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. 398-7045
Fabrikantnummer0166407031027
FabrikantSuco
€ 31,13
Each
Aantal stuks
- 1bar 10bar - Relay Air, Heating Oil, Hydraulic Fluid, Turpentine - G1/4 - Spade Terminal - - 42 V -
RS-stocknr. 293-8323
Fabrikantnummer40PC001B1A
FabrikantHoneywell
€ 58,44
Each
Aantal stuks
Gauge -50mm Hg 50mm Hg ±0.4 % Amplified Gas - - 0.5 → 4.5 V PCB 1 ms 10 mA 4.75 → 5.25 V dc -
RS-stocknr. 795-4705
Fabrikantnummer3100R0009V01B000
FabrikantGems Sensors
€ 126,00
Each
Aantal stuks
Gauge -1bar 9bar ±0.25 % Voltage Fluid, Gas - G1/4 0 → 5 V DIN 43650 Type A 1 ms 4.5 mA 7 → 30 V dc -
RS-stocknr. 772-9907
FabrikantnummerXMPA12B2131
€ 51,30
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 455-4624
Fabrikantnummer3100B0010G01B000
FabrikantGems Sensors
€ 126,00
Each
Aantal stuks
Gauge 0bar 10bar 0.25 % Analogue Air Fluid, Hydraulic Fluid, Hydraulic Oil, Oil - G1/4 4 → 20 mA DIN 43650 Type C 1 ms - 10 → 30 V dc -
RS-stocknr. 739-6777
FabrikantnummerPBT-RB010SG1SSNAMA0Z
FabrikantSick
€ 110,00
Each
Aantal stuks
Gauge 0bar 10bar ±0.5 % Analogue Fluid, Gas - G1/4 4 → 20 mA M12 Connector 4 ms 25 mA 8 → 30 V dc -
RS-stocknr. 123-5542
Fabrikantnummer3100B0010G01B000
FabrikantGems Sensors
€ 227,20
Each
Aantal stuks
Gauge 0bar 10bar 0.25 % Analogue - RSCAL G1/4 4 → 20 mA DIN 43650 Type C 1 ms - 10 → 30 V dc -
RS-stocknr. 797-4983
FabrikantRS PRO
€ 156,92
Each
Aantal stuks
Gauge 0bar 1bar ±0.25 % Current Air, Gas, Hydraulic Fluid, Liquid, Water - BSP 1/4 4 → 20 mA DIN 43650 Connector - 20 mA 9 → 32 V dc -
RS-stocknr. 774-4094
FabrikantnummerSDP1000-L025
FabrikantSensirion
€ 79,33
Each
Aantal stuks
Differential -62Pa 62Pa 0.6 %, 2 % Analogue Air, Non-Aggressive Gas - - 0.2 → 4 V 3 Pin SMD Connector 40 ms 5.2 mA 4.75 → 5.25 V -
RS-stocknr. 173-2222
FabrikantnummerSDP1000-L025
FabrikantSensirion
€ 71,487
Each (In a Tray of 25)
Aantal stuks
Differential -62Pa 62Pa 0.6 %, 2 % Analogue Air, Non-Aggressive Gas - - 0.2 → 4 V 3 Pin SMD Connector 40 ms 5.2 mA 4.75 → 5.25 V -
RS-stocknr. 896-8516
Fabrikantnummer3500B0016A01G000
FabrikantGems Sensors
€ 148,00
Each
Aantal stuks
Absolute - 16bar 0.25 % Current Air, Gas, Water - G1/4 4 → 20 mA DIN 43650 Type A - - 10 → 30 V dc -
RS-stocknr. 896-8529
Fabrikantnummer3500R0001G01B000
FabrikantGems Sensors
€ 126,00
Each
Aantal stuks
Gauge - 1bar 0.25 % Voltage Air, Gas, Water - G1/4 0 → 5 V DIN 43650 Type C - - 30 V dc -
RS-stocknr. 746-3672
FabrikantnummerX5072-TB-A2-CA-H1-PA 0.8 to 1.2 bar B
FabrikantDruck
€ 280,66
Each
Aantal stuks
Absolute 0.8bar 1.2bar ±0.1 % Analogue Fluid - G1/4 4 → 20 mA DIN 43650 Type A 10 ms 20 mA 7 → 28 V -
RS-stocknr. 835-3933
FabrikantnummerPU5415
Fabrikantifm electronic
€ 103,30
Each
Aantal stuks
Relative 0bar 6bar ±0.5 % Analogue Gas, Liquid - G1/4 0 → 10 V M12 Connector 1 ms - 16 → 36 V dc -
RS-stocknr. 448-8094
Fabrikantnummer0184457031-SS
FabrikantSuco
€ 96,10
Each
Aantal stuks
- 0.5bar 5bar - Relay Air, Heating Oil, Hydraulic Fluid, Turpentine - G1/4 - DIN 46350 Connector - 4 A 250 V -
RS-stocknr. 914-8390
FabrikantnummerDP102EP
FabrikantPanasonic
€ 108,12
Each
Aantal stuks
Gauge -0.1MPa 1MPa ±1 % Relay Non-Corrosive Gas - G1/8 100 mA Wire Lead 2.5 ms - 12 → 24 V dc -
RS-stocknr. 795-4711
Fabrikantnummer3100R0010G01B000
FabrikantGems Sensors
€ 126,00
Each
Aantal stuks
Gauge 0bar 10bar ±0.25 % Voltage Fluid, Gas - G1/4 0 → 5 V DIN 43650 Type A 1 ms 4.5 mA 7 → 30 V dc -
RS-stocknr. 865-3387
FabrikantnummerPTE5000-060-1-D-4-V
€ 143,03
Each
Aantal stuks
Gauge 0bar 60bar ≤0.5 % Current All Class II Fluids and Gases - G1/4 4 → 20 mA Metri Pack 150 Connector ≤2 ms - 8 → 30 V dc -
RS-stocknr. 835-3882
FabrikantnummerPT5402
Fabrikantifm electronic
€ 103,30
Each
Aantal stuks
Relative 0bar 100bar ±0.5 % Analogue Gas, Liquid - G1/4 4 → 20 mA M12 Connector 1 ms - 8.5 → 36 V dc -
RS-stocknr. 123-6665
FabrikantnummerX5072-TB-A1-CA-H1-PA 250, mbar G
FabrikantDruck
€ 348,50
Each
Aantal stuks
Gauge - 250mbar ±0.2 % Analogue Fluid RSCAL G1/4 4 → 20 mA DIN 43650 Type A 10 ms 20 mA 7 → 28 V -
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