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How do you use a pressure sensor?

3 min read

Asked by: Amber Solomon

Pressure sensors are used for control and monitoring in thousands of everyday applications. Pressure sensors can also be used to indirectly measure other variables such as fluid/gas flow, speed, water level, and altitude.

What is an example of a pressure sensor?

A common example of this is when a tire pressure gauge is used to measure the air pressure in an automobile tire.

How do you read a pressure sensor?

First identify the major units around the gauge. These are represented by the largest marks along the edge. And are typically labeled with a number in. This example we see 300 and 400.

What is meant by pressure sensor?

A pressure sensor is a device that detects a force exerted on a surface (pressure) and converts it to an electronic signal whose strength is relative to the strength of the force. Pressure sensors can also be used to measure the force exerted.

What are the advantages of a pressure sensor?

Low cost and higher durability. Good resistance to shock, vibration, and dynamic pressure changes. Circuits are very simple and enable high-resolution measurement. Linear output and millisecond response time.

Where should a pressure sensor be placed?

As a general rule, pressure sensors should always be placed away from any turbulent air. Placement near windows or doors, and supply or exhaust vents should always be avoided.

How do you measure PSI?

Divide the force by the area.



Your pressure will be expressed in pascals (Pa) or pounds per square inch (psi).

What are the various types of sensors used to measure pressure?

Different Types of Pressure Sensors

  • Strain Gauge – Chemical Vapor Deposition Pressure Sensors.
  • Strain Gauge – Sputtered Thin Film Pressure Sensors.
  • Variable Capacitance Pressure Sensors.


Where are pressure transducers used?

Pressure transducers are used in many control and monitoring applications such as flow, air speed, level, pump systems or altitude.

What is a disadvantages of a pressure gauge?

The greatest disadvantage to using a battery-powered pressure gauge is that the battery will need to be replaced, and that can be unpredictable. But battery-powered gauges do offer flexibility and durability while in the field.

How do digital pressure gauges work?

With digital pressure gauges, there are no moving parts. A sensor measures pressure variations and converts them into proportional electrical signals. An integrated microprocessor then converts those electrical signals into numeric values, which are shown on the gauge’s digital display.

Which pressure gauge is more accurate?

Test gauges and standards: 0.25% through 0.10% full scale accuracies.



What does pressure gauge accuracy mean?

Accuracy class error margin (Percentage of measurement spread)
0.25 ± 0.25%
0.6 ± 0.6%
1 ± 1%
1.6 ± 1.6%