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Air Flow Switches
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The FST1000-Series measures air velocity and provides two SPST contact closures corresponding to high and low alarm set points. The alarm set points adjust from 0 to 100%
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The Air Flow Switch monitors duct air flow and comes with a mounting bracket for easy installation. It is used for fan, filter, and air handler monitoring.
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The Adjustable Air Flow Paddle Switch features a stainless steel vane and a durable design, perfect for detecting air flow in HVAC systems with minimal calibration.
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The Air Flow Indicator & Alarm alerts you to low air flow in radon mitigation systems. It features an 85 dB alarm, bright LED alerts, and is battery-powered for easy installation.
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The Duct Air Flow Switch features a durable die-cast body and stainless steel vane, adjustable for air flow from 400-1600 FPM. Ideal for low air flow alarms in ducts.
Air Flow Switches
Air flow switches detect moving air and provide a switching or alarm output for ducts, fans, filters, air handlers, radon mitigation systems, and ventilation equipment. Products in this category span vane-operated duct switches, adjustable paddle switches, thermal air flow switches, alarm indicators, and switches with high or low alarm set points.
Applications include:
- Fan operation proving
- Low air flow alarms
- Filter and air handler monitoring
- Duct airflow status indication
- Ventilation and mitigation system alerts
Represented products from Dwyer Instruments and Omega Engineering support both simple airflow proving and more configurable alarm or relay output requirements.
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