Ultra Fast Multi-Spectrum QuadSense Flame Detector. The SharpEye 40/40D-I Multi-Spectrum QuadSense Flame Detector is part of the leading, next generation SharpEye 40/40 series.
The Thermotech 302 Series rate-anticipation heat detec- tors operate within a controlled range of two to three de- grees of their set points, regardless of the speed or rate of temperature rise.