102 db signal - to - noise ratio a - weighting ; analog inputs 類比輸入102db噪訊比a加權
110 db signal - to - noise ratio a - weighting ; analog outputs 類比輸出110db噪訊比a加權
Standard guide for measurement of outdoor a - weighted sound levels 室外a加權聲級測量
Methods of a - weighted sound pressure level measurement for pumps 泵用加權噪聲壓強的測量方法
Rolling bearings - measuring methods of a - weighted sound pressure levels 滾動軸承. a加權聲壓級的測量方法
Mechanical presses - methods of measurement of a - weighted sound pressure level 機械壓力機. a -加權聲壓級測量方法
Fans , blowers and compressors - determination of a - weighted sound pressure level 風扇鼓風機和壓縮機.加權噪聲壓強的測定
Standard test method for determining a - weighted sound power level of vacuum cleaners 測定真空吸塵器a -加重聲音功率級的標準試驗方法
Acoustics - hearing protectors - part 2 : estimation of effective a - weighted sound pressure levels when hearing protectors are worn 聲學護聽器第2部分:戴護聽器時有效的a計權聲壓級估算
Acoustics - hearing protectors - estimation of effective a - weighted sound pressure levels when hearing protectors are worn 聲學.聽力保護器.第2部分:當佩戴聽力保護器時對有效a -加權聲壓級的估算