共找到 150 條與 空載聲功率級(jí) 相關的標準，共 10 頁
Digital Frequency/Function Selection for Airborne Electronic Equipment, 1979 Includes Supplement 1
Digital Frequency/Function Selection for Airborne Electronic Equipment, 1979 Includes Supplement 1
Measurement method of sound power level of machine without load and with load
Digital Frequency/ Function Selection for Airborne Electronic Equipment, 1979 (Includes Supplement 1
Digital Frequency/ Function Selection for Airborne Electronic Equipment, 1979 (Includes Supplement 1)
Static power convertors; duty cycles and rating classes
Blank detail specification: Fixed power resistors (Assessment level S)
Various parameters of this component are precisely defined in this specification. Unspecified parameters may vary from one component to another
Blank Detail Specification - Fixed low power film resistors
Blank detail specification: Fixed low power film resistors (Endorsed by AENOR in July of 2008.)
Blank detail specification: Fixed power resistors (Assessment level H)
A Blank Detail Specification is a supplementary document to the sectional specification
Blank Detail Specification: Fixed low power film resistors
Aircraft－Sold-state remote power controllers－General requirements
Blank detail specification : fixed low power film resistors
Blank Detail Specification: Fixed low power film resistors; German version EN 140101:2008 / Note: DIN EN 140101 (1997-05) remains valid alongside this standard until 2010-11-01.
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Aircraft-Sold-state remote power controllers-General requirements
本標準規定了在混響測試間內測定風機聲功率級的方法。凡符合本標準要求的試驗室可以使用本方法。 本標準適用于空調設備和空調系統所使用的通風機。 本標準不適用于貫流風機、家用電扇及在易燃、易爆、粉塵濃度高的環境中工作的通風機。 本標準僅適用于以空氣為介質符合本標準規定
Reverberant room method for sound power level testing of ventilators
Blank Detail Specification: Fixed low power film resistors
