Aera^® FC-D980 series digital MFCs (mass flow controllers) and MFMs (mass flow meters) deliver performance excellence and operational versatility, resulting in significant cost savings and ease of use. Multiple output options enable analog or digital control, for use with most existing control and communication configurations. To suit your priorities for value and functionality, this product line features both single-gas and multi-gas, multi-range MFCs. Multi-gas, multi-range features lower costs by dramatically reducing spare inventory requirements. For comprehensive monitoring and control capabilities, RS-485 communications (RS-232 with converter), combined with a full range of diagnostic and alarm functions, put operational parameters at your fingertips.