Số hiệu tiêu chuẩn
EN 23742
Tên tiêu chuẩn
Acoustics; determination of sound power levels of noise sources; precision method for discrete-frequency and narrow-band sources in reverberation rooms (identical with ISO 3742:1988)
Ngày phát hành
1991-10-00
Tiêu chuẩn tương đương
DIN EN 23742 (1991-11), IDT * NBN EN 23742 (1992), IDT * BS 4196-2 (1991-03-29), IDT * EN 23742 (1992), IDT * EN 23742 (1992), IDT * NF S31-023 (1992-02-01), IDT * ISO 3742 (1988-12), IDT * UNI EN 23742 (1992), IDT * SN EN 23742 (1992), IDT * OENORM EN 23742 (1992-07-01), IDT * SS-EN 23742 (1992-04-22), IDT * UNE 74032 (1993-06-07), IDT * TS 2709 (1977-04-26), IDT * TS 2709 EN 23742 (1996-03-29), IDT * AMD 6976, IDT * IST L 512 (1991), IDT * NEN-ISO 3742 (1992), IDT * STN EN 23742 (1995-07-01), IDT * NEN-ISO 3742:1992 en (1992-01-01), IDT
Từ khóa
Acoustic measurement * Acoustic testing * Acoustics * Airborne noise emitted * Definitions * Determination * Ear protectors * Frequencies * Hearing ability tests * Information * Loudness levels * Loudspeakers * Machines * Mathematical calculations * Measurement * Measuring instruments * Measuring techniques * Microphones * Noise * Noise (environmental) * Noise measurements * Noise sources * Precision * Reverberation * Reverberation room method * Reverberation rooms * Sound intensity * Sound level * Sound power * Sound sources * Specification (approval) * Standard deviation * Testing * Tests * Volume (sound) * Sound levels * Engines
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EN 23742
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