DFM Series Digital Mass Flow Meters

Design Features

• multi-drop Capability of up to 256 units (for RS-485 option)
• stores calibration data for up to 10 different gases
• supports 10 different engineering units including user defined
• programmable 12 digits totalizer indicates total gas volume
• flow alarm limits for high and low gas flow with relay output
• pressure alarm limits for high and low gas pressure with relay output
• temperature alarm limits for high and low gas temperature with relay output
• four button keypad and large 128×64 graphical LCD with back light
• digital (RS-232 or RS-485) and analog outputs operate simultaneously
• internal conversion factors for up to 32 gases
• automatic zero adjustment
• self diagnostic tests