Product Profile 1 2 3 4 5 6 Function setting bottom 1 2 Main display (flow volume / parameters) 3 Gas flow unit 4 First digital on/off signal 5 Second digital on/off signal 6 Up 7 8 9 10 7 Down 14 11 8 Flow direction right 9 Secondary display (setting value / setting function) 10 Flow direction left 11 Power and I / O terminals 12 A side fast connection port 13 13 B side fast connection port 14 RS-485 output terminal protector (optional) Dimensions Gas Flow Meter Unit: mm Bracket (optional) Unit: mm 41