output signal 4 ... 20 mA IWRM 18I9511 dimension 18 mm short circuit protection yes connection types cable, 2 m repeat accuracy < 0,02 mm current consumption max. (no load) 35 mA temperature coefficient 1 µm / (K mm) reverse polarity protection yes load resistance +Vs min. < 500 Ohm reference distance 3,25 ... 3,75 mm linearity error ± 100 µm housing length 31,5 mm operating temperature 0 ... +60 °C measuring distance Sd 2 ... 5 mm output circuit current output load resistance +Vs max. < 1000 Ohm voltage supply range +Vs 15 ... 30 VDC residual output ripple < 0,5 % Vs manufacter SKU IWRM 18I9511 protection class IP 67 mounting type flush type cylindrical threaded housing material brass nickel plated measuring speed < 1 mm / ms