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全自(zi)動氮(dan)吹儀操作(zuo)指(zhi)南(nan)
1.打開(kai)全自(zi)動氮(dan)氣吹(chui)掃(sao)儀氣鋼(gang)瓶(ping)氣(qi)閥開(kai)關(guan),打開(kai)分(fen)壓(ya)表開(kai)關(guan),調(tiao)節(jie)分(fen)壓(ya)至0.30~0.40mpa之間(jian),使(shi)氣體進(jin)入(ru)濃縮儀內部(bu);
2.打開(kai)全自(zi)動氮(dan)氣吹(chui)掃(sao)儀電源(yuan),進(jin)入待機(ji)狀態,按任意(yi)鍵(jian)跳出(chu)待機(ji)狀態。這(zhe)時聽到急促的蜂(feng)鳴聲(sheng)(約(yue)1秒(miao)/次),此為(wei)水浴(yu)箱中(zhong)水浴(yu)不(bu)足報(bao)警提(ti)示(shi),打開(kai)儀器上(shang)蓋,從(cong)大理石(shi)操作臺(tai)的樣品(pin)瓶(ping)插入(ru)口(kou)處(chu)加水至緩(huan)慢(man)的蜂(feng)鳴(約2秒/次),緩(huan)慢(man)蜂(feng)鳴為(wei)儀器上(shang)蓋開(kai)關(guan)檢測器的報(bao)警音(yin),在蓋好儀器上(shang)蓋後即停止(zhi)蜂(feng)鳴;控(kong)制(zhi)
3.通(tong)過(guo)控(kong)制(zhi)模(mo)式切換鍵(jian)模(mo)式選(xuan)擇(ze)控(kong)制(zhi)模(mo)式,濃縮儀可提(ti)供(gong)三種控(kong)制(zhi)模(mo)式:定(ding)時模(mo)式、定(ding)容/定時模(mo)式、手動(dong)模(mo)式:
A.定(ding)時模(mo)式:指(zhi)示(shi)燈(deng)定時 將亮起(qi),當工(gong)作時間(jian)達(da)到預(yu)設的工(gong)作時間(jian)時,所有通(tong)道的吹(chui)起都(dou)將(jiang)停止(zhi) 定(ding)容
B.定容/定時模(mo)式:指(zhi)示(shi)燈(deng)定時 將同(tong)時亮起;這(zhe)相當於(yu)帶有定時功能的“定(ding)容"模(mo)式------除(chu)有“定容"模(mo)式的功(gong)能外(wai),濃縮儀還將(jiang)會(hui)在達(da)到預(yu)設工(gong)作時長時停止(zhi)工(gong)作(此模(mo)式下,儀器默(mo)認(ren)預(yu)設工(gong)作時間(jian)2000S,用戶可根(gen)據(ju)需要在0~9999範圍(wei)內任意(yi)設(she)定(ding)),這(zhe)壹模(mo)式適(shi)合不(bu)同(tong)樣品(pin)的濃縮工(gong)作;在此模(mo)式下,不(bu)同(tong)工(gong)作通道到達(da)定容終點時均會獨(du)自(zi)蜂鳴報(bao)警提(ti)示(shi);
C.手動(dong)模(mo)式:指(zhi)示(shi)燈(deng)“定容"和“定(ding)時"都(dou)將(jiang)熄滅,這(zhe)壹(yi)模(mo)式下,需手動(dong)停止(zhi)每(mei)壹(yi)通道(dao)的工(gong)作;
4.設定壓(ya)力,溫度(du)和時間(jian)等(deng)參數(shu):
設(she)定A.按下設定(ding)/工(gong)作切換鍵(jian)工(gong)作指示(shi)燈(deng)設置(zhi) 將亮起,即進(jin)入參數(shu)設(she)置(zhi)狀態;若(ruo)5秒(miao)內(nei)沒有任何(he)按鍵(jian)操作(zuo)即自(zi)動記(ji)憶(yi)實(shi)時參數(shu)並(bing)退出(chu)參數(shu)設(she)置(zhi)狀態;用戶也可(ke)再(zai)按壹次切換鍵(jian)保存設置(zhi)的參數(shu)並(bing)退出(chu)參數(shu)設(she)置(zhi)狀態;
