ZCA-1 衛(wei)生紙塵埃度測定(ding)儀 衛生(sheng)紙塵埃(ai)度測定儀(yi)型號:ZCA-1 價格:*,咨詢! 衛(wei)生紙塵埃度測定儀用(yong)途及適用(yong)范圍: 紙(zhi)(zhi)張(zhang)塵(chen)埃(ai)度(du)(du)(du)測(ce)定(ding)(ding)儀(yi)(yi)適用(yong)于紙(zhi)(zhi)或紙(zhi)(zhi)板塵(chen)埃(ai)度(du)(du)(du)的測(ce)定(ding)(ding),是(shi)依據(ju)GB/T1541-1989《紙(zhi)(zhi)與紙(zhi)(zhi)板塵(chen)埃(ai)度(du)(du)(du)的測(ce)定(ding)(ding)法(fa)》設(she)計(ji)制造的。適用(yong)于各種紙(zhi)(zhi)張(zhang)、紙(zhi)(zhi)板表面塵(chen)埃(ai)度(du)(du)(du)的測(ce)定(ding)(ding)儀(yi)(yi)。:\ 技(ji)術參數(shu): 光源:20W日光燈 照射角(jiao):60° 工作臺:有效面(mian)積為(wei)0.0625㎡,可旋轉360° 標(biao)準(zhun)塵埃(ai)圖片:0.05~5.0(㎜2) 操作方法: 1、取(qu)(qu)樣(yang)(yang):切取(qu)(qu)4張以上250mm×250mm試樣(yang)(yang) 2、觀察:將其中一(yi)(yi)張試樣放在可(ke)旋(xuan)轉(zhuan)工(gong)作臺上(shang)。打開(kai)日光(guang)燈,并(bing)在日光(guang)燈下(xia)檢(jian)查(cha)試樣面上(shang)肉眼(yan)(yan)可(ke)見塵(chen)埃(ai)(ai)。觀察時(shi)眼(yan)(yan)睛的視距保持為250~300mm,用不(bu)同(tong)(tong)的標記圈出不(bu)同(tong)(tong)面積(ji)的塵(chen)埃(ai)(ai);也可(ke)采用按不(bu)同(tong)(tong)面積(ji)的大(da)小,分別記錄同(tong)(tong)一(yi)(yi)面積(ji)的塵(chen)埃(ai)(ai)個數。 3、比對:將工(gong)作(zuo)臺旋(xuan)轉(zhuan)90°,每旋(xuan)轉(zhuan)一次后,用(yong)標(biao)準塵埃度(du)圖片鑒(jian)定試樣上塵埃度(du)面(mian)積(ji)的(de)大(da)小,也(ye)可(ke)采用(yong)按不(bu)同(tong)面(mian)積(ji)后把新發現的(de)塵埃度(du)加以(yi)標(biao)記,直到返(fan)回(hui)到初的(de)位置。 國家(jia)標準:GB/T1541 更多信(xin)息(xi)歡迎登錄(lu) reserverr.com ,或! |