The split box is used to control all gas flows to the At-line sample module. The external gas and power connection ports are labeled, as shown in the figure below.
Front of split flow box | Back connection ports of split flow box |
Split box consists of 3 mass flow controllers (MFC); 2 capable of up to 500mL min-1 flow rates and 1 capable of 3L min-1 flow rates. They are arranged as shown below.
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