The MFC-4 mass flow control electronics unit can control up to four separate mass flow control valves or mass flow meters simultaneously. It can operate as a stand-alone gas mixer on two to four valves, in addition to operating as a normal mass flow control electronics unit. It is fully computer-controllable.

Accurate flow control is vital in applications such as respirometry, process control or gas mixing. Conventional flow meters and control valves are temperature- and pressure-dependent, making them unsuitable for critical work. In contrast, temperature and pressure do not affect mass flow controller valves, which deliver a closely-regulated output continuously corrected to STP.

The MFC-4 mass flow control electronics unit provides the precise supply and control voltages required to power and control industry-standard mass flow control valves and mass flow meters. It can use practically any mass flow control valves (Brooks, Matheson, Unit, Sierra, Tylan, Sensirion etc.).

The MFC-4 generates all of the required voltages from unregulated 9-18 VDC. It is outstandingly accurate and will not contribute significant error to any mass flow control system. All of the instrument's functions are accessed via high quality rotary encoders. We have paid particular attention to making their operation as intuitive and flexible as possible. The MFC-4 is extremely easy to operate. All adjustments and settings are permanently retained in the absence of power.

The four line alphanumeric display shows the set and read values for all attached mass flow control valves or meters simultaneously. In gas mixing mode, the contributing percentages by each valve and the total flow rate are displayed. Four analog outputs allow the flow rates of attached mass flow controllers and mass flow meters to be read by data acquisition systems. A serial output allows setpoints and readings to be logged, and can also be used to control the unit.

The MFC-4 mass flow control electronics unit has many uses in any laboratory or R&D environment in which rigorous control of gas flow rates, and accurate gas mixing, is required.
 

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