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. 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. 896-8440
Fabrikantnummer3500B350MG01G000
FabrikantGems Sensors
€ 128,80
Each
Aantal stuks
Gauge - 350mbar 0.25 % Current Air, Gas, Water - G1/4 4 → 20 mA DIN 43650 Type A - - 10 → 30 V dc -
RS-stocknr. 169-8087
FabrikantnummerADP51A11
FabrikantPanasonic
€ 9,551
Each (In a Tube of 100)
Aantal stuks
Gauge - - ±4 % Amplified Air - - 2.4 V PCB - 3 mA 5 V dc -
RS-stocknr. 774-4101
FabrikantnummerSDP610-025Pa
FabrikantSensirion
€ 32,44
Each
Aantal stuks
Differential -25Pa 25Pa 3 % I2C Air, Non-Aggressive Gas - - - 4 Pin SMD Connector 4.6 ms 6 mA 2.7 → 3.3 V dc -
RS-stocknr. 746-3451
FabrikantnummerX5072-TB-A1-CA-H1-PA 1.0 bar A
FabrikantDruck
€ 209,09
Each
Aantal stuks
Absolute - 1bar ±0.2 % Analogue Fluid - G1/4 4 → 20 mA DIN 43650 Type A 10 ms 20 mA 7 → 28 V -
RS-stocknr. 124-1482
Fabrikantnummer46879286
FabrikantWIKA
€ 138,29
Each
Aantal stuks
- 0bar 6bar 0.5 % Analogue Gas, Liquid - G1/4 4 → 20 mA DIN 175301-803 C < 4 ms - 8 → 30 V dc -
RS-stocknr. 398-6991
Fabrikantnummer0184458031042
FabrikantSuco
€ 66,31
Each
Aantal stuks
- 1bar 10bar - Relay Air, Heating Oil, Hydraulic Fluid, Turpentine - G1/4 - DIN 46350 Connector - 4 A 250 V -
RS-stocknr. 181-2090
Fabrikantnummer142PC01D
FabrikantHoneywell
€ 279,74
Each
Aantal stuks
Differential 0psi 1psi ±0.75 % Amplified Gas - - 1 6 V PCB 1 ms 20 mA 7 16 V dc -
RS-stocknr. 374-8890
Fabrikantnummer787269
FabrikantBurkert
€ 130,10
Each
Aantal stuks
Differential 1bar 10bar - Relay Air, Hydraulic Fluid, Oil Emulsion, Water - G1/4 - Spade Terminal - - - -
RS-stocknr. 828-5726
FabrikantRS PRO
€ 177,84
Each
Aantal stuks
Gauge 0mbar 250mbar <±0.25 % Voltage Oil, Water - BSP 1/4 0.5 → 4.5 V DIN 43650 Connector - 6 mA 9 → 32 V dc -
RS-stocknr. 835-3908
FabrikantnummerPT5414
Fabrikantifm electronic
€ 103,30
Each
Aantal stuks
Relative 0bar 16bar ±0.5 % Analogue Gas, Liquid - G1/4 4 → 20 mA M12 Connector 1 ms - 8.5 → 36 V dc -
RS-stocknr. 896-8443
Fabrikantnummer3500B0004G01E000
FabrikantGems Sensors
€ 121,00
Each
Aantal stuks
Gauge - 4bar 0.25 % Current Air, Gas, Water - G1/4 4 → 20 mA M12 Connector - - 10 → 30 V dc -
RS-stocknr. 313-5389
Fabrikantnummer14X1JA1GV1
FabrikantVega
€ 239,50
Each
Aantal stuks
Gauge 0bar 60bar 0.3 % - Fluid, Gas, Vapour - G1/2 4 → 20 mA DIN 43650 Connector - - 12 → 36 V dc -
RS-stocknr. 828-5701
FabrikantRS PRO
€ 177,84
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. 828-5729
FabrikantRS PRO
€ 177,84
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 -
RS-stocknr. 235-5829
Fabrikantnummer24PCCFA6G
FabrikantHoneywell
€ 28,53
Each
Aantal stuks
Gauge 0psi 15psi 0.2 % Unamplified Nitrogen Gas, Oxygen, Water - - 165 → 285 mV Solder Tag 1 ms - 10 V dc -
RS-stocknr. 828-5824
FabrikantRS PRO
€ 203,14
Each
Aantal stuks
Absolute 0bar 2bar <±0.25 % Current Sewage, Viscous Fluid, Water - G3/4 4 20 mA M12 Connector - 28 mA 9 32 V dc -
RS-stocknr. 836-9039
FabrikantnummerADP51B63
FabrikantPanasonic
€ 8,07
Each
Aantal stuks
Gauge - - ±2.5 % Amplified Air - - 4 V PCB - 10 mA - -
RS-stocknr. 121-8181
Fabrikantnummer26PCDFA6G
FabrikantHoneywell
€ 39,69
Each
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 609-7088
FabrikantnummerXMPE12C2131
€ 80,40
Each
Aantal stuks
Differential 1.3bar 12bar 3.5 % - Air, Fresh Water, Sea Water - G1/4 - PG13.5 Cable Gland - 1.5 A - -
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