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 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 - Like 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. 922-7305
FabrikantnummerMPVZ4006GW7U
FabrikantNXP
8,033 €
Each (In a Tray of 40)
Aantal stuks
Relative 0bar 6kPa ±2.5 % Analogue Air - - 4.6 V PCB Mount - - - 4.75 → 5.25 V dc
RS-stocknr. 430-9878
Fabrikantnummer401001/000-458-405-502-20-601-61/000
FabrikantJumo
159,31 €
Each
Aantal stuks
Relative 0bar 6bar 0.5 % - Fluid, Gas - G1/4 4 → 20 mA DIN 43650 Type A - 3 ms - 10 → 30 V dc
RS-stocknr. 914-8344
FabrikantnummerDP101AEP
FabrikantPanasonic
127,69 €
Each
Aantal stuks
Relative -1bar 10bar ±1 % PNP Open Collector Non-Corrosive Gas - G1/8 1 → 5 V dc, 100 mA Wire Lead - 2.5 ms - 12 → 24 V dc
RS-stocknr. 177-8871
FabrikantnummerXMLP006GC11F
125,00 €
Each
Aantal stuks
- 0bar 6bar ±0.5 % Analogue Air, Fresh Water, Gas, Hydraulic Oil - - 0.5 → 4.5 V 3 Pin Male Connector - <=2 ms 5 mA 5 V dc
RS-stocknr. 173-2221
FabrikantnummerSDP2000-L
FabrikantSensirion
62,44 €
Each (In a Tray of 25)
Aantal stuks
Differential -100Pa 3500Pa 0.2 %, 1.5 % Analogue Air, Non-Aggressive Gas - - 0.25 → 4 V 3 Pin SMD Connector - 40 ms 5.2 mA 4.75 → 5.25 V
RS-stocknr. 125-1273
FabrikantnummerPN7097
Fabrikantifm electronic
307,80 €
Each
Aantal stuks
Relative 0bar 1bar ±0.5 % 2x PNP/NPN-NO/NC Fluid - G1/4 - M12 Connector IO-LINK <3 (Minimum Switching Output) ms 150 mA @ +60 °C, 200 mA @ +60 °C, 250 mA @ +40 °C 18 → 30 V dc
RS-stocknr. 313-5389
Fabrikantnummer14X1JA1GV1
FabrikantVega
244,29 €
Each
Aantal stuks
Relative 0bar 60bar 0.3 % - Fluid, Gas, Vapour - G1/2 4 → 20 mA DIN 43650 Type A - - - 12 → 36 V dc
RS-stocknr. 186-012
Fabrikantnummer401050/000-455-405-593-68-601-36/000
FabrikantJumo
314,18 €
Each
Aantal stuks
Differential 0bar 1.6bar - - Fluid, Gas - G1/8 4 → 20 mA M12 Connector - - - 10 → 30 V dc
RS-stocknr. 197-6893
FabrikantnummerMPRLS0015PA0000SA
FabrikantHoneywell
14,80 €
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Absolute 0psi 15psi ±0.25 %FSS BFSL Transistor Gas, Liquid - - - - - - - 3.6 V
RS-stocknr. 169-8088
FabrikantnummerADP5161
FabrikantPanasonic
24,385 €
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Aantal stuks
Relative - - ±1.25 % Amplified Air - - 4.5 V PCB - - 10 mA 5 V dc
Nieuw
RS-stocknr. 206-7036
FabrikantnummerPP - 222 3AQ
FabrikantVega
326,57 €
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Aantal stuks
Relative -1bar 1000bar 0.3 % Analogue Gas, Vapour - - - - - - - 35 V
RS-stocknr. 135-3730
FabrikantnummerXMLA010C2S11
188,00 €
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- 0bar 10bar 2 % 1CO Corrosive Fluid - - - PG 13.5 - - 100 mA @ 250 V dc, 3 A @ 120 V ac 240 V ac, 250 V dc
RS-stocknr. 176-7880
FabrikantnummerXMLP060BC11F
130,15 €
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- 0bar 60bar 0.1 %, ±0.5 (Measurement) % Analogue Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid - - 0.5 → 4.5 V EN 175301-803-A 3 Pin Male Connector - ≤2 ms 7 mA 5 V dc
RS-stocknr. 455-4826
Fabrikantnummer3100B1600S2TE000
FabrikantGems Sensors
123,00 €
Each
Aantal stuks
Relative 0bar 1600bar 0.25 % Analogue Air Fluid, Hydraulic Fluid, Hydraulic Oil, Oil - M12 4 → 20 mA M12 Connector - 1 ms - 8 → 30 V dc
RS-stocknr. 177-8883
FabrikantnummerXMLPM01GC21F
125,00 €
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Aantal stuks
- -1bar 1bar ±0.5 % Analogue Air, Fresh Water, Gas, Hydraulic Oil - - 4 → 20 mA 3 Pin Male Connector - <=2 ms 23 mA 12 → 24 V dc
RS-stocknr. 199-3837
FabrikantnummerPM620TS-06A
FabrikantDruck
2.146,25 €
Each
Aantal stuks
Absolute 1.2bar 100bar - - - - - - - - - - -
RS-stocknr. 169-7657
Fabrikantnummer26PCDFA6G
FabrikantHoneywell
29,604 €
Each (In a Box of 25)
Aantal stuks
Relative 0psi 30psi ±0.25 % Unamplified Nitrogen Gas, Oxygen - - 0 → 100 mV 4-Pin Connector - 1 ms - 2.5 → 16 V dc
RS-stocknr. 535-1195
Fabrikantnummer526610CLBHTI
FabrikantGems Sensors
198,30 €
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Aantal stuks
Differential -1000Pa 1000Pa ±1 % Analogue Air, Non-Conductive Gas - - 4 → 20 mA Terminal Strip - 1 s - 24 V dc
RS-stocknr. 176-7926
FabrikantnummerXMLP600BD11F
128,81 €
Each
Aantal stuks
- 0bar 600bar 0.1 %, ±0.5 (Measurement) % Analogue Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid - - 0.5 → 4.5 V 4 Pin M12 Male Connector - ≤2 ms 7 mA 5 V dc
RS-stocknr. 200-6100
Fabrikantnummer325534009-50
FabrikantTE Connectivity
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