B.按參數(shu)顯(xian)示(shi)鍵(jian)設置(zhi)選(xuan)擇(ze)數碼窗(chuang)口(kou)中(zhong)顯(xian)示(shi)的參數(shu)類(lei)型,如(ru)顯(xian)示(shi)的數(shu)值為(wei)壓(ya)力值,指示(shi)等(deng)壓(ya)力將亮(liang)起(qi),其(qi)他(ta)同(tong)理;
C.按上(shang)下鍵(jian) ▲ ▼ 修改(gai)參數(shu)值;
D.註(zhu)意各種數值的單位(wei)和(he)上(shang)限;
壓(ya)力:001~010檔,Z高壓(ya)力0.10mpa,每(mei)檔壓(ya)力增(zeng)量為(wei)0.10mps
溫度(du):室(shi)溫~95±0.5℃;
時間(jian):0~9999s
5.檔控(kong)制(zhi)模(mo)式和(he)參數(shu)都(dou)設(she)置(zhi)好後(hou),再(zai)次確(que)認(ren)氣(qi)源閥門已(yi)打開(kai),氣體已(yi)進入濃縮儀內部(bu);
6.在(zai)大理石(shi)操作臺(tai)上(shang)插入(ru)樣品(pin)瓶(ping),註(zhu)意確(que)保樣品(pin)瓶(ping)已(yi)插入(ru)到位(wei)(樣品(pin)瓶(ping)底(di)部(bu)被(bei)掏(tao)住的手感(gan)),沒有(you)懸空(kong);
7.若(ruo)需處(chu)理的樣品(pin)數(shu)少於12個,請(qing)用儀器配(pei)件中(zhong)的密封蓋(gai)把(ba)大理石(shi)操作臺(tai)上(shang)閑(xian)置(zhi)的樣品(pin)瓶(ping)插入(ru)口(kou)封好;若(ruo)使(shi)用50ml的瓶(ping)子(zi),需要在大(da)理石(shi)操作臺(tai)的樣品(pin)瓶(ping)插入(ru)口(kou)上(shang)套上(shang)過渡套,以降低(di)排風(feng)系統(tong)的壓(ya)力,並更(geng)好地(di)固定瓶(ping)子(zi);
8.閉(bi)合獨(du)立(li)控(kong)制(zhi)全(quan)自(zi)動氮(dan)氣吹(chui)掃(sao)儀上(shang)蓋,這時緩(huan)慢(man)蜂(feng)鳴停止(zhi),儀器進(jin)入工(gong)作狀態。打開(kai)樣品(pin)瓶(ping)對(dui)應(ying)的通(tong)道開(kai)關(guan)(見圖(tu)2.6,數字(zi)1~12的按鍵(jian)即為(wei)通道(dao)開(kai)關(guan)按鍵(jian))濃縮儀即開(kai)始工(gong)作;
9.如果(guo)工(gong)作狀態為(wei)非手動(dong)模(mo)式,濃縮儀在所(suo)設(she)定的工(gong)作完成後,會(hui)有(you)蜂鳴報(bao)警提(ti)示(shi);
●定(ding)時模(mo)式下,倒計(ji)時結束(shu)時,蜂鳴報(bao)警提(ti)示(shi);
●定(ding)容/定時模(mo)式下,各工(gong)作通道濃縮至終點體積(ji)時,蜂鳴報(bao)警提(ti)示(shi);當(dang)Z後(hou)儀壹路工(gong)作通道濃縮至終點體積(ji)時,儀器長鳴(無(wu)間(jian)隔(ge)蜂(feng)鳴3分(fen)鐘(zhong));
10.全(quan)自(zi)動氮(dan)氣吹(chui)掃(sao)儀工(gong)作完畢(bi)後,按待機(ji)鍵(jian),重(zhong)新進入(ru)待機(ji)狀態。註(zhu)意:考慮到用戶剛(gang)做完妳試驗後(hou),有部(bu)分(fen)水(shui)蒸(zheng)氣和有(you)機(ji)溶(rong)劑殘(can)留(liu),排(pai)風(feng)系(xi)統任然處(chu)於運(yun)作(zuo)狀態。
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