As a leading supplier of tailor-made pyroelectric detectors InfraTec has shown extensive expertise in producing a wide range of single and multi-color pyroelectric detectors for gas analysis and flame detection.

With our standard pyroelectric detectors (e.g. single detector LME-551 or quad detector LMM-244) it is possible to detect a flame and its composition in a distance of more than 50 meters, but until now the position of the flame inside the field of view (FOV) was not resolvable. As an upgrade to standard tri-band flame detectors, the new PIA-903 detector with 3 x 3 element array and integrated optics is able to provide additional spatial information about the observed scene for a rough angular location of the flame. Calculating the signal ratio of neighbor channels offers an interpolation of the angular position inside of a 90° conic FOV and in combination of two or more flame sensor units a 3D coordinate of a fire pocket.

Further technical information can be found here:
Application Note PIA-903