retroreflective sensor vl18-54-m-las/40a/118/128 m18 threaded housing made of brass, nickel plated visible red light, pulsed laser light array control panel with highly visible led display flashing power on led in case of short-circuit multiple device installation possible, no mutual interference (no cross-talk) not sensitive to ambient light, even with switched energy saving lamps protection class ii general specifications effective detection range 0 ... 18 m threshold detection range 20 m light source laser diode light type modulated visible red light polarization filter yes laser nominal ratings laser class 1 wave length 655 nm diameter of the light spot 150 mm x 100 mm at a distance of 12 m angle of divergence 1 ° functional safety related parameters mttfd 700 a mission time (tm) 20 a diagnostic coverage (dc) 0 % indicators/operating means function indicator led yellow, light with free light beam , flashes when falling short of the stability control , off when light beam is interrupted control elements sensitivity adjuster, light/dark switch electrical specifications operating voltage 10 ... 30 v dc , class 2 output switching type light/dark on, switchable signal output push-pull (4 in 1) output short-circuit protected overvoltage protected compliance with standards and directives directive conformity emc directive 2004/108/ec standard conformity product standard en 60947-5-2:2007 iec 60947-5-2:2007 laser class iec 60825-1:2007 complies with 21 cfr 1040.10 and 1040.11 except for deviations pursuant to laser notice no. 50, dated june 24, 2007 mechanical specifications degree of protection ip67 connection 4-pin, m12 x 1 connector material housing brass, nickel-plated optical face pmma