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Bourdon Tube

Bourdon Tube is a flattened length of thin hollow metal tubing which is formed into a C shape.

If the tube is closed at one end and pressurised at the other end, the flattened tube will become more circular which will cause the tube to straighten by an amount which is proportional to the applied pressure.

If a rotating needle is attached to the closed end via some gears and linking mechanisms, it is possible to transform the displacement of the Bourdon tube into a needle rotation.

If a dial is added behind the needle with calibrated pressure reading markings, it can be used as a pressure gauge.

Pressure gauge products
  • LEO Record (Ei) Capo Low Pressure Logger
  • Autoclave pressure sensor and display with 10 bar range
  • 300 mbar vacuum and pressure high accuracy gauge
  • LEO3 Current or Digital Output Pressure Gauge

Request info on pressure gauge products for your application.

Sensor Technology Related Terms

More pages related to sensor technology technical terms.

  • BFSG – Bonded Foil Strain Gauge
  • Capacitive Fluid Level Measurement
  • Ceramic Pressure Sensors
  • Conductive Fluid Level Detection
  • Doppler Effect Flow Measurement
  • Float Fluid Level Detection
  • LVDT – Linear Variable Differential Transformer
  • Paddle Wheel Sensor
  • Piezoresistive Strain Gauges
  • Positive Displacement Flow Measurement
  • Radar Distance Sensing
  • SOI – Silicon on Insulator
  • Strain Gauge
  • Thin Film
  • Transit Time Flow Measurement
  • Turbine Rotor Sensor
  • Ultrasonic Distance Sensing
  • Ultrasonic Flow Velocity Sensors
  • Vibrating Tuning Fork Fluid Level Detection
  • Vortex Flow Measurement
  • Wheatstone Bridge Strain Gauge

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Digital Pressure Gauge Specifier

Specify a digital pressure gauge
Select your digital pressure gauge requirements

Product Selection Guides

  • Pressure Transmitters
  • Pressure Transducers
  • Liquid Level Sensors
  • Digital Pressure Gauges
  • Data Loggers

Application Selection Guides

  • Vacuum
  • Submersible
  • Low Pressure Range
  • Leak Testing
  • High Frequency Response
  • Dual Temperature and Pressure
  • Barometric Pressure

Help Guides

  • Reduce calibration costs of analogue pressure gauges
  • Measuring the difference in air pressure between rooms
  • How to get a 10 volt signal from a 4-20mA output pressure sensor
  • How to Connect a 4-20mA Current Loop Pressure Transmitter
  • Determining the hydrostatic pressure range for a tank level sensor
  • Choosing PVC, PUR, FEP and TPE cable types

Online Measurement Tools

  • Vertical Cylindrical Shaped Tank Contents Calculator
  • Total Volume & Total Time to Flow Rate Calculator
  • Temperature Transmitter 4-20mA Current Output Calculator
  • Pressure Transmitter 4-20mA Current Output Calculator
  • Pressure to Liquid Level Calculator
  • Pressure Converter
  • Pressure & Area to Force Calculator
  • Piston Cylinder Pressure & Diameter to Force Calculator
  • Measurement Reading to 4-20mA Signal Converter
  • Liquid Level Transmitter 4-20mA Current Output Calculator
  • Liquid Depth/Level to Hydrostatic Pressure Calculator
  • Input to Output Measurement Reading Converter
  • Horizontal Cylindrical Shaped Tank Contents Calculator
  • Force & Area to Pressure Calculator
  • Density to Specific Gravity Calculator
  • Calibration Error Calculator
  • 4-20mA Signal to Measurement Reading Converter

Product Enquiry

Send us your enquiry for a product associated with this Bourdon Tube page, and get assistance with selecting a product for your application.

Email Your Enquiry

enquiries@sensorsone.com

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