Ratings and SpecificationsThe response frequency is an average value.Measurement conditions are as follows: standard sensing object, a distance of twice the standard sensing object, and a set distance of half the sensing distance.DC 2-Wire Models DC 3-Wire ModelsItem Model E2EC-CR8D@ E2EC-C1R5D@ E2EC-C3D@ E2EC-X4D@ E2EC-CR5C1 E2EC-C2R5C1Sensing distance 0.8 mm .15% 1.5 mm .10% 3 mm .10% 4 mm .10% 0.5 mm .15% 2.5 mm .10%Set distance 0 to 0.56 mm 0 to 1.05 mm 0 to 2.1 mm 0 to 2.8 mm 0 to 0.3 mm 0 to 1.7 mmDifferential travel 10% max. of sensing distanceDetectable object Ferrous metal (The sensing distance decreases with non-ferrous metal. Refer to Engineering Data on page 3.)Standard sensingobject Iron, 5 . 5 . 1 mm Iron, 8 . 8 . 1 mm Iron,12 . 12 . 1 mm Iron, 5 . 5 . 1 mm Iron, 8 . 8 . 1 mmResponse frequency* 1.5 kHz 1 kHzPower supply voltage(operating voltagerange)12 to 24 VDC (10 to 30 VDC), ripple (p-p): 10% max. 5 to 24 VDC (4.75 to 30 VDC),ripple (p-p): 10% max.Currentconsumption ---