FabrikantDruck
€ 418,00
Each
Aantal stuks
Relative - 700bar ±0.04 % Analogue Fluid - G1/4 10 mV, 100 mV DIN 43650 Type A - 10 ms 3 mA 7 → 12 V
RS-stocknr. 609-7016
FabrikantnummerXMLB035A2S11
€ 180,00
Each
Aantal stuks
Differential 3.5bar 35bar 2 % Relay Air, Fresh Water, Hydraulic Fluid, Sea Water - G1/4 - PG13.5 Cable Gland - - 3 A ac, 100 mA dc 120 → 240 V ac, 250 V dc
RS-stocknr. 922-7327
FabrikantnummerMPX4250AP
FabrikantNXP
€ 13,71
Each (In a Tray of 20)
Aantal stuks
Absolute 20kPa 250kPa ±1.5 % Analogue Air - - 4.9 V PCB Mount - 1 ms - 4.85 → 5.35 V dc
RS-stocknr. 125-1324
FabrikantnummerPN2569
Fabrikantifm electronic
€ 375,50
Each
Aantal stuks
Relative -500mbar 500mbar <±0.4 % Analogue + PNP-NO/NC Programmable Fluid - G1/4 0 → 10 V, 4 → 20 mA M12 Connector IO-LINK <1.5 (Minimum Switching Output) ms, <3 (Maximum Analogue Output) ms 250 mA 18 → 30 V dc
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