Temperature(T):0-600℃
Oxygen (O2) :0-25％
Carbon monoxide (CO): 0-4000ppm
Carbon dioxide (CO2) : 0-20％ （Calculated）
excess air and losses(α):1-20（Calculated）

measured：Flue Temperature（T)，Oxygen (O2)， Carbon monoxide (CO)
          Nitric oxide ，(NO)Nitrogen dioxide (NO2)，Sulphur dioxide (SO2)
calculated:Micro-pressure (⊿P),Nitrogen oxide(NOx)
           Carbon dioxide (CO2) ,excess air and losses(α)