The FLIR ThermaCAMŽ E series infrared cameras offer affordable and accurate temperature measurement solutions for predictive maintenance and have long set the standard for thermographic testing and analysis. Today they are the most widely used non-contact temperature measurement thermal devices in the world. Other infrared cameras are available. Thermal optical devices produce images of invisible infrared or heat radiation and provide precise non-contact temperature measurements. Since nearly everything gets hot before it fails, thermal optical devices and non-contact sensors make extremely cost-effective and valuable. Infrared cameras are great diagnostic tools.