FLOW METER; FLOW RANGE: 3 – 300 CM / S; TEMPERATURE RANGE (° C): -25 TO 80 ° C; MAXIMUM WORKING PRESSURE: 300 BAR; POWER SUPPLY VOLTAGE [V] 19 … 36 DC; OUTPUT CURRENT [MA] 250; PROTECTION AGAINST SHORT CIRCUITS YES; YES; PROTECTION AGAINST CHANGES OF; POLARITY; RESISTANT TO OVERLOADS YES; VOLTAGE FALL [V] <2.5; CONSUMPTION [MA] <70; THE OUTPUT IS ACTIVATED WHEN FLOW IS FLOWED (WITH THE OUTPUT FUNCTION = NORMALLY; OPEN); THE OUTPUT IS DEACTIVATED WHEN FLOW IS FLOWED (WITH THE OUTPUT FUNCTION =; NORMALLY CLOSED); SWITCHING FUNCTION; FLOW CONTROL; INDICATION OF FUNCTION LED BAR; ADJUSTING THE SWITCHING POINT WITH BUTTONS PUSH BUTTONS; THE ORANGE LEDS FLASH IN CASE OF THREAD BREAK; INDICATION OF THE STATE OF; LED CONMUTATION; DELAY TO AVAILABILITY [S] 10; AMBIENT TEMPERATURE [° C] -20 … 60; GRADE / PROTECTION CLASS IP 67 *), III; RESISTANCE TO SHOCKS DIN IEC 68-2-27: 30 G (6 MS); RESISTANCE TO VIBRATIONS DIN IEC 68-2-6: 5 G (55 … 2000 HZ); EN 61000-4-2 ESD: 4 KV CD / 8 KV AD; EN 61000-4-3 RADIATED HF: 10 V / M; EN 61000-4-4 BURST: 2 KV; EN 61000-4-6 GUIDED HF: 10 V; CEM; INOX 1.4404 (316L); INOX 1.4301 (304); PC (MAKROLON); PBT-GF 20; EPDM / X; (SANTOPRENE); CUZNPB2; MATERIALS OF THE CASE; CONNECTED CONNECTOR M12; WEIGHT [KG] 0.21; MARK 1: IFM EFECTOR; N-PART 1: SR5900; MODEL 1