Pressure Sensors | Pressure Transducers | RS
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    Pressure Sensors

    What are 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. You can find out more on our useful pressure sensors guide.

    There are various sensor technologies used within pressure sensor devices. Depending on the measurement requirements, this can influence their sensing accuracy and reliability. The mechanical displacement within the sensor is turned into an electrical output signal which is achieved with 5 different methods.

    • Resistive Sensors - These types of sensors use the change in electrical resistance of a strain gauge connected to the diaphragm.
    • Capacitive Sensors - Are highly sensitive and are able to measure low pressure under 10 bar while still withstanding large overloads.
    • Piezoelectric Sensors - 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 Sensors - 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 – Short for micro-electro-mechanical system and contains capacitive or piezo pressure sensing mechanisms on silicon at micron level resolution.

    Types of Pressure Sensors

    There are various properties which can be used to classify the type of sensor it is and its appropriate application, including; 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 Sensors - Similar to gauge pressure sensors 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 a wide variety of applications across many industries. These include medical, aviation, automotive and marine. Take a look at our comprehensive range of pressure sensors, many brought to you from industry leading brands including our very own, RS Pro.

    3628 Producten voor Pressure Sensors

    NIDEC COPAL ELECTRONICS GMBH
    Gauge
    0kPa
    1373kPa
    ± 0.3 %
    -
    Non-corrosive gases
    -
    -
    -
    -
    -
    -
    P-2000
    -
    -
    -
    -
    -
    -
    -
    -
    Gefran
    Relative
    0bar
    17bar
    ±0.5 %
    -
    Fluid
    -
    -
    -
    -
    -
    -
    -
    18 → 30 V
    IO-Link
    -
    -
    IP65
    -
    -
    -
    Allen Bradley
    Relative
    0bar
    25bar
    ±1 %
    4 → 20 mA, Analogue, PNP-NO/NC
    Gas, Liquid, Steam
    NPT 1/4
    4 → 20 mA
    4-Pin M12 DC Micro Connector
    IO-LINK
    -
    450 mA
    836P
    15 → 35 V dc
    IO-Link
    Stainless Steel
    -
    IP65, IP67
    +80°C
    -20°C
    Vertical Mount
    Variohm Group
    Absolute
    4bar
    10bar
    0.5
    Voltage
    -
    -
    -
    -
    -
    -
    -
    EPT8100
    -
    -
    -
    -
    -
    -
    -
    -
    Endress+Hauser
    Absolute, Gauge
    400mbar
    400bar
    0.5 %
    Analogue
    -
    -
    -
    -
    -
    -
    -
    Ceraphant PTP31B
    -
    -
    -
    -
    -
    -
    -
    -
    Endress+Hauser
    Absolute, Gauge
    400mbar
    400bar
    0.5 %
    Analogue
    -
    -
    -
    -
    -
    -
    -
    Ceraphant PTP31B
    -
    -
    -
    -
    -
    -
    -
    -
    Parker
    -
    0bar
    160bar
    ±0.5 %
    CAN
    -
    M16
    CAN
    M12x1 5pin
    -
    -
    -
    Electrical Connection
    -
    -
    -
    -
    -
    -
    -
    -
    Endress+Hauser
    Absolute, Gauge
    400mbar
    400bar
    0.3 %
    Analogue
    -
    -
    -
    -
    -
    -
    -
    Cerabar PMP21
    -
    -
    -
    -
    -
    -
    -
    -
    Endress+Hauser
    Absolute, Gauge
    0psi
    15psi
    ± 0.1 %
    2-wire 4 → 20 mA
    -
    -
    -
    -
    -
    -
    -
    PMP43
    -
    -
    -
    -
    -
    -
    -
    -
    Gems Sensors
    -
    0bar
    10bar
    0.25 %
    -
    -
    -
    -
    -
    -
    -
    -
    3100
    -
    -
    -
    -
    -
    -
    -
    -
    TE Connectivity
    Absolute, Gauge
    0psi
    300psi
    -
    -
    Gas, Liquid
    -
    -
    Ribbon Cable
    -
    -
    1.5 mA
    MEAS 86 Series
    -
    -
    -
    -
    -
    +125°C
    -40°C
    -
    Amphenol Advanced Sensors
    Differential
    1psi
    5psi
    ±1.5 %
    Digital
    Gas
    -
    -
    -
    -
    -
    -
    -
    3.3 V
    I2C
    -
    -
    -
    -
    -
    -
    Telemecanique Sensors
    -
    0bar
    40bar
    0.5 %
    Analogue
    Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid
    SAE 7/16-20UNF Female
    0 → 10 V
    -
    -
    -
    -
    -
    24 V
    -
    -
    -
    IP65, IP67, IP69K
    -
    -
    -
    Endress+Hauser
    Absolute, Gauge
    100mbar
    10bar
    0.5 %
    Binary
    -
    -
    -
    -
    -
    -
    -
    Ceraphant PTC31B
    -
    -
    -
    -
    -
    -
    -
    -
    Endress+Hauser
    Absolute, Gauge
    1.5psi
    600psi
    0.055 %
    -
    -
    -
    -
    -
    -
    -
    -
    Cerabar PMC51B
    -
    -
    -
    -
    -
    -
    -
    -
    Amphenol Advanced Sensors
    Absolute
    15psi
    60psi
    ±1.5 %
    Analogue
    Gas
    -
    -
    -
    -
    -
    -
    -
    3.3 V
    I2C
    -
    -
    -
    -
    -
    -
    TE Connectivity
    Absolute
    0psi
    300psi
    0.25 %
    Digital
    -
    -
    -
    -
    -
    -
    -
    85BSD
    -
    -
    -
    -
    -
    -
    -
    -
    Honeywell
    Absolute
    50psi
    500psi
    ±0.25 %
    Analogue
    Gas, Liquid Level
    -
    -
    -
    -
    -
    -
    -
    24 V
    -
    -
    -
    IP65
    -
    -
    -
    Telemecanique Sensors
    -
    0bar
    60bar
    0.1 %, ±0.5 (Measurement) %
    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
    -
    Stainless Steel 316L
    -
    IP65, IP67, IP69K
    +85°C
    -30°C
    Thread Mount
    Telemecanique Sensors
    -
    0bar
    16bar
    0.1 %, ±0.5 (Measurement) %
    Analogue
    Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid
    7/16 - 20 UNF SAE
    0.5 → 4.5 V
    4 Pin M12 Male Connector
    -
    ≤2 ms
    7 mA
    -
    5 V dc
    -
    Stainless Steel 303
    -
    IP65, IP67, IP69K
    +85°C
    -30°C
    Thread Mount
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