Số hiệu tiêu chuẩn
prEN 54-24
Tên tiêu chuẩn
Fire detection and fire alarm systems - Components of voice alarm systems - Part 24: Loudspeakers
Ngày phát hành
2005-12-00
Tiêu chuẩn tương đương
DIN EN 54-24 (2005-12), IDT * 05/30117307 DC (2005-12-05), IDT * S61-025PR, IDT * OENORM EN 54-24 (2006-02-01), IDT
Từ khóa
Acoustic testing * Acoustics * Audibility * Buildings * Climatic loading * Corrosion * Definitions * Design * Exterior areas * Fire alarms * Fire safety in buildings * Firefighting * Frequency ranges * Interior areas * Languages * Loudspeakers * Materials * Mechanical effects (human body) * Sound pressure level * Specification (approval) * Testing * Testing requirements * Utility equipment