Important Parameters Before Purchasing a Pressure Sensor

A pressure sensor is a tool used to measure pressure by converting mechanical stresses into electrical signals. The signals are then captured or read by a pressure gauge (instrumentation). Pressure sensors are very useful in various industries such as automotive, biomedical, manufacturing, etc.

In the automotive field, the pressure sensor is used in the pressure brake system or Anti-LockBrake System (ABS), whereas, in the biomedical field, pressure sensors are used to make important measurements such as blood pressure and intravenous fluid pressure. Pressure sensors are also applied in the manufacturing industry for various things, such as heating processes, composite components, pneumatics, and many more. In essence, the industry needs Pressure Sensors as detectors of one of the most important factors in the production process.

The pressure sensor is one of the most commonly used sensors in industrial practice. It is widely used in all kinds of industrial automatic control environments such as hydropower and hydropower, rail transportation, production automation, aerospace, military industry, petrochemical, oil well, electric power, ships, machine tools, pipelines and so on. Currently, pressure sensors are manufactured using advanced technology so that semiconductor pressure sensors have emerged to replace traditional pressure sensors. The semiconductor pressure sensor has the characteristics of small volume, lightweight, high accuracy, and good temperature characteristics. In particular, semiconductor sensor technology is evolving into miniaturization with its small power consumption and high reliability.

The pressure sensor has a very important role in an industrial system. Therefore, before you buy it, several important parameters must be considered. Based on these parameters, you can choose which sensor is available properly. Here are the main parameters to look for:


The first parameter is accuracy. Based on the process in your industry, you will have to decide what kind of accuracy you are looking for. This will determine the type of sensor. The sensors are available with an accuracy of 0.5% to an accuracy of 0.1%, 0.25%, and 0.05%. Accuracy increases as well as price. The more accurate the Pressure Sensors, the more likely the price will increase.


The output is related to voltage and current output. A sensor with a voltage output is generally used, when the sensor and data acquisition system are close together. These sensors provide mV (millivolt-1000th volt) output in the range of about 0 – 30 or 100 mV. This type of sensor generally uses a strain gauge. Meanwhile, sensors with current output are generally used when the distance between the sensor and measuring instruments or data acquisition systems is further away, such as in large factories. This type of output has high noise immunity.

Environment and Fittings

The conditions of your industrial operating environment will determine the mechanical structure of the sensor. If your industrial environment is harsh then you need a sensor with an excellent protection system, but this costs extra. Fitting related to the installation of sensors, operating methods, and other mechanical arrangements. Environmental factors and fittings need to be considered so that we can determine the type of pressure sensor that is specific to your design. The most effective way is to work with Pressure Sensors suppliers who provide custom services.