System Sensor DH500ACDC is an intelligent air duct smoke detector housing designed to detect smoke in HVAC systems and initiate an alarm signal at the fire control panel. It features ionization and photoelectric smoke detection methods, suitable for air velocities ranging from 500 to 4000 feet per minute. The housing accommodates System Sensor's Model 1551 ionization or Model 2551 photoelectronic detector heads (purchased separately). It includes two form-C (SPDT) relay contacts for control purposes and two LEDs for local alarm indication.
System Sensor DH500ACDC is an intelligent air duct smoke detector housing designed to detect smoke in HVAC systems and initiate an alarm signal at the fire control panel. It features ionization and photoelectric smoke detection methods, suitable for air velocities ranging from 500 to 4000 feet per minute. The housing accommodates System Sensor's Model 1551 ionization or Model 2551 photoelectronic detector heads (purchased separately). It includes two form-C (SPDT) relay contacts for control purposes and two LEDs for local alarm indication.
System Sensor DH500ACDC is an intelligent air duct smoke detector housing designed to detect smoke in HVAC systems and initiate an alarm signal at the fire control panel. It features ionization and photoelectric smoke detection methods, suitable for air velocities ranging from 500 to 4000 feet per minute. The housing accommodates System Sensor's Model 1551 ionization or Model 2551 photoelectronic detector heads (purchased separately). It includes two form-C (SPDT) relay contacts for control purposes and two LEDs for local alarm indication.
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