檢(jian)(jian)查容重(zhong)要(yao)把(ba)容重(zhong)器(qi)裝(zhuang)滿(man)要(yao)檢(jian)(jian)查的(de)試樣(yang),比如(ru)谷(gu)物等,有三(san)個筒子(zi)的(de)就xian把(ba)較長的(de)筒子(zi)裝(zhuang)滿(man),組裝(zhuang)并(bing)卸到下個筒子(zi)里,用刀片形狀的(de)那個東西把(ba)多余的(de)谷(gu)物分開并(bing)倒出來,較后(hou)稱重(zhong)量(liang)。就是容重(zhong)。 容重器測定的使(shi)用方法(fa):
1、打開(kai)箱蓋,取出所(suo)有部(bu)件,按糧種選好漏斗。
2、將帶(dai)有排氣砣(tuo)的容(rong)重(zhong)筒放在電(dian)子秤上,空(kong)載時調節零點(dian)。
3、取下容量簡,將容量筒安裝在鐵板底座(zuo)上(shang),套上(shang)中間筒。
4、將制(zhi)備的(de)試(shi)(shi)樣倒(dao)入谷物筒(tong)(tong)(tong)內(nei),裝滿(man)刮平。再將谷物筒(tong)(tong)(tong)套在(zai)中(zhong)間(jian)筒(tong)(tong)(tong)上,打(da)開漏斗開關(guan)(guan),讓玉米自由下落(luo),待(dai)試(shi)(shi)樣全(quan)部經過中(zhong)間(jian)筒(tong)(tong)(tong)落(luo)入容量筒(tong)(tong)(tong)后,關(guan)(guan)閉漏斗開關(guan)(guan)。用(yong)手(shou)握住谷物筒(tong)(tong)(tong)與中(zhong)間(jian)筒(tong)(tong)(tong)的(de)接全(quan)處,將插(cha)(cha)片準確地插(cha)(cha)入豁口槽中(zhong),依次(ci)取(qu)(qu)下谷物筒(tong)(tong)(tong),拿起中(zhong)間(jian)筒(tong)(tong)(tong)和容量筒(tong)(tong)(tong),倒(dao)凈插(cha)(cha)片上多余的(de)試(shi)(shi)樣,抽出(chu)插(cha)(cha)片,取(qu)(qu)下容量筒(tong)(tong)(tong)上的(de)鐵板底座,將容量筒(tong)(tong)(tong)放在(zai)電子(zi)秤上稱(cheng)量。雙試(shi)(shi)驗允許(xu)差不超過3g/L,求其(qi)平均數,即為測定結果。
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