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. 181-2107
Fabrikantnummer142PC05D
FabrikantHoneywell
€ 329,46
Each
Aantal stuks
Differential 0psi 5psi ±1.5 % Amplified Gas - - 1 → 6 V PCB 1 ms 20 mA 7 → 16 V dc -
RS-stocknr. 746-3587
FabrikantnummerA5074-TB-A1-CA-H1-PA 250 bar SG
FabrikantDruck
€ 282,80
Each
Aantal stuks
Sealed Gauge - 250bar ±0.2 % Analogue Fluid - G1/4 0 → 5 V DIN 43650 Type A 10 ms 3 mA 7 → 16 V -
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. 797-5037
FabrikantRS PRO
€ 166,43
Each
Aantal stuks
Gauge 0bar 10bar ±0.25 % Voltage Air, Gas, Hydraulic Fluid, Liquid, Water - BSP 1/4 0 → 5 V DIN 43650 Connector - - 9 → 32 V dc -
RS-stocknr. 835-3888
FabrikantnummerPT5401
Fabrikantifm electronic
€ 103,30
Each
Aantal stuks
Relative 0bar 250bar ±0.5 % Analogue Gas, Liquid - G1/4 4 → 20 mA M12 Connector 1 ms - 8.5 → 36 V dc -
RS-stocknr. 746-3681
FabrikantnummerX5072-TB-A2-CA-H1-PA 10 bar A
FabrikantDruck
€ 271,17
Each
Aantal stuks
Absolute - 10bar ±0.1 % Analogue Fluid - G1/4 4 → 20 mA DIN 43650 Type A 10 ms 20 mA 7 → 28 V -
RS-stocknr. 111-5924
FabrikantnummerPX3AG1BH046BSAAX
FabrikantHoneywell
€ 44,65
Each
Aantal stuks
Sealed Gauge 0bar 46bar ±0.25 % Analogue Air, Brake Fluid, Hydraulic Fluid, Oil, Refrigeration Fluid - G1/4 0.5 → 4.5 V Metri-Pack 150 <2 ms 3 mA 4.75 → 5.25 V dc -
RS-stocknr. 124-1485
Fabrikantnummer14076933
FabrikantWIKA
€ 190,34
Each
Aantal stuks
- 0bar 10bar 0.25 % Analogue Gas, Liquid - G1/4 4 → 20 mA DIN 175301-803 A < 3 ms - 8 → 35 V dc -
RS-stocknr. 124-1465
Fabrikantnummer46879223
FabrikantWIKA
€ 138,29
Each
Aantal stuks
- 0bar 16bar 0.5 % Analogue Gas, Liquid - G1/4 4 → 20 mA DIN 175301-803 C < 4 ms - 8 → 30 V dc -
RS-stocknr. 169-8085
FabrikantnummerADP42510
FabrikantPanasonic
€ 9,479
Each (In a Tube of 100)
Aantal stuks
Gauge - - ±0.3 % Voltage Air, Fluid - - 100±40 mV PCB - 1.5 mA - -
RS-stocknr. 313-5345
Fabrikantnummer14X1FA1GV1
FabrikantVega
€ 239,50
Each
Aantal stuks
Gauge 0bar 10bar 0.3 % - Fluid, Gas, Vapour - G1/2 4 → 20 mA DIN 43650 Connector - - 12 → 36 V dc -
RS-stocknr. 374-8799
Fabrikantnummer787265
FabrikantBurkert
€ 27,14
Each
Aantal stuks
Differential 1bar 10bar - Relay Air, Hydraulic Fluid, Oil Emulsion, Water - G1/4 - Spade Terminal - - - -
RS-stocknr. 423-3721
Fabrikantnummer404366/000-461-405-504-20-61/000
FabrikantJumo
€ 262,70
Each
Aantal stuks
Gauge 0bar 25bar 2 % Analogue Fluid, Gas - G1/2 4 → 20 mA DIN 43650 Connector - - 10 → 30 V dc -
RS-stocknr. 896-8428
Fabrikantnummer3500B0004G01B000
FabrikantGems Sensors
€ 126,00
Each
Aantal stuks
Gauge - 4bar 0.25 % Current Air, Gas, Water - G1/4 4 → 20 mA DIN 43650 Type C - - 10 → 30 V dc -
RS-stocknr. 463-5622
Fabrikantnummer401001/000-455-405-523-20-601-61/000
FabrikantJumo
€ 134,10
Each
Aantal stuks
- 0bar 1.6bar - - - - G1/2 4 → 20 mA DIN 43650 Connector - - 10 → 30 V dc -
RS-stocknr. 828-5701
FabrikantRS PRO
€ 172,66
Each
Aantal stuks
Gauge 0mbar 50mbar <±0.25 % Voltage Oil, Water - BSP 1/4 0.5 → 4.5 V DIN 43650 Connector - 6 mA 9 → 32 V dc -
RS-stocknr. 121-8181
Fabrikantnummer26PCDFA6G
FabrikantHoneywell
€ 39,69
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 124-1468
Fabrikantnummer46879225
FabrikantWIKA
€ 138,29
Each
Aantal stuks
- 0bar 10bar 0.5 % Analogue Gas, Liquid - G1/4 0 → 5 V DIN 175301-803 C < 4 ms - 8 → 30 V dc -
RS-stocknr. 374-8890
Fabrikantnummer787269
FabrikantBurkert
€ 126,31
Each
Aantal stuks
Differential 1bar 10bar - Relay Air, Hydraulic Fluid, Oil Emulsion, Water - G1/4 - Spade Terminal - - - -
RS-stocknr. 828-5729
FabrikantRS PRO
€ 172,66
Each
Aantal stuks
Gauge 0mbar 500mbar <±0.25 % Current Oil, Water - BSP 1/4 4 → 20 mA DIN 43650 Connector - 28 mA 9 → 32 V dc -
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