... is No. of beams channalOptical axis pitch20mm, 40mm,80mmSource of lightInfrared,940nm Light immunity10000Lux(angle of incidence≥5°)Electric ... Z controller:Relay 1,2 indicator,passing light indicator,intercepting light indicator, power indicator,self-examing indicator. ... strengthAC1500V,60sAmbient /physical characteristicsAmbient temperature-10°C~50°CAmbient humidity20°C,RH≤85%vibrationsIEC/EN 61496-1: ...