Air
Velocity Switch
300
T Solid-State Airflow Switch
The Series 300 Airflow Switch is a line of solid-state highly reliable electronic switches, designed to monitor airflow in critical environments such as cleanrooms, semiconductor fabrication facilities, and operating rooms as well as in traditional electronic enclosures to warn of cooling degradation. These compact, easy-to-install units detect loss of airflow below a pre-programmed setpoint, and provide a fast and distinct warning of airflow deterioration.
Designed to replace traditional "sail" or "vane" switches, the Series 300 offers unparalleled resistance to shock and vibration. The Series 300 may be either uni-directional or bi-directional. The uni-directional model discriminates between forward and reversed airflow, indicating a fault if the airflow direction reverses. The bi-directional model accepts airflows from either of two opposing directions.
The output of the Series 300 can be used to drive computer logic or it can activate alarms, relays or other circuits. For normally-open switches, the air velocity above the trip point means that the switch will stay "open".
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