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 Process Connection Analogue Output Electrical Connection Response Time Maximum Current Supply Voltage Interface Housing Material
RS Stock No. 102-4131
BrandRS PRO
MYR1,127.40
Each
units
Gauge 0bar 100bar ±0.25 % Analogue Gas, Liquid BSP 1/4 4 → 20 mA DIN 46350 Connector - - 9 → 32 V dc - Stainless Steel
RS Stock No. 102-4125
BrandRS PRO
MYR1,232.42
Each
units
Gauge -1bar 9bar ±0.25 % Analogue Gas, Liquid BSP 1/4 4 → 20 mA DIN 46350 Connector - - 9 → 32 V dc - Stainless Steel
RS Stock No. 828-5745
BrandRS PRO
MYR536.91
Each
units
Gauge 0bar 16bar <±0.25 % Voltage Air, Gas, Hydraulic Fluid, Liquid, Water BSP 1/4 0 → 5 V DIN 43650 Connector - - 9 → 32 V dc - Stainless Steel
RS Stock No. 123-5232
BrandRS PRO
MYR1,757.41
Each
units
Gauge 0bar 1bar ±0.25 % Analogue Air, Hydraulic Fluid, Liquid, Non-Aggressive Gas, Oil, Water G1/4 0 → 5 V, 4 → 20 mA Battery - - - - Stainless Steel
RS Stock No. 828-5757
BrandRS PRO
MYR1,320.45
Each
units
Gauge 0mbar 500mbar <±0.25 % Current Sewage, Viscous Fluid, Water G3/4 4 → 20 mA M12 Connector - 28 mA 9 → 32 V dc - Stainless Steel
RS Stock No. 797-5018
BrandRS PRO
MYR905.60
Each
units
Gauge 0bar 10bar ±0.25 % Current Air, Gas, Hydraulic Fluid, Liquid, Water BSP 1/4 4 → 20 mA DIN 43650 Connector - 20 mA 9 → 32 V dc - Stainless Steel
RS Stock No. 102-4126
BrandRS PRO
MYR989.23
Each
units
Gauge 0bar 10bar ±0.25 % Analogue Gas, Liquid BSP 1/4 4 → 20 mA DIN 46350 Connector - - 9 → 32 V dc - Stainless Steel
RS Stock No. 102-4145
BrandRS PRO
MYR1,551.61
Each
units
Gauge -1bar 1bar ±0.25 % Analogue Grey Water, Sewage, Viscous Fluid BSP 3/4 4 → 20 mA M12 4-pin - 28 mA 12 → 28 V dc - Stainless Steel
RS Stock No. 102-4147
BrandRS PRO
MYR1,660.42
Each
units
Gauge -1bar 9bar ±0.25 % Analogue Grey Water, Sewage, Viscous Fluid BSP 3/4 4 → 20 mA M12 4-pin - 28 mA 12 → 28 V dc - Stainless Steel
RS Stock No. 797-4970
BrandRS PRO
MYR681.73
Each
units
Gauge -1bar 9bar ±0.25 % Voltage Air, Gas, Hydraulic Fluid, Liquid, Water BSP 1/4 0 → 5 V DIN 43650 Connector - - 9 → 32 V dc - Stainless Steel
RS Stock No. 102-4133
BrandRS PRO
MYR1,041.30
Each
units
Gauge 0bar 400bar ±0.25 % Analogue Gas, Liquid BSP 1/4 4 → 20 mA DIN 46350 Connector - - 9 → 32 V dc - Stainless Steel
RS Stock No. 102-4143
BrandRS PRO
MYR1,660.42
Each
units
Gauge 0bar 50bar ±0.25 % Analogue Grey Water, Sewage, Viscous Fluid BSP 3/4 4 → 20 mA M12 4-pin - 28 mA 12 → 28 V dc - Stainless Steel
RS Stock No. 797-4986
BrandRS PRO
MYR707.47
Each
units
Gauge 0bar 250bar ±0.25 % Voltage Air, Gas, Hydraulic Fluid, Liquid, Water BSP 1/4 0 → 5 V DIN 43650 Connector - - 9 → 32 V dc - Stainless Steel
RS Stock No. 797-5021
BrandRS PRO
MYR606.37
Each
units
Gauge 0bar 100bar ±0.25 % Current Air, Gas, Hydraulic Fluid, Liquid, Water BSP 1/4 4 → 20 mA DIN 43650 Connector - 20 mA 9 → 32 V dc - Stainless Steel
RS Stock No. 828-5739
BrandRS PRO
MYR916.86
Each
units
Gauge 0mbar 1000mbar <±0.25 % Current Oil, Water BSP 1/4 4 → 20 mA DIN 43650 Connector - 28 mA 9 → 32 V dc - Stainless Steel
RS Stock No. 797-5037
BrandRS PRO
MYR1,014.66
Each
units
Gauge 0bar 10bar ±0.25 % Voltage Air, Gas, Hydraulic Fluid, Liquid, Water BSP 1/4 0 → 5 V DIN 43650 Connector - - 9 → 32 V dc - Stainless Steel
RS Stock No. 175-4982
BrandRS PRO
MYR895.10
Each
units
Gauge -1bar 24bar ±0.25 % Analogue - BSP 1/4 0 → 5 V DIN 43650 - - 9 → 32 V dc - Stainless Steel
RS Stock No. 175-5001
BrandRS PRO
MYR797.20
Each
units
Gauge 0bar 6bar ±0.25 % Analogue - BSP 1/4 4 → 20 mA DIN 43650 - 20 mA 9 → 32 V dc - Stainless Steel
RS Stock No. 123-5233
BrandRS PRO
MYR900.64
Each
units
Gauge 0bar 6bar ±0.25 % Analogue Air, Hydraulic Fluid, Liquid, Non-Aggressive Gas, Oil, Water G1/4 0 → 5 V, 4 → 20 mA Battery - - - - Stainless Steel
RS Stock No. 828-5818
BrandRS PRO
MYR806.73
Each
units
Gauge -1bar 9bar <±0.25 % Current Sewage, Viscous Fluid, Water G3/4 4 → 20 mA M12 Connector - 28 mA 9 → 32 V dc - Stainless Steel