Hazard  warning  systems
•The   main  goal   is to  detect   dangerous   states   in  a  room  and report   them  to  the  user
•          - Detection  of  Explosive   Gases (methane)
•         
•           -  Early Smoke/Fire Detection
•                      -H2  selective  metal  oxide gas  sensor
•
•          -Detection of Toxic Gases (CO,CO2)