OGP701,RETRO-REFLECTIVE SENSOR; LIGHT-O
OGS280,THROUGH-BEAM SENSOR; RED LIGHT;
OGS300,PHOTOELECTRIC THROUGH-BEAM SENSO
OGS500,THROUGH-BEAM SENSOR; RED LIGHT;
OGS700,THROUGH-BEAM SENSOR; 60 M; LASER
OGS701,THROUGH-BEAM SENSOR; 2 M; LASER