
Siemens
Siemens FDA221 Air Sampling (ASD) System 500m²
Product Code: FDA221
FDA221 is an air sampling (ASD) smoke detection system protecting areas up to 500 m². It continuously draws air through a pipe network and analyzes it in dual wavelength blue and infrared; it alerts at smoke levels not yet visible to the naked eye. It is designed for operationally critical volumes such as server rooms, clean rooms, and archives where even one minute of delay results in severe loss.
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- Securiton ASD 535-1 — ASD 535-1 High-Sensitivity Air Sampling Smoke Detector
- Securiton ASD 535-2 — ASD 535-2 High-Sensitivity Air Sampling Smoke Detector
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- Securiton ASD 535-4 — ASD 535-4 High-Sensitivity Air Sampling Smoke Detector

