The RASI700 BIO Portable Gas Analyzer (2016, Eurotron Instruments) was powered on and initialized for 60 seconds, then stabilized for five minutes. A rubber tube was connected to the gas sample point, and the analyzer was linked to a computer via USB. Gas flow was initiated, and the sensor amplified the signal, displaying the readings. Data was saved, transferred to the computer, and printed as a PDF. The system was then turned off, the gas bag valve closed, and the analyzer purged with nitrogen before shutdown.
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