BS 3680-4A:1981被替代
Methods of measurement of liquid flow in open channels. Weirs and flumes. Method using thin-plate weirs
出版：British Standards Institution
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基本信息
標準編號： BS 3680-4A:1981
發布時間：1981/8/31 0:00:00
標準類別：Standard
出版單位：British Standards Institution
標準頁數：34
標準簡介
Specifies the installation, head measurement and assessment of the accuracy of discharge formulae for 2 types of weir - rectangular thin-plate and triangular notch thin-plate weirs. Also covers the assessment of the accuracy of discharge measurement.
標準備注
? British Standards Institution 2013
Amendment notes:
AMD 5438 published 31 July 1987
AMD 10209, November 1998 (not available separately)
替代本標準的新標準
等同采用的國際標準
ISO 1438-1:1980 - Equivalent
