GB/T 12800-1991 (English Version) PDF

Standard No.: GB/T 12800-1991
Language: Chinese, Available in English version
Release Date: 1991
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 12800-1991

Scope: This standard specifies the principles and two parameters for the use of emergency evacuation auditory signals: the instantaneous diagram and the sound level at all points within the predetermined signal receiving area. This standard is applicable to remind people in the signal receiving area to pay attention to emergency situations (such as leakage of flammable or toxic gases, explosion, nuclear radiation, earthquake and house collapse, etc.), and warn people to evacuate buildings or workplaces immediately. occasion use. Under certain circumstances, this instantaneous diagram is also suitable for visual or tactile signals indicating immediate evacuation. This standard also applies to schools, hotels, residential areas, public institutions and workplaces (such as factories, mines and offices, etc.) with people day or night. This standard does not apply to warning signals, composing special signal systems, outdoor vehicles, ship alarm systems and places involved in national regulations.

GB/T 12800-1991 history