... Auto self-checking function. 1. Fit for kinds of Machinery Fields*Comprise of emitter(transmitter), receiver, controller, connection cables ... 2000mmDetecting height80-2840mmOptical axis pitch20mm 30mm for hands, 40mm for arms, 80mm for bodyPower supplyAC110/220V,24 V ± ... 0.05mm;Number of sweeps,20 for each axis,for 3 axesDielectric strengthAC1500V, 60sInsulation resistance>100MΩ High Sensitivity Photo- ...