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該(gai)透(tou)氣度(du)試(shi)(shi)驗(yan)機(ji)是在試(shi)(shi)驗(yan)片(pian)的表側施加定壓(ya)(ya)力的測(ce)試(shi)(shi)氣體,內側就會(hui)(hui)減壓(ya)(ya),這時試(shi)(shi)驗(yan)片(pian)的內外側就會(hui)(hui)出(chu)(chu)現壓(ya)(ya)力差。根據這個壓(ya)(ya)力差,從壓(ya)(ya)力對時間比率的直線變化的斜率,計算出(chu)(chu)透(tou)過率。由(you)于循環(huan)恒溫(wen)水可以大范圍的變化,使此試(shi)(shi)驗(yan)機(ji)成(cheng)為(wei)能夠測(ce)定試(shi)(shi)驗(yan)片(pian)以及溫(wen)度(du)環(huan)境的結構。符(fu)合標準:JIS K ISO ASTM
產品型號:TQD
更新時間:2024-06-25