TOTALFLOW 6610/6620/6630 Flow Measurement System Manual

This manual provides installation, operation, and maintenance instructions for the TOTALFLOW 6610 Flow Computer Unit, 6620 Portable Calibration Collection Unit, and 6630 Mobile Collection Unit, designed for precise natural gas flow measurement using microprocessor technology. It includes safety specifications for contact output terminals, such as maximum current (0.225 amps), voltage (24V to ground), and limits on capacitance (0.54 µF) and inductance (1.17 mH).