1 2 S IN 1 2 S IN Series PFM7 Compatible with Argon (Ar), Carbon Dioxide (CO2) and the Mixed Gas (Ar + CO2) Digital Flow Switch DIN Rail Mounting Bracket (Order Separately) . DIN rail (supplied by customers) . Port size F02: G1/4 cannot be mounted on the DIN rail. Option 2 ZS-33-M ZS-33-MS ZS-33-J Nil None V Panel mount adapter (For with flow adjustment valve) R Bracket (For without flow adjustment valve) S Bracket (For with flow adjustment valve) Piping direction: Cannot be mounted with bottom piping type. T Panel mount adapter (For without flow adjustment valve) ZS-33-JS Mounting bracket Panel mount adapter B Panel mount adapter A Panel Panel mount adapter A Panel Panel mount adapter B Mounting bracket Mounting screw (accessory) Mounting screw (accessory) Each option is not assembled with the product, but shipped together. Option 1 Nil With lead wire with connector (2 m) Z Without lead wire with connector ZS-33-D Lead wire length 2 m W With lead wire with connector (2 m) + Rubber cover for connector (silicon rubber) ZS-33-F ZS-33-D Lead wire length 2 m ZS 33 R Stations 1 station 2 stations 3 stations 4 stations 5 stations 1 2 3 4 5 98 Clamp Cylinders Spatter Resistant Cylinders for Arc Welding Flow Control Equipment Fittings Tubing Detection Switches Gas/Air Switching Valve