There are many reasons for using electrical thermometers with short response times: optimisation of the efficiency, more efficient utilisation of the working range of a process, avoidance of thermal overload of the process medium. But how are response times measured, …
Know-how
Repeal of EC79/2009 for hydrogen-powered vehicles: Impact on pressure sensors
Christian Wirl | Know-howComponents in a hydrogen-powered vehicle must have an application-specific safety approval, for which the European Union issued regulation EC79/2009. Although this regulation expired in July 2022, it has not lost its relevance - manufacturers and users will continue to …
Not the same: temperature range and temperature limit
Michèle Beyer | Know-howTemperature range and temperature limit for pressure sensors – is there a difference? My intuitive answer would be: Yes! The first term describes a section and the second its border. On second glance, however, I have to conclude that both words ultimately express the …
MH-4 pressure sensor: Quality through extensive testing
Arndt W. Jahns | Know-howTo support customers in their applications and to provide quality assurance, measuring instruments from WIKA undergo comprehensive in-house testing throughout their development cycle and beyond. This commitment to rigorous, impartial testing enables us to fulfil our …
Mechanical pressure switches: What principle do they work on?
Melanie Höfling | Know-howMechanical pressure switches in compact design ensure safe pressure monitoring in, for example, pumps, compressors and mobile working machines. Regardless of the application, they function in accordance with the principle of the preloaded spring, with a diaphragm or a …