Model: 520 (2.0 to 16.0 L/min), Thread Type: N (NPT), Port Size: 04 (1/2), I/O Specifications: A2 (IN1: 4-20mA, IN2: External Control Input, OUT1: 4-20mA), Lead Wire: N (None), Bracket: N (None), Operation Manual: Y (None)

Model: 520 (2.0 to 16.0 L/min), Thread Type: N (NPT), Port Size: 04 (1/2), I/O Specifications: A2 (IN1: 4-20mA, IN2: External Control Input, OUT1: 4-20mA), Lead Wire: N (None), Bracket: N (None), Operation Manual: Z (with Operation Manual)

Stations: 03 (3 Stations), Piping: D (U Side: Closed; D Side: Open), Thread Type: N (NPT), Supply Unit Components: W (w/Flow Adj. Valve; w/Stop Valve), Return Unit Flow Switch: 7 (Integrated Display), Return Unit Flow Range: 04 (0.5 to 4 L/min), Return Unit Components: P (w/o Flow Adj.

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: L2T [Out 1: IO-Link/Switch Output (N/P); Out 2: Flow Rate/Temp.: Switch Output (N/P); Temperature Sensor: Yes]

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: L2 [Out 1: IO-Link/Switch Output (N/P); Out 2: Flow Rate/Temp.: Switch Output (N/P); Temperature Sensor: None]

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: L2T [Out 1: IO-Link/Switch Output (N/P); Out 2: Flow Rate/Temp.: Switch Output (N/P); Temperature Sensor: Yes]

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: L2 [Out 1: IO-Link/Switch Output (N/P); Out 2: Flow Rate/Temp.: Switch Output (N/P); Temperature Sensor: None]

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: L2T [Out 1: IO-Link/Switch Output (N/P); Out 2: Flow Rate/Temp.: Switch Output (N/P); Temperature Sensor: Yes]

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: L2 [Out 1: IO-Link/Switch Output (N/P); Out 2: Flow Rate/Temp.: Switch Output (N/P); Temperature Sensor: None]

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: L2T [Out 1: IO-Link/Switch Output (N/P); Out 2: Flow Rate/Temp.: Switch Output (N/P); Temperature Sensor: Yes]

Stations: 03 (3 Stations), Piping: D (U Side: Closed; D Side: Open), Thread Type: N (NPT), Supply Unit Components: W (w/Flow Adj. Valve; w/Stop Valve), Return Unit Flow Switch: 7 (Integrated Display), Return Unit Flow Range: 04 (0.5 to 4 L/min), Return Unit Components: P (w/o Flow Adj.

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: L2T [Out 1: IO-Link/Switch Output (N/P); Out 2: Flow Rate/Temp.: Switch Output (N/P); Temperature Sensor: Yes], Lead Wire: Q (w/M12 -M8 Conversion Lead Wire, 0.1 m), Return Unit Flow Switch Unit Specifications: M (Integrated Display: L/min; Accumulated Flow: L; Temp.: °C; Integrated Display

Stations: 04 (4 Stations), Piping: B (U Side: Open; D Side: Open), Thread Type: N (NPT), Supply Unit Components: W (w/Flow Adj. Valve; w/Stop Valve), Return Unit Flow Switch: 7 (Integrated Display), Return Unit Flow Range: 40 (5 to 40 L/min), Return Unit Components: P (w/o Flow Adj.

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: LT [Out 1: IO-Link/Switch Output (N/P); Out 2: Flow Rate: None; Temp.: None; Temperature Sensor: Yes], Lead Wire: N (w/o Lead Wire and M8 Connector), Return Unit Flow Switch Unit Specifications: M (Integrated Display: L/min; Accumulated Flow: L; Temp.: °C; Integrated Display IO-Link: L

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: L2T [Out 1: IO-Link/Switch Output (N/P); Out 2: Flow Rate/Temp.: Switch Output (N/P); Temperature Sensor: Yes], Lead Wire: w/Lead Wire and M8 Connector, 3 m, Return Unit Flow Switch Unit Specifications: M (Integrated Display: L/min; Accumulated Flow: L; Temp.: °C; Integrated Display IO-Link

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: LT [Out 1: IO-Link/Switch Output (N/P); Out 2: Flow Rate: None; Temp.: None; Temperature Sensor: Yes], Lead Wire: N (w/o Lead Wire and M8 Connector), Return Unit Flow Switch Unit Specifications: M (Integrated Display: L/min; Accumulated Flow: L; Temp.: °C; Integrated Display IO-Link: L

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: L2T [Out 1: IO-Link/Switch Output (N/P); Out 2: Flow Rate/Temp.: Switch Output (N/P); Temperature Sensor: Yes], Lead Wire: w/Lead Wire and M8 Connector, 3 m, Return Unit Flow Switch Unit Specifications: M (Integrated Display: L/min; Accumulated Flow: L; Temp.: °C; Integrated Display IO-Link

Valve; Stop Valve: None), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: L2T [Out 1: IO-Link/Switch Output (N/P); Out 2: Flow Rate/Temp.: Switch Output (N/P); Temperature Sensor: Yes], Lead Wire: w/Lead Wire and M8 Connector, 3 m, Return Unit Flow Switch Unit Specifications: M (Integrated Display: L/min; Accumulated Flow: L; Temp.: °C; Integrated Display

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: L2T [Out 1: IO-Link/Switch Output (N/P); Out 2: Flow Rate/Temp.: Switch Output (N/P); Temperature Sensor: Yes], Lead Wire: w/Lead Wire and M8 Connector, 3 m, Return Unit Flow Switch Unit Specifications: M (Integrated Display: L/min; Accumulated Flow: L; Temp.: °C; Integrated Display IO-Link

Valve: None; Stop Valve: None, Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: L2T [Out 1: IO-Link/Switch Output (N/P); Out 2: Flow Rate/Temp.: Switch Output (N/P); Temperature Sensor: Yes], Lead Wire: w/Lead Wire and M8 Connector, 3 m, Return Unit Flow Switch Unit Specifications: M (Integrated Display: L/min; Accumulated Flow: L; Temp.: °C; Integrated Display