- Author
- Fire Safety Engineering
- Title
- Gas Extinguishing Alarms: Commencing Countdown.
- Journal
- Fire Safety Engineering, Vol. 15, No. 1, 20-20, February 2008
- Keywords
- fire alarm systems | extinguishing | standards | occupants | gas detectors
- Identifiers
- alarm sequence for total flood extinguishing systems; European and international standards; programmable sounders were interfaced with the extinguishing panel; single detector has operated, and that action is required; two or more detectors have operated and is known as 'coincidence' alarm; different frequency of pulse; with a constant tone, confirms that the gas has been discharged