Can DR-123A exhaust gas quality control instrument directly monitor flue gas?

the p>DR-123A waste gas quality control instrument is composed of a field-end quality control host, a standard gas, a remote quality control supervision platform and other parts. the remote quality control supervision platform sends instructions to the field-end quality control host, and the field-end quality control host controls the standard concentration gas to be transported to the field flue gas online monitoring equipment for verification and data supervision.