Components 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 …
Standards/approvals/directives
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 …
WIKA develops pressure sensor for hydrogen-powered vehicles
| Christian Wirl | ApplicationsDue to customers‘ demand for greater safety, eco friendliness, performance and efficiency, manufacturers of mobile working machines, trucks and buses are increasingly interested in hydrogen as a fuel source. In hydrogen-powered vehicles, the gas in the H 2 storage …
Why the calibration of (force) measuring instruments is important
| Markus Heidl | Calibration, ProductsEveryone involved in measurement technology knows the somewhat flippant – but very catchy – statement: “If you measure a lot, you measure nothing!” What is meant by this is: You can measure a lot. But the values are only useful if you can validate them. In …
Flame arrester protects sewage vacuum truck tanks
| Jing Lyu | ApplicationsA pre-volume deflagration flame arrester or – simplified – a flame arrester prevents flame transmission, through a measuring instrument, into a zone 0 (gas) hazardous area. This protective function, therefore, plays an important role, especially in process …