Can I really measure and control the low airflow rates associated with most outside air intakes?
Yes. Unlike velocity pressure-based devices or vortex shedding probes, Thermal Dispersion (TD) technology has its greatest sensitivity at low air velocities. All TD airflow-measuring stations are calibrated from still air and are well suited for measurement of airflows associated with outside air intakes (often 100 FPM or less). Microprocessor-based digital transmitters have built in dampening algorithms to filter transient wind effects that assure reliable control of minimum outdoor air.
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