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: C (Lead Wire with M12 connector, 3m, Bracket: R (with Bracket), Operation Manual: Z (with Operation Manual)

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)

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: C (Lead Wire with M12 connector, 3m, Bracket: R (with Bracket), Operation Manual: Y (None)

Valve: None; Stop Valve: None, Return Unit Flow Switch: 7 (Integrated Display), Return Unit Flow Range: 04 (0.5 to 4 L/min), Return Unit Components: 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: B (Out 1: PNP; Out 2: Flow Rate: PNP; Temp.: None; Temperature Sensor: None), 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: L/min; Accumulated Flow: L;

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: E (Out 1: PNP; Out 2: Flow Rate: Analog 1 to 5 V; Temp.: None; Temperature Sensor: None)

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: ET (Out 1: PNP; Out 2: Flow Rate: Analog 1 to 5 V ⇔ Analog 1 to 5 V; Temperature Sensor: Yes), Lead Wire: w/Lead Wire and M8 Connector, 3 m, Return Unit Flow Switch Unit Specifications: J (Integrated Display: L/min; Accumulated Flow: L; Temp.: °F)

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: A (Out 1: NPN; Out 2: Flow Rate: NPN; Temp.: None; Temperature Sensor: None), Lead Wire: w/Lead Wire and M8 Connector, 3 m, Return Unit Flow Switch Unit Specifications: G (Remote Sensor: L/min/gal/min; °C; Integrated Display: gal/min; Accumulated Flow: gal; Temp.: °C)

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: B (Out 1: PNP; Out 2: Flow Rate: PNP; Temp.: None; Temperature Sensor: None), 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/min; Accumulated Flow: L

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: 2T (Out 1: Analog 4 to 20 mA; Out 2: Flow Rate: None; Temp.: Analog 4 to 20 mA; Temperature Sensor: Yes)

Stations: 04 (4 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: 5 (Remote Sensor Unit), Return Unit Flow Range: 20 (2 to 16 L/min), Return Unit Components: W (w/Flow Adj.

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: 2T (Out 1: Analog 4 to 20 mA; Out 2: Flow Rate: None; Temp.: Analog 4 to 20 mA; Temperature Sensor: Yes)

Valve; Stop Valve: None), Return Unit Flow Switch: 7 (Integrated Display), Return Unit Flow Range: 04 (0.5 to 4 L/min), Return Unit Components: 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: W (w/Flow Adj.

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: FT (Out 1: PNP; Out 2: Flow Rate: Analog 4 to 20 mA ⇔ Analog 4 to 20 mA; 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: L/min

Valve; w/Stop Valve), Supply/Return Port Size: 04 (1/2), Return Unit Flow Switch Output Specifications: ET (Out 1: PNP; Out 2: Flow Rate: Analog 1 to 5 V ⇔ Analog 1 to 5 V; 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/min;

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), 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.