test circuit for a device for the measurement of sulphur dioxide (so amp; amp; darr; 2 amp; amp; darr;) with the concentrations with time

摘要

The application relates to a measuring line for a device for measuring sulphur dioxide (SO2) and is characterised in that the measuring line (7) has an inlet (1) via which metered amounts of an acid or an aqueous solution of an acidic salt can be fed into the measuring line (7). IMAGE