Flow sensor for compressed air (compressed air meter), Measuring ranges: 4-1,250 l/min; 0.3-99.8 m; 0.25-75m³/h, Process connection: R 1/2 (DN15), PNP/NPN, Digital outputs: 2, Analogue Outputs: 1, Output signal: Switching signal; Analogue signal; Pulse signal, Interface: IO-Link (COM2 38.4 kBaud), Output function: NO/NC contact configurable; Analogue, Pressure resistance: 16 bar, Operating voltage:18-30 V DC, Protection rating: IP65/IP67, M12 connector