Tiêu chuẩn quốc tế

Số hiệu

Standard Number

ASTM E1124-97(2004)
Năm ban hành 2004

Publication date

Tình trạng W - Hết hiệu lực

Status

Tên tiếng Anh

Title in English

Standard Test Method for Field Measurement of Sound Power Level by the Two-Surface Method
Chỉ số phân loại Quốc tế (ICS)

By field

17.140 - âm học và các phép đo âm
17.140.01 - Các phép đo âm học và độ ồn nói chung
Số trang

Page

7
Giá:

Price

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Scope of standard

1.1 This test method covers the field, or in situ measurement of sound power level by the two-surface method. The test method is designed to minimize the effects of reverberant conditions, directivity of the noise source under consideration, and the effects of ambient noise from other nearby equipment operating at the same time.1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.