In many electronic pressure measurement applications there is a need to have the measured value displayed on site - either as an additional option alongside the processing of the signal within the control system or as a sole control instrument. If the transmitter …
Know-how
Worldwide use of Ex instruments and Ex pressure sensors due to international IECEx approval
Stefan Heusel | Know-howPressure sensors and electronic devices may only be used in hazardous areas if they have been tested and approved by a recognised authority in terms of their explosion protection features. So far, this was mostly carried out by a national institution which, after …
Mechanical vs electronic pressure switches: Application areas
Enrico Bossart | Know-howWhen should you choose a mechanical pressure switch and when should you rather decide for an electronic pressure switch? Each switch principle offers advantages, but also has its limitations. Among other things, there are differences in the application areas for …
Mechanical vs. electronic pressure switches: Functionality
Enrico Bossart | Know-howHow do you decide whether to use mechanical pressure switches or electronic pressure switches in your application? Each type of pressure switch has individual advantages, but also its limitations. The main differences in functionality between mechanical and electronic …
When does a sensor modification require changes to the approval?
Stefan Heusel | Know-howGenerally, all pressure sensors which are distributed in the EU market have to comply with the requirements of the “ pressure equipment directive ” as well as the EMC directive 2004/108/EC. Depending on the application or location of operation, a variety of …