The company atg Luther & Maelzer GmbH produces top-quality, high-precision PCB test devices. Their machines follow a durable, high-end design concept. The prominent white stripe forms the central design element. It creates the background for the main control elements arranged in a concise layout. A narrow orange or turquoise stripe represents a color-code for one of the two original companies, atg or Luther & Maelzer. Different machine bodies – an encased monolith and additional structures - emphasize two different machine functions within the product family.