Annex B
(Informative)
Procedure for gas analytical system control under operating conditions
B.1
Perform an internal adjustment check of the gas analytical system that may include checking the gas flow rate, the temperature of the heated gas-mains at intervals specified by the responsible legal authority or recommended in the manufacturer’s operating manual.
B.2
Determine the error of the gas analytical system and internal adjustment with one CGM at intervals specified by the responsible legal authority or recommended in the manufacturer’s operating manual.
B.3
Perform a leak check of the gas handling system at least once a day. Repair any leakage/leak and perform a successful leak check before measurement.
B.4
Perform a leak check after each disassembly of the gas handling system (e.g. a sampling device or filter element replacement). Repair any leakage/leak and perform a successful leak check before measurement.