Sample conditioning and signal integration become expensive problems when sampling conditioning systems, extractive analyzers, in-situ analyzers, and OEM gas analyzers are treated as separate work packages and only reunited during commissioning. An analyzer project is easier to accept when the integration team can trace the intended process observation through the sample route or sensing path, into the analyzer, across the control interface, and into the record used by operations. That trace is the handover test. This handover test does not ask whether equipment was delivered. It asks whether the completed arrangement can be explained, checked, and supported by people who did not design it. For manufacturing engineers and system integrators,…