Pressure Sensors

pPressure 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./p pThere 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./p strongpResistive/strong - These types of sensors use the change in electrical resistance of a strain gauge connected to the diaphragm./p strongpCapacitive/strong - Are highly sensitive and are able to measure low-pressure under 10 bar while still withstanding large overloads./p strongpPiezoelectric/strong - 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./p strongpOptical/strong - 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./p strongpMEMS/strong - This stands for micro-electro-mechanical system and contains capacitive or piezo pressure sensing mechanisms on silicon at micron level resolution./p h2Types of Pressure Sensors/h2 pWithin 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./p strongpAbsolute Pressure Sensor/strong - This type of sensor measures pressure relative to the perfect vacuum (zero reference point)./p strongpGauge Pressure Sensors/strong - These are often used to measure atmospheric pressure and are sometimes referred to as relative pressure sensors./p strongpSealed Gauge Pressure Sensor/strong - Similar to a gauge pressure sensor except they measure pressure relative to a fixed pressure, not the current ambient atmospheric pressure which can vary./p strongpDifferential Pressure Sensors/strong - 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./p h2Pressure Sensor Applications/h2 pPressure sensors are used in many applications in a large range of industries. These include medical, aviation, automotive and marine./p

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Description Price 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 Stock No. 235-5778
Mfr. Part No.24PCEFA6D
BrandHoneywell
€31.10
Each
units
Differential 0psi 0.5psi 0.2 % Unamplified Nitrogen Gas, Oxygen, Water - - 25 → 45 mV Solder Tag 1 ms - 10 V dc -
RS Stock No. 235-5807
Mfr. Part No.24PCBFA6G
BrandHoneywell
€31.72
Each
units
Gauge 0psi 5psi 0.2 % Unamplified Nitrogen Gas, Oxygen, Water - - 85 → 145 mV Solder Tag 1 ms - 10 V dc -
RS Stock No. 123-5542
Mfr. Part No.3100B0010G01B000
€240.71
Each
units
Gauge 0bar 10bar 0.25 % Analogue - RSCAL G1/4 4 → 20 mA DIN 43650 Type C 1 ms - 10 → 30 V dc -
RS Stock No. 455-4624
Mfr. Part No.3100B0010G01B000
€122.70
Each
units
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 Stock No. 293-8339
Mfr. Part No.40PC015G1A
BrandHoneywell
€69.71
Each
units
Gauge 0psi 15psi ±0.4 % Amplified Gas - - 0.5 → 4.5 V PCB 1 ms 10 mA 4.75 → 5.25 V dc -
RS Stock No. 609-7044
Mfr. Part No.XMLB300D2S11
€248.32
Each
units
Differential 22bar 300bar 2 % Relay Hydraulic Fluid - G1/4 - PG13.5 Cable Gland - 0.1 (dc) A, 3 (ac) A 120 → 240 V ac, 250 V dc -
RS Stock No. 123-5253
BrandRS PRO
€294.78
Each
units
- - - ±0.25 % Analogue - - - 0 → 5 V, 4 → 20 mA Screw Terminals - 5 A 12 → 32 V dc -
RS Stock No. 535-1218
Mfr. Part No.5266100LBACTI
€169.52
Each
units
Differential -100Pa 100Pa ±1 % Analogue Air, Non-Conductive Gas - - 0 → 10 V Terminal Strip 1 s - 24 V ac/dc -
RS Stock No. 398-7045
Mfr. Part No.0166407031027
BrandSuco
€31.13
Each
units
- 1bar 10bar - Relay Air, Heating Oil, Hydraulic Fluid, Turpentine - G1/4 - Spade Terminal - - 42 V -
RS Stock No. 397-1191
Mfr. Part No.6101-0013
BrandHerga
€41.22
Each
units
Differential 0.7bar 16bar - Relay Fluid - - - - - 5 A 250 V ac -
RS Stock No. 795-4752
Mfr. Part No.3100B0250S05G000
€125.58
Each
units
Gauge 0bar 250bar ±0.25 % Current Fluid, Gas - G1/4 4 → 20 mA DIN 43650 Type A 1 ms 20 mA 8 → 30 V dc -
RS Stock No. 797-4955
BrandRS PRO
€191.22
Each
units
Gauge 0bar 400bar ±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 Stock No. 828-5701
BrandRS PRO
€200.17
Each
units
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 Stock No. 896-8437
Mfr. Part No.3500B0006G01B000
€122.70
Each
units
Gauge - 6bar 0.25 % Current Air, Gas, Water - G1/4 4 → 20 mA DIN 43650 Type C - - 10 → 30 V dc -
RS Stock No. 788-4925
Mfr. Part No.2SMPP-03
BrandOmron
€5.27
Each (In a Pack of 2)
units
Gauge -50kPa 50kPa - Amplified Air - - - PCB - 200 μA - -
RS Stock No. 177-4881
Mfr. Part No.2SMPP-03
BrandOmron
€3.772
Each (In a Tube of 112)
units
- - - - - - - - - - - - - -
RS Stock No. 169-8093
Mfr. Part No.ADP51B61
BrandPanasonic
€11.06
Each (In a Tube of 100)
units
Gauge - - ±2.5 % Amplified Air - - 4 V PCB - 10 mA - -
RS Stock No. 836-9035
Mfr. Part No.ADP51B61
BrandPanasonic
€17.11
Each
units
Gauge - - ±2.5 % Amplified Air - - 4 V PCB - 10 mA - -
RS Stock No. 835-3854
Mfr. Part No.PG2453
€409.60
Each
units
Relative -1bar 25bar ±0.5 % Analogue + PNP-NO/NC Programmable Gas, Liquid - G1/2 4 → 20 mA M12 Connector 9 ms, 28 ms 250 mA 18 → 32 V dc -
RS Stock No. 235-5762
Mfr. Part No.24PCEFA6G
BrandHoneywell
€31.10
Each
units
Gauge 0psi 0.5psi 0.2 % Unamplified Nitrogen Gas, Oxygen, Water - - 25 → 45 mV Solder Tag 1 ms - 10 V dc -
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