Leuze Eectronic Ltd. Manufactures Optical Distance Measurement Sensors. Leuze Eectronic Ltd. Is an ISO 9001 certified company. Leuze Eectronic Ltd. Also offers products like active optoelectronic protective devices, analysis devices and signal devices.Optical Distance Measurement Sensors are devices that can invert analog voltages upto 10 Volts. The Optical Distance Measurement Sensors have easy alignment through visible red light. The Optical Distance Measurement Sensors have a PNP transistor fit at the output and have teachable switching output.