Số hiệu tiêu chuẩn
EN 457
Tên tiêu chuẩn
Safety of machinery; auditory danger signals; general requirements, design and testing (ISO 7731:1986, modified)
Ngày phát hành
1992-02-00
Tiêu chuẩn tương đương
DIN EN 457 (1992-04), IDT * NBN EN 457 (1992), IDT * BS EN 457 (1992-05-01), IDT * NF X35-108 (1992-08-01), IDT * ISO 7731 (1986-12), MOD * UNI EN 457 (1992), IDT * SN EN 457 (1993), IDT * OENORM EN 457 (1992-07-01), IDT * OENORM EN 457 (1991-04-01), IDT * SS-EN 457 (1992-10-30), IDT * UNE-EN 457 (1993-04-23), IDT * TS EN 457 (1995-10-31), IDT * ELOT EN 457 (1992), IDT * NS-EN 457 (1992), IDT * STN EN 457 (1997-09-01), IDT * CSN EN 457 (1994-12-01), IDT * DS/EN 457 (1992-10-01), IDT * NEN-EN 457:1993 en (1993-06-01), IDT * SFS-EN 457 (1994-06-23), IDT
Từ khóa
Acoustic signals * Acoustics * Alarm signals * Audibility * Auditory threshold * Danger signals * Definitions * Design * Duration * Ear protectors * Emergency signals * Ergonomics * Frequencies * Insulations * Listening tests * Machines * Measurement * Occupational safety * Safety * Safety devices * Safety engineering * Safety of machinery * Safety requirements * Signal transmission * Signals * Sound * Sound insulation * Sound pressure * Sound pressure level * Sound sources * Specification (approval) * Terms * Testing * Tests * Time history * Presentations * Engines