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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รายละเอียดสินค้า / Description ราคา / Price Pressure Reading Type Minimum Pressure Reading Maximum Pressure Reading Accuracy Output Type Media Measured Process Connection Analogue Output Electrical Connection Communication Protocol Response Time Maximum Current Supply Voltage Interface
RS Stock No. 181-0608
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.E8PC-010T-E
Brand :Omron
THB20,544.14
Each
Units
- - - - - - - - - - - - 10 → 30 V dc -
RS Stock No. 135-3766
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.XMLK100P2D23
THB3,247.96
Each
Units
- 0psi 100psi ±0.3 % Analogue Air, Fresh Water - 4 → 20 mA M12 3-Pin Connector - 2 ms 20 mA 24 V dc -
RS Stock No. 739-6787
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.PBT-RB400SG1SSNAMA0Z
Brand :Sick
THB4,136.06
Each
Units
Relative 0bar 400bar ±0.5 % Analogue Fluid, Gas G1/4 4 → 20 mA M12 Connector - 4 ms 25 mA 8 → 30 V dc -
ใหม่ / New
RS Stock No. 213-3341
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.PBT-RB010SG1SSNVMC0Z
Brand :Sick
THB4,688.88
Each
Units
Relative 0bar 10bar <±1 % Voltage Air, Gas, Hydraulic Fluid, Liquid, Oil, Water - 0 - 10 V M12 Connector - <4 ms 8 mA 14 - 30 V -
ใหม่ / New
RS Stock No. 213-3324
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.PBS2-RB010SG2SS0LMA0Z
Brand :Sick
THB11,655.78
Each
Units
Relative 0bar 10bar <±0.5 % 2x PNP/NPN-NO/NC Air, Gas, Hydraulic Fluid, Liquid, Oil, Water - - M12 Connector IO-LINK 5 ms 600 mA 15 - 35 V IO-Link
RS Stock No. 922-7368
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.MPXA4250AC6U
Brand :NXP
THB475.747
Each (In a Tube of 40)
Units
Absolute 20kPa 250kPa ±1.5 % Analogue Air - 4.9 V PCB Mount - 1 ms - 4.85 → 5.35 V dc -
RS Stock No. 828-5732
Brand :RS PRO
THB6,528.20
Each
Units
Relative 0bar 0.75bar <±0.25 % Current Oil, Water G1/4 4 → 20 mA DIN 43650 Type A - - 28 mA 9 → 32 V dc -
RS Stock No. 795-4727
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.3100B0100S01B000
Brand :Gems Sensors
THB3,975.98
Each
Units
Relative 0bar 100bar ±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. 835-3942
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.PU5443
THB4,192.37
Each
Units
Relative 0bar 40bar ±0.5 % Analogue Gas, Liquid G1/4 0 → 10 V M12 Connector - 1 ms - 16 → 36 V dc -
RS Stock No. 286-686
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.26PCBFA6D
Brand :Honeywell
THB1,456.28
Each
Units
Differential 0psi 5psi ±0.25 % Unamplified Nitrogen Gas, Oxygen - 47 → 53 mV 4-Pin Connector - 1 ms - 10 V dc -
RS Stock No. 197-6896
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.MPRLS0025PA00001A
Brand :Honeywell
THB167.677
Each (On a Reel of 160)
Units
Absolute 0psi 25psi ±0.25 %FSS BFSL Transistor Gas, Liquid - - - - - - 3.6 V I2C
RS Stock No. 146-2933
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.XMLP2D5GC71F
THB4,442.08
Each
Units
Differential 0bar 2.5bar 0.1 % Analogue Air, Fresh Water, Gas, Hydraulic Oil - 0 → 10 V 3-Pin DIN 43650 Male Connector - ≤2 ms <7 mA 24 V dc -
RS Stock No. 896-8496
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.3500B0001A01G000
Brand :Gems Sensors
THB4,944.22
Each
Units
Absolute - 1bar 0.25 % Current Air, Gas, Water G1/4 4 → 20 mA DIN 43650 Type A - - - 10 → 30 V dc -
RS Stock No. 123-5238
Brand :RS PRO
THB15,100.08
Each
Units
Relative 0bar 25bar ±0.25 % Analogue Air, Hydraulic Fluid, Liquid, Non-Aggressive Gas, Oil, Water G1/4 0 → 5 V, 4 → 20 mA Wireless - - - - -
RS Stock No. 207-4677
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.154N-015G-RT
THB3,639.15
Each
Units
Gauge 0psi 15psi - Voltage Gas, Liquid Level - - - - - - - -
RS Stock No. 746-3650
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.X5072-TB-A2-CA-H1-PA 100 bar SG
Brand :Druck
THB14,467.33
Each
Units
Relative - 100bar ±0.1 % Analogue Fluid G1/4 4 → 20 mA DIN 43650 Type A - 10 ms 20 mA 7 → 28 V -
RS Stock No. 136-5066
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.3100S0016G05G000
Brand :Gems Sensors
THB4,202.59
Each
Units
Relative 0bar 16bar 0.25 % Analogue Air Fluid, Hydraulic Fluid, Hydraulic Oil, Oil G1/4 0 → 10 V Large DIN Connector - 1 ms 2 (Sink & Source) mA 8 → 30 V dc -
RS Stock No. 235-5835
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.24PCCFA6D
Brand :Honeywell
THB1,127.90
Each
Units
Differential 0psi 15psi 0.2 % Unamplified Nitrogen Gas, Oxygen, Water - 165 → 285 mV Solder Tag - 1 ms - 10 V dc -
RS Stock No. 146-5288
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.XMLPM09BC71F
THB7,251.64
Each
Units
Differential - 30bar ±0.5 % Analogue Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid G1/4 0 → 10 V 3-Pin EN 175301-803-A Male Connector - ≤2 ms <7 mA 24 V dc -
RS Stock No. 463-5559
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.404366/000-491-405-504-20-61/000
Brand :Jumo
THB11,476.86
Each
Units
Absolute 0bar 4bar 0.5 % Analogue - G1/2 4 → 20 mA DIN 43650 Connector - - - 10 → 30 V dc -