Seltek Ltd. manufactures measurement and control systems for flat products industries. Industries served include paper mills, metal rolling mills, panelboard plants, cast film lines, PVC / PET calenders, lamination / converting lines. Radioactive source and x-ray source based sensors are used for measurement of weight, thickness and ash content. Moisture is measured by Infrared and Microwave technologies. Profile control actuators are also within scope of supply of the company.