Contrinex Inductive & Photoelectric Sensors Molex Contrinex Inductive and Photoelectric Sensors are ideal, robust, and self-contained sensors with an integrated IO-link. These sensors feature a compact housing and a large sensing range that are ideal for limited space applications and challenging environments. The inductive and photoelectric sensors are widely used in packaging machines, food and beverage production lines, filling plant, textile applications, machine tools, and logistics.