protection class IP 67 IWFM 20U9501/S35 dimension 20 mm manufacter SKU IWFM 20U9501/S35 residual output ripple < 0,5 % Vs reference distance 3,25 ... 3,75 mm mounting type flush short circuit protection yes voltage supply range +Vs 15 ... 30 VDC output circuit voltage output measuring distance Sd 2 ... 5 mm measuring speed < 1 mm / ms current consumption max. (no load) 20 mA housing length 35 mm load resistance > 1000 Ohm connection types connector M8 reverse polarity protection yes temperature coefficient 1 µm / (K mm) type rectangular linearity error ± 100 µm operating temperature 0 ... +60 °C output signal 1 ... 9 VDC housing material brass nickel plated repeat accuracy < 0,01 mm