The Bronkhorst solution consists of three mass flow controllers of the EL-FLOW Base series, that are controlled by a PLC inside the analysis equipment. A sample is accurately weighted and fed into the combustion oven of the analyser. One of the mass flow controllers is used to supply oxygen as a reactant in the combustion process. Oxygen needs to be dosed accurately to save catalyst, and the flow through the combustion oven needs to be constant. Read more