When should you choose a mechanical pressure switch so when should you rather choose for an electric pressure switch? Each switch principle offers advantages, but also has its limitations. Among other activities, you can find differences in the application areas for mechanical and electronic pressure switches. A consideration of this will give you support in your selection.
Application areas for mechanical pressure switches
Mechanical pressure switches tend to be used when the budget is bound and only individual switch points are essential. They are often found in safety-critical applications where they have yet another or redundant safety function. While they remain idle for years, they transmit an instantaneous switching signal when the pressure exceeds the preset critical switch point pressure. For process control, however, mechanical pressure switches are not the first choice in electronic systems, because they are often suffering from mechanical wear, causing signal drift or even premature failure.
Application areas for electronic pressure switches
Electronic pressure switches are employed where several switch points and the stability and flexibility of the control are essential. They are perfect for automated equipment and control systems where programmable switches are preferred, as the desired setting for the switch point may change through the years. Whenever additional analogue output signals, an area indication by display or flexible adjustment and programming are essential, electronic pressure switches will be the primary choice.
Note
Horribly on mechanical pressure switches and electronic pressure switches are available on the WIKA website. Would you like to buy pressure switches? Inside our WIKA online store you?ll find a few of our standard versions.
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Mechanical pressure switches: So how exactly does one set the switch point?g