縷(lv)紗(sha)(sha)(sha)(sha)(sha)(sha)測長(chang)儀(yi)是(shi)(shi)評價紗(sha)(sha)(sha)(sha)(sha)(sha)線(xian)、纖(xian)維(wei)長(chang)絲(si)等線(xian)密(mi)度技(ji)術指標的(de)儀(yi)器(qi)，廣泛(fan)使用(yong)于紡織企業、檢測機(ji)構(gou)(gou)、質檢執法單位(wei)和科研(yan)機(ji)構(gou)(gou)的(de)中(zhong)心實驗室。由紗(sha)(sha)(sha)(sha)(sha)(sha)框、張力器(qi)、橫動(dong)(dong)排(pai)紗(sha)(sha)(sha)(sha)(sha)(sha)器(qi)、導紗(sha)(sha)(sha)(sha)(sha)(sha)架和控(kong)(kong)(kong)制(zhi)面板五部分構(gou)(gou)成(cheng)。紗(sha)(sha)(sha)(sha)(sha)(sha)測長(chang)儀(yi)每繞(rao)(rao)取一圈(quan)紗(sha)(sha)(sha)(sha)(sha)(sha)線(xian)就得(de)到一圈(quan)的(de)長(chang)度，因此紗(sha)(sha)(sha)(sha)(sha)(sha)線(xian)的(de)張力影響長(chang)度，圈(quan)數越多積累長(chang)度差別越大，所(suo)以(yi)，張力器(qi)在(zai)本儀(yi)器(qi)上是(shi)(shi)一道(dao)獨(du)特技(ji)術特征。紗(sha)(sha)(sha)(sha)(sha)(sha)框是(shi)(shi)六角(jiao)菱(ling)形結構(gou)(gou)，紗(sha)(sha)(sha)(sha)(sha)(sha)框圈(quan)長(chang)是(shi)(shi)計量繞(rao)(rao)紗(sha)(sha)(sha)(sha)(sha)(sha)總長(chang)的(de)基礎。導紗(sha)(sha)(sha)(sha)(sha)(sha)架是(shi)(shi)試樣(yang)紗(sha)(sha)(sha)(sha)(sha)(sha)路(lu)路(lu)徑控(kong)(kong)(kong)制(zhi)器(qi)之一，試樣(yang)進入(ru)儀(yi)器(qi)試驗路(lu)徑入(ru)口。控(kong)(kong)(kong)制(zhi)面板是(shi)(shi)控(kong)(kong)(kong)制(zhi)儀(yi)器(qi)運轉(zhuan)的(de)樞紐(niu)，橫動(dong)(dong)排(pai)紗(sha)(sha)(sha)(sha)(sha)(sha)器(qi)也是(shi)(shi)試樣(yang)紗(sha)(sha)(sha)(sha)(sha)(sha)路(lu)路(lu)徑控(kong)(kong)(kong)制(zhi)器(qi)之一，電機(ji)驅動(dong)(dong)凸輪推動(dong)(dong)排(pai)紗(sha)(sha)(sha)(sha)(sha)(sha)桿(gan)往復運動(dong)(dong)，排(pai)紗(sha)(sha)(sha)(sha)(sha)(sha)桿(gan)上裝有導紗(sha)(sha)(sha)(sha)(sha)(sha)鉤，導紗(sha)(sha)(sha)(sha)(sha)(sha)鉤里(li)的(de)試樣(yang)在(zai)紗(sha)(sha)(sha)(sha)(sha)(sha)框纏繞(rao)(rao)的(de)過(guo)程(cheng)中(zhong)均勻(yun)、有序排(pai)列。