NN5011 - Ifm
Inductive NAMUR dual sensor for valve actuators; Connection to switching amplifiers : yes; Switching amplifiers : connection to certified intrinsically safe circuits with the max. values: U = 15 V / I = 50 mA / P = 120 mW; Nominal voltage DC [V] : 8.2; (1kΩ); Supply voltage DC [V] : 7.5...15; Protection class : III; Electrical design : NAMUR; Output function : 2 x normally closed; Switching frequency DC [Hz] : 1800; Sensing range [mm] : 4; Real sensing range Sr [mm] : 4 ± 10 %; Correction factor : steel: 1 / stainless steel: 0.7 / brass: 0.5 / aluminium: 0.4 / copper: 0.3; Hysteresis [% of Sr] : 1...15; Switch point drift [% of Sr] : -10...10; Ambient temperature [°C] : -20...80; Max. internal capacitance [nF] : 140;  (per intrinsically safe circuit); Max. internal inductance [µH] : 140;  (per intrinsically safe circuit); Housing : rectangular; Mounting : non-flush mountable; Materials : housing: PBT; cover: PC