The number of applications with complex stationary fuel cell systems is constantly increasing. For example in the field of emergency back-up power for replacing diesel generators. But also as power and heating supply for public buildings or private homes many development projects are on the way – especially in combination with photovoltaics or windpower as local source of green energy. Excess hydrogen can be compressed and stored on-site for later usage.
In these plants, similar to electrolysers, not all measuring instruments are in direct contact with hydrogen. For example, water or air circuits must be monitored and controlled.