北京元素分析儀廠家供應(yīng)

氧氮?dú)浞治鰞x的常見(jiàn)故障及解決方法

儀器啟動(dòng)時(shí)顯示。沒(méi)有水流。系統(tǒng)分析電流切斷，分析停止。這是水流探測(cè)器不正常，水泵不工作，管道堵塞。將儀器的右面板取下，觀察水流探測(cè)器，用手?jǐn)D壓補(bǔ)水塑料水瓶，發(fā)現(xiàn)水流正常，顯示正常，證明水流探測(cè)器正常，管道暢通。啟動(dòng)循環(huán)水泵，但分析儀顯示沒(méi)有水流，此時(shí)可判定水泵不正常。打開(kāi)水泵轉(zhuǎn)子密封口，啟動(dòng)泵發(fā)現(xiàn)電機(jī)正常運(yùn)轉(zhuǎn)，此時(shí)關(guān)閉進(jìn)水，拆下水泵，發(fā)現(xiàn)葉輪脫落。經(jīng)了解，判定是由于外部冷卻水停水，儀器內(nèi)循環(huán)水溫過(guò)高（水溫應(yīng)≤70℃），致使葉輪（葉輪材料PVC）熱脹并脫軸。用粘合劑粘合葉輪后再粘于葉輪軸上，待粘合劑凝固后試車，儀器運(yùn)行正常。 為可**的Cornerstone 氧氮氧分析軟件采用觸摸屏界面使用戶達(dá)到分析控制、15法設(shè)定、在線診斷、數(shù)據(jù)報(bào)告。北京元素分析儀廠家供應(yīng)

Instrument calibration/drift correction

f. Clean the upper and lower electrode manually, or, if applicable, remove the crucible and press the analyze button to clean with the automatic cleaner.

g. Firmly place a graphite crucible on the lower electrode tip.

h. Press the Analyze button on the instrument screen, the lower electrode will close and the analysis sequence will start and end automatically.

i. Repeat steps 3b through 3h a minimum of three times for each calibration/drift standard used.

. Calibrate/drift following the procedure outlined in the operator's instruction manual.

Procedure - Solid Samples

Determine the instrument blank.

Repeat steps 2b through 2g a minimum of three times.

Set the blank following the procedure outlined in the operator's instruction manual.

Instrument calibration/drift correction.

Login a minimum of 3 Standard replicates.

Weigh approximately *** grams of a calibration/drift standard, enter the mass and standard identification into appropriate replicate fields.

Note: LECO Reference Materia***o not require preparation.See preparation statement on the reference material certificate.

Sample Preparation

Sampling and sample preparation of refractory metals such as titanium and zirconium is somewhat different from that of steel. Unlike steel samples, hydrogen is not as mobile in this group of materials; therefore, storage in liquid nitrogen or dry ice is not required. However, it is important to keep the sample cool when cutting or sectioning. Sample preparation for oxygen and nitrogen determination has beendifferent from that of hydrogen determination.

雙直流風(fēng)扇保證持續(xù)冷卻，不受電壓波動(dòng)的影響。

Procedure - Solid Samples

Press the Analyze button on the instrument screen again, the loading head slide-block will close and the lower electrode will open.

Clean the upper and lower electrode manually, or, if applicable, remove the crucible and press the analyze button to clean with the automatic cleaner

Add approximately 0.05 g of *** Graphite Powder to a *** Graphite Crucible.

Firmly place the crucible on the lower electrode tip or appropriate autoloader position.

Press the Analyze button on the instrument screen, the lower electrode will close and the analysis sequence will start and end automatically

提供各種無(wú)機(jī)材料、鋼鐵、有色金屬、硬質(zhì)合金、陶瓷材料中寬范圍的氧氮?dú)渫瑫r(shí)分析。北京元素分析儀廠家供應(yīng)

美國(guó)LECO力可氧氮?dú)浞治鰞xONH836（氧氮?dú)渎?lián)測(cè)儀）系列硬件部分

特點(diǎn)和優(yōu)勢(shì)

1、爐頭區(qū)域LED照明系統(tǒng)

2、爐頭快速拆裝的粉塵過(guò)濾裝置

3、裝有自動(dòng)旁路閥的可快速拆裝氧水捕集裝置

4、**的動(dòng)態(tài)流量補(bǔ)償（DFC）保證熱導(dǎo)池氣體流量、壓力恒定

5、改進(jìn)的紅外檢測(cè)池技術(shù)

     新紅外池的恒溫絕熱技術(shù)消除了外界環(huán)境溫度的干擾

   長(zhǎng)壽命的紅外發(fā)射光源和無(wú)漂移的電路設(shè)計(jì)保證紅外檢測(cè)池的長(zhǎng)期穩(wěn)定

   氧高低雙量程采用3個(gè)碳紅外檢測(cè)器，同時(shí)檢測(cè)一氧化碳和二氧化碳，保證準(zhǔn)確定量

  6、高效脈沖爐冷卻系統(tǒng)

   強(qiáng)力內(nèi)循環(huán)水冷裝置

   雙直流風(fēng)扇保證持續(xù)冷卻，不受電壓波動(dòng)的影響

   新電極爐頭設(shè)計(jì)，提高脈沖爐熱交換效率

  7、全自動(dòng)分析系統(tǒng)（可選）

   自動(dòng)清掃裝置

   20位或100位全自動(dòng)分析系統(tǒng)

   高速全自動(dòng)真空除塵裝置直接將粉塵排至儀器外部捕集器中，消除環(huán)境污染

北京元素分析儀廠家供應(yīng)

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