Patent ID: 7231931

Claim:
A method of configuring a mass flow controller for operation with process operating conditions that differ at least in part from test operating conditions used during production of the mass flow controller, the method comprising acts of: accessing configuration data obtained during calibration of the mass flow controller with a plurality of test operating conditions using a test fluid; adjusting at least one control parameter based on the configuration data to tune the mass flow controller with the plurality of test operating conditions so that a dynamic response of the mass flow controller to each of a plurality of different changes in set point with the plurality of test operating conditions is substantially similar; and modifying the at least one control parameter based on the process operating conditions and the configuration data such that a dynamic response of the mass flow controller to different changes in set point with a plurality of process operating conditions that differ at least in part from the plurality of test operating conditions, does not substantially change from the dynamic response of the mass flow controller operating with the plurality of test operating conditions.