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Pressure Sensors

Pressure sensing devices.

Pressure sensors are measurement devices for detecting variations in pressure of liquids or gases. Typically a pressure sensor is made of two subcomponents, an electromechanical assembly on the frontend, and a signal conditioning module on the backend.

The frontend of the pressure sensor is connected directly via a thread or clamped seal to a pipe or vessel containing the liquid or gas to be measured. The pressure generated by the liquid or gas will apply a force to a sensitive exposed surface area within the electromechanical assembly which produces a physical change to the material, such as a deformation. This physical change is translated into an electrical change by smaller elements incorporated into the sensitive part of the assembly, typically on the reverse side of the surface in contact with the liquid or gas.

Since there are many different types of electromechanical technology used to measure pressure, producing very different electrical characteristics, it is necessary to add on a signal conditioning module to rationalise the electrical signal and convert it to one which is a commonly used standard within a particular industry or application.

Featured pressure sensor products

  • Silicon Pressure Sensors - Silicon Pressure Sensors have silicon diaphragms which have a very high elasticity and semiconductor strain gauges which produce a high span sensitivity.
  • Differential Pressure Transmitters - Differential pressure transmitters for measuring the DP of fluids and gases across particle filters and along a length of pipe to monitor flow.

Glossary of Pressure Sensor technical terms

  • Ceramic Pressure Sensors
  • Digital Compensation
  • Dry Cell
  • Dry/Dry
  • HART®
  • Isolation Diaphragm
  • LVDT – Linear Variable Differential Transformer
  • SOI – Silicon on Insulator
  • Stainless Steel Pressure Sensors
  • Static Line Pressure
  • Wet/Dry
  • Wet/Wet

Help from Pressure Sensor resources

  • Transforming a 2 wire Current Loop into a Voltage Output Signal
  • Measuring vacuum as a negative gauge pressure using a dp sensor
  • How do you measure flow rate with a dp cell
  • How do you choose the correct pressure range for a pressure sensor
  • Pressure Sensor Accuracy Specifications
  • Supply voltage and load resistance considerations for pressure transmitters
  • Symptons and Causes of Damage to Pressure Transducer Diaphragms
  • How to Connect a 4-20mA Current Loop Pressure Transmitter
  • What is difference between working, burst and over pressure
  • Measuring liquid level in a tank using a dp sensor
  • Measuring density of a liquid using a dp sensor
  • Pressure Sensor Technology Comparative Guide

Guidance with Pressure Sensor requirements

  • ASL Low Cost Miniature Pressure Transducer Pressure Transducers

Tools for Pressure Sensor calculations

  • Pressure Sensor Calculator
  • DP Flow Transmitter Output Calculator

Primary Sidebar

Pressure Sensor Specifier

Specify a pressure sensor

Select your pressure sensor requirements

Pressure Sensor Calculator

Calculate errors and readings for a pressure sensor
Enter your parameters into this pressure sensor calculator to determine calibration errors, expected readings, and error tolerances

Pressure Sensor Technology Guide

Rating table for performance of different pressure sensor technology types

Compare performance of the most popular pressure sensor technology types and how they rate for different application requirements

Products

  • Pressure
  • Level
  • Temperature
  • Interfacing
  • Datalogging
  • Calibration
  • Wireless

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