Unit specifications Note 1) Fixed unit: Instantaneous flow rate: L/min Accumulated flow: L Note 2) Since the unit for Japan is fixed to SI due to new measurement law, this option is for overseas. Fixed SI unit Note 1) With unit switching function Note 2) M Nil Calibration certificate None With calibration certificate Nil A . The certificate is written in English and Japanese. Other languages are available as specials. Operation manual With operation manual (Japanese and English) None Nil N Note 3) User can select from accumulated value external reset, auto-shift and auto-shift zero. Output specifications A B C D E F G H 2 NPN outputs 2 PNP outputs 1 NPN output + Analog (1 to 5 V) 1 NPN output + Analog (4 to 20 mA) 1 PNP output + Analog (1 to 5 V) 1 PNP output + Analog (4 to 20 mA) 1 NPN output + External input Note 3) 1 PNP output + External input Note 3) Option 1 (Refer to page 98.) Option 2 (Refer to page 98.) Made to Order (Refer to page 101.) Compatible with argon (Ar) and carbon dioxide (CO2) mixed gas X731 How to Order Series PFM7 PFM7 10 C4 A M 1 2 S IN 1 2 S IN 1 1 2 S IN 1 2 S IN 1 1 2 S IN 1 2 S IN 1 2 S IN 1 1 2 S IN 1 Piping Variations Port size Symbol Description Flow rate range 10 �� �� �� �� �� 25 �� �� �� �� �� �� 50 �� �� �� �� �� �� 11 �� �� �� �� �� �� 01 02 N01 N02 F01 F02 C4 C6 C8 N7 Rc1/8 Rc1/4 NPT1/8 NPT1/4 G1/8 G1/4 o4 (5/32") One-touch fitting o6 One-touch fitting o8 (5/16") One-touch fitting o1/4" One-touch fitting Compatible with Argon (Ar), Carbon Dioxide (CO2) and the Mixed Gas (Ar + CO2) Digital Flow Switch . ( ): Fluid: CO2 . When using argon (Ar), carbon dioxide (CO2) and the mixed gas (Ar + CO2), refer to page 101. RoHS Flow adjustment valve Nil S None Yes Piping entry direction Nil L Straight Bottom . Different combinations of piping entry directions for IN and OUT side are available as made-to-order. With One-touch fittings (C4, C6, C8, N7) Female thread (01, 02, N01, N02, F01, F02) Straight (Nil) Without flow adjustment valve (Nil) With flow adjustment valve (S) Bottom (L) Straight (Nil) Bottom (L) 7 Integrated display 0.2 to 10 (5) L/min 0.5 to 25 (12.5) L/min 1 to 50 (25) L/min 2 to 100 (50) L/min 10 25 50 11 Rated flow range (Flow rate range) Type 97