Larger pumps, supply sources, higher feed pressures or increased bottled gas are needed to overcome pressure drop requirements. Alicat’s Whisper–Series digital mass flow meters and controllers provide an alternative. They feature low press drops as low as 3.6 mbar at full scale or at 0.018 mbar when fully turned down—200:1 turndown. And for a universal control element, the MCD-Series bidirectional mass flow and pressure controllers precisely and rapidly control mass flow rate, volumetric flow rate and absolute pressure of gases in two flow directions. It can be used to monitor or control a number of parameter combinations, making it useful in a variety of configurations. Alicat Scientific
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