Light curtain controllers send stop signals to machines that are guarded by light curtains, photoelectric transmitters that project an array of synchronized, parallel infrared light beams to a receiver

Vacuum viewports and access doors are components for viewing, accessing or transferring samples or process devices in a vacuum chamber or system

Distributed control systems (DCS) use decentralized elements or subsystems to control distributed processes or complete manufacturing systems

Human machine interfaces (HMI) are operator interface terminals with which users interact in order to control other devices

Data storage systems are used to store, protect and manage computer data.

Environmental test chambers and rooms are used to ensure the reliability of industrial products, especially electronic items, through prolonged exposure to one or more environmental parameters.

Digital video recorders record and store video camera output in digital form on disk.