Rated Flow Range: 501 (5 to 500 L/min), Thread Type: N (NPT), Port Size: 04 (1/2), Output Specifications: L4 [Out: IO-Link, Switch Output (N/P); Func: Analog Current Output <-> External Input; Monitor Unit Model: PFG310 Series], Option 1: w/Lead Wire and M8 Connector, 3m, Unit Specification: Unit Selection Function, Option 2: No Bracket, Calibration Certificate: A (Yes)

Rated Flow Range: 102 (10 to 1000 L/min), Thread Type: N (NPT), Port Size: 04 (1/2), Output Specifications: L [Out: IO-Link, Switch Output (N/P); Func: None; Monitor Unit Model: None], Option 1: w/Lead Wire and M8 Connector, 3m, Unit Specification: Unit Selection Function, Option 2: No Bracket, Calibration Certificate: A (Yes)

Rated Flow Range: 501 (5 to 500 L/min), Thread Type: N (NPT), Port Size: 04 (1/2), Output Specifications: L4 [Out: IO-Link, Switch Output (N/P); Func: Analog Current Output <-> External Input; Monitor Unit Model: PFG310 Series], Option 1: Q (w/M12 -M8 Conversion Lead Wire, 0.1 m), Unit Specification: Unit Selection Function, Option 2: No Bracket, Calibration Certificate: A (Yes)

Rated Flow Range: 501 (5 to 500 L/min), Thread Type: N (NPT), Port Size: 04 (1/2), Output Specifications: L2 [Out: IO-Link, Switch Output (N/P); Func: Switch Output (N/P); Monitor Unit Model: None], Option 1: w/Lead Wire and M8 Connector, 3m, Unit Specification: Unit Selection Function, Option 2: No Bracket, Calibration Certificate: A (Yes)

Body Size: 3, Set Pressure: 1 (1.5 to 58 psi [0.01 to 0.4 MPa]), Exhaust Direction: 2 (Rear Exhaust), Thread: N (NPT), Port Size: 04 (1/2), Option: None, Semi-standard: RZ (Flow Direction: Right to Left + Name Plate & Pressure Gauge in Imperial Units: psi)

Body Size: 3, Set Pressure: 2 (1.5 to 116 psi [0.01 to 0.8 MPa]), Exhaust Direction: 0 (Bottom Exhaust), Thread: N (NPT), Port Size: 04 (1/2), Option: None, Semi-standard: RZ (Flow Direction: Right to Left + Name Plate & Pressure Gauge in Imperial Units: psi)

Body Size: 3, Set Pressure: 0 (Body Size 1, 2: 0.73 to 29 psi [0.005 to 0.2 MPa]; Body Size 3: 1.5 to 29 psi [0.01 to 0.2 MPa]), Exhaust Direction: 0 (Bottom Exhaust), Thread: N (NPT), Port Size: 04 (1/2), Option: None, Semi-standard: RZ (Flow Direction: Right to Left + Name Plate & Pressure Gauge in Imperial Units: psi)

Body Size: 3, Set Pressure: 2 (1.5 to 116 psi [0.01 to 0.8 MPa]), Exhaust Direction: 0 (Bottom Exhaust), Thread: N (NPT), Port Size: 04 (1/2), Option: None, Semi-standard: RVZ (Flow Direction: Right to Left + Downward + Name Plate & Pressure Gauge in Imperial Units: psi)

SMC's new PFMB dual color digital flow switch allows for a wide range of flow measurement with one product.  The PFMB is suitable for use with air and nitrogen.  It's compact and space saving with an integrated flow adjustment valve. 

2-Color Digital Flow Switch for Air, PFM, DIGITAL FLOW SWITCH, 160.00000 lb

Body Size: 4000, Thread: N (NPT), Port Size: 04 (1/2), Option: None, Voltage: 5 (24 VDC), Lead Wire: DO (Type D, DIN Terminal w/o Connector), Surge Suppressor: None, Manual Override: B (Push-turn Locking Slotted Type), Flow Direction/Pressure Unit: Flow Direction: Left to Right

Body Size: 4000, Thread: N (NPT), Port Size: 04 (1/2), Option: None, Voltage: 5 (24 VDC), Lead Wire: D (Type D, DIN Terminal w/Connector), Surge Suppressor: None, Manual Override: C (Push-turn Locking Lever Type), Flow Direction/Pressure Unit: Flow Direction: Left to Right

Body Size: 4000, Thread: N (NPT), Port Size: 04 (1/2), Option: None, Voltage: 5 (24 VDC), Lead Wire: D (Type D, DIN Terminal w/Connector), Surge Suppressor: Z (with Light/Surge Voltage Suppressor), Manual Override: C (Push-turn Locking Lever Type), Flow Direction/Pressure Unit: Flow Direction: Left to Right

Rated Flow Range: 20 (2 to 16 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 04 (1/2), Output Specification: A (OUT1: NPN; OUT2: NPN), Temperature Sensor: None, Lead Wire: Lead Wire w/M8 Connector, 3m, Unit Specification: M (Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C), Bracket: R (Bracket)

Rated Flow Range: 20 (2 to 16 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 04 (1/2), Output Specification: A (OUT1: NPN; OUT2: NPN), Temperature Sensor: None, Lead Wire: Lead Wire w/M8 Connector, 3m, Unit Specification: G (Instantaneous Flow Rate: Gal/min; Accumulated Flow: Gal; Temp: °C), Bracket: R (Bracket)

Rated Flow Range: 20 (2 to 16 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 04 (1/2), Output Specification: A (OUT1: NPN; OUT2: NPN), Temperature Sensor: None, Lead Wire: Lead Wire w/M8 Connector, 3m, Unit Specification: G (Instantaneous Flow Rate: Gal/min; Accumulated Flow: Gal; Temp: °C)

Rated Flow Range: 40 (5 to 40 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 04 (1/2), Output Specification: A (OUT1: NPN; OUT2: NPN), Temperature Sensor: None, Lead Wire: Lead Wire w/M8 Connector, 3m, Unit Specification: M (Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C), Bracket: R (Bracket)

Rated Flow Range: 40 (5 to 40 L/min), Flow Adjustment Valve: S (Flow Adjustment Valve), Thread: N (NPT), Port Size: 04 (1/2), Output Specification: A (OUT1: NPN; OUT2: NPN), Temperature Sensor: None, Lead Wire: Lead Wire w/M8 Connector, 3m, Unit Specification: M (Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C)

Rated Flow Range: 40 (5 to 40 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 04 (1/2), Output Specification: A (OUT1: NPN; OUT2: NPN), Temperature Sensor: None, Lead Wire: Lead Wire w/M8 Connector, 3m, Unit Specification: G (Instantaneous Flow Rate: Gal/min; Accumulated Flow: Gal; Temp: °C)

Rated Flow Range: 20 (2 to 16 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 04 (1/2), Output Specification: A (OUT1: NPN; OUT2: NPN), Temperature Sensor: None, Lead Wire: Lead Wire w/M8 Connector, 3m, Unit Specification: M (Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C)