Global-tech [india] offers a wide range of optical [photo] electronic sensors manufactured by leuze electronic gmbh, germany. This range includes all types of optical electronic sensors, viz, through-beam [transmitter - receiver], retro-reflective [with reflector], diffuse, and fibre-optic. The operating range varies from 200 mm up to 100 m. A wide variety of outputs like pnp, npn, solid-state, e/m relay, etc, are available in these sensors. The connection options are available as cable, m12 connector, clamps, etc. These sensors are available in metal as well as plastic housing. The typical application areas of these sensors are bottling plants, packaging industries, material handling industries, and machine tools.