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. 177-383
FabrikantnummerTKDA-N-1-Z-B04U-M-V 2130X000X00
FabrikantGefran
211,05 €
Each
Aantal stuks
Absolute 0bar 4bar ±0.5 % Analogue Hydraulic Fluid, Pneumatic Fluid - G1/4 0 → 10 V M12 Connector - 1 ms - 15 → 30 V dc
RS-stocknr. 136-5090
Fabrikantnummer3200B0060G05GR00
FabrikantGems Sensors
133,85 €
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Aantal stuks
Relative 0bar 60bar 0.5 % Analogue Air Fluid, Hydraulic Fluid, Hydraulic Oil, Oil - G1/4 4 → 20 mA Large DIN Connector - 1 ms 2 (Sink & Source) mA 8 → 30 V dc
RS-stocknr. 124-2157
FabrikantnummerXMLR100M2P05
283,00 €
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Aantal stuks
Differential 5 (Falling) bar, 8 (Rising) bar 97 (Falling) bar, 100 (Rising) bar ≤0.2 (Repeat) %, ≤0.6 (Output) %, ≤1 (Overall) % PNP-2NO/NC Air, Fresh Water, Hydraulic Oil, Refrigerator Fluid - G1/4 - M12 4-Pin Connector - ≤5 ms ≤50 mA 24 V dc
RS-stocknr. 177-8851
FabrikantnummerXMEP100BT21F
125,00 €
Each
Aantal stuks
- 0bar 100bar ±0.5 % Analogue Air, Fresh Water, Hydraulic Oil - G1/4 4 → 20 mA 3 Pin DEUTSCH Connector DT04-3P - <=2 ms 23 mA 12 → 24 V dc
RS-stocknr. 136-5041
Fabrikantnummer3100S0016G01B000
FabrikantGems Sensors
126,00 €
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Aantal stuks
Relative 0bar 16bar 0.25 % Analogue Air Fluid, Hydraulic Fluid, Hydraulic Oil, Oil - G1/4 0 → 10 V 9.4 mm DIN Connector - 1 ms 2 (Sink & Source) mA 8 → 30 V dc
RS-stocknr. 136-5056
Fabrikantnummer3100S0040G01E000
FabrikantGems Sensors
123,00 €
Each
Aantal stuks
Relative 0bar 40bar 0.25 % Analogue Air Fluid, Hydraulic Fluid, Hydraulic Oil, Oil - G1/4 0 → 10 V 4-Pin M12 x 1 Connector - 1 ms 2 (Sink & Source) mA 8 → 30 V dc
RS-stocknr. 169-7642
FabrikantnummerPBN1B222-R6
FabrikantHoneywell
810,00 €
1 Box of 25
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Relative 24.9mbar 124.5mbar - Relay Air - - - Tab - - 40 mA 30 V ac/dc
Nieuw
RS-stocknr. 213-3356
FabrikantnummerPBT-RB6X0SG1SENAMA0Z
FabrikantSick
127,00 €
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Relative 0bar 6bar <±1 % Current Air, Gas, Hydraulic Fluid, Liquid, Oil, Water - - 4-20 mA M12 Connector - <4 ms 25 mA 8 - 30 V
RS-stocknr. 176-7888
FabrikantnummerXMLP100BC11F
130,15 €
Each
Aantal stuks
- 0bar 100bar ±0.5 (Measurement) %, 0.1 % 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. 176-7879
FabrikantnummerXMLP040BD290
135,67 €
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- 0bar 40bar ±0.5 (Measurement) %, 0.1 % Analogue Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid - 7/16 - 20 UNF SAE 4 → 20 mA 4 Pin M12 Male Connector - ≤2 ms 23 mA 12 → 24 V dc
RS-stocknr. 125-1295
FabrikantnummerPN7597
Fabrikantifm electronic
310,80 €
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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
Nieuw
RS-stocknr. 213-2737
FabrikantnummerMLH100PGB01A
FabrikantHoneywell
135,94 €
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Aantal stuks
Relative - 100psi ±0.25% Ratiometric Gas, Liquid, Oil - - - - - - - 24 V
RS-stocknr. 655-8189
Fabrikantnummer26PCDF A2G
FabrikantHoneywell
40,79 €
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Aantal stuks
Relative 0psi 30psi ±0.1 % Wheatstone Bridge Nitrogen Gas, Oxygen, Water - - 100 mV dc PCB - 1 ms - 10 V dc
Nieuw
RS-stocknr. 210-0741
FabrikantnummerPP20H-2.3B59R.D115.542020.000
FabrikantBaumer
389,40 €
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Aantal stuks
Relative -1bar 0bar ±0.5 % Current Fluid - M12 - - - - - 30 V
RS-stocknr. 125-1268
FabrikantnummerPN7071
Fabrikantifm electronic
298,80 €
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Aantal stuks
Relative 0bar 250bar ±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. 748-4711
FabrikantnummerISE40A-C6-T
FabrikantSMC
128,23 €
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Aantal stuks
Vacuum -0.1MPa 1MPa ±0.2 % Analogue Gas - 6 mm Tube 1 → 5 V, 4 → 20 mA - - 2.5 ms 45 mA 12 → 24 V dc
RS-stocknr. 175-5015
FabrikantRS PRO
215,15 €
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Aantal stuks
Relative 0bar 0.75bar ±0.25 % Analogue - - G1/4 0 → 5 V M12 Connector - - - 9 → 32 V dc
RS-stocknr. 124-1486
Fabrikantnummer46882608
FabrikantWIKA
196,05 €
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Aantal stuks
- 0bar 6bar 0.25 % Analogue Gas, Liquid - G1/4 4 → 20 mA DIN 175301-803 A - < 3 ms - 8 → 35 V dc
RS-stocknr. 202-3539
FabrikantnummerMLH500PSB09A
FabrikantHoneywell
115,23 €
Each
Aantal stuks
Sealed Gauge 50psi 500psi ±0.25 % Analogue Gas, Liquid Level - - - - - - - 24 V
RS-stocknr. 779-4285
Fabrikantnummer209959-RS
FabrikantGems Sensors
123,50 €
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Aantal stuks
- 250psi 1000psi - SPDT Air, Hydraulic - BSP 1/4 - Screw Terminals - - 5 A 125/250 V