種(zhong)子(zi)是(shi)進(jin)行(xing)農(nong)業(ye)生(sheng)產(chan)的(de)基(ji)礎(chu)條(tiao)件(jian)，其(qi)品(pin)質(zhi)好(hao)壞(huai)直(zhi)接(jie)關(guan)係(xi)到(dao)農(nong)業(ye)生(sheng)產(chan)的(de)成(cheng)果(guo)
，因(yin)此(ci)在(zai)種(zhong)子(zi)生(sheng)產(chan)企(qi)業(ye)或(huo)科(ke)研(yan)領(ling)域(yu)，進(jin)行(xing)種(zhong)子(zi)的(de)試(shi)驗(yan)是(shi)必(bi)不(bu)可(ke)少(shao)的(de)。而(er)其(qi)中(zhong)就(jiu)有(you)使(shi)用(yong)種子數粒儀jinxingzhongzideqianlizhongfenxi。zhongzishuliyichangyongyuduibiaomianjibenguanghuadegeleizhonglijinxinggaotongliangdegaojingduqianlizhongzidongfenxi，guangfanshiyongyuzhongzikaozhonghepinzhongxuanyuxiangguandeyanjiubumen，tigaogongzuoxiaolv。

那na麼me種zhong子zi數shu粒li儀yi如ru何he進jin行xing千qian粒li重zhong分fen析xi的de呢ne
？要yao解jie答da這zhe個ge問wen題ti，就jiu要yao先xian去qu了le解jie一yi下xia種zhong子zi數shu粒li儀yi的de工gong作zuo原yuan理li了le
，其qi原yuan理li是shi電dian磁ci振zhen動dong盒he使shi種zhong子zi逐zhu粒li排pai隊dui送song料liao
，落luo入ru光guang電dian轉zhuan換huan槽cao後hou形xing成cheng光guang電dian脈mai動dong，經jing放fang大da整zheng形xing倒dao相xiang後hou送song入ru計ji數shu電dian路lu，以yiLED數(shu)碼(ma)管(guan)顯(xian)示(shi)讀(du)數(shu)。預(yu)置(zhi)用(yong)拔(ba)盤(pan)開(kai)關(guan)
，當(dang)計(ji)數(shu)到(dao)預(yu)置(zhi)數(shu)後(hou)，停(ting)止(zhi)送(song)料(liao)

，停(ting)止(zhi)記(ji)數(shu)。儀(yi)器(qi)設(she)有(you)自(zi)校(xiao)頻(pin)率(lv)，便(bian)於(yu)檢(jian)查(zha)計(ji)數(shu)電(dian)路(lu)及(ji)預(yu)置(zhi)的(de)正(zheng)確(que)性(xing)。

zhongzishuliyiyoutuxiangguangxuebufen
，zhendonggongliaobufen
，chengzhongbufenjidianqikongzhibufenzucheng，chengzhongbufenyingyongyuchengliangchuyijishuwanchengdewuliaodezhongliangzhi，zaizidongjisuanchu1000粒物料的重量值即千粒重。那麼通過自動數粒然後稱重，就可以計算出種子的千粒重了
，非常方便。