EGE infrared detectors are used to detect hot objects and to record and measure temperatures. The sensors detect the infrared radiation of warm and hot objects from 20° C to 800 ° C. EGE infrared detectors are designed for use under extreme conditions. With their glass and stainless steel housing they are water-tight according to IP 68 / IP 69. With attachment optics can be used at an ambient temperature up to 500° C. An optional blow-out system makes the sensors insensitive to contamination of the optics. The detectors are, for example, used to detect steel girders or hot rolled wire as well as for the contactless temperature control of brewer’s barley in germination tanks.