Normally as stack tester you have to lug around a ton of different gear. It’s constantly up to do a test and back down to the van or truck, setting up one machine after another for every different test that you have to run. But there's easier solution. FTIR stack gas analyzers, and they work like stack testing multi-tools. Most models pack a huge number of tools in their small frames. With one measurement, you can get levels for CO2, N2O, NO, HF, organic compounds like methane, propane, and formaldehyde, and dozens of others. A high quality FTIR stack gas analyzer can measure over fifty different gases simultaneously. They’re also easier to calibrate than traditional instruments. The analyzer itself only requires a daily background measurement with nitrogen. This is followed by the locally required calibrations or span checks, which we don’t go out of our way to explain here, since they vary slightly based on where you are.

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