company profile

Shanghai Uzong Industrial Co., Ltd. (hereinafter referred to as UZONGLAB®) is a high-tech company that provides integrated solutions for intelligent laboratories, mainly serving the Chinese market and countries along the “Belt and Road”. It has three business divisions and one The technology center, namely the instrument business department, consumables business department, project development department, and Zhongyu Lianhe Technology Center. In addition to the Shanghai headquarters, we have established branches in Beijing, Shenyang, Shijiazhuang, Taiyuan, Qingdao, Guangzhou, Chengdu and Urumqi. To provide customers with more professional, safer and more convenient products and services is our sole goal. 可選具有壓力補(bǔ)償和溫度控制性能的標(biāo)氣檢測氣路。北京進(jìn)口分析儀哪家好

Oxygen, Nitrogen, and Hydrogen in Refractory Metals

Summary

One of the most critical chemical specifications of titanium alloys is the hydrogen content. Too high of a

hydrogen content can cause hydrides to precipitate, which can lead to embrittlement and subsequent

cracking when the alloy is stressed. Hydrogen pickup typically occurs during downstream processing steps

such as heat treating, pickling, and cleaning.

The LECO ONH836 is a simultaneous oxygen, nitrogen, and hydrogen determinator that utilizes an electrode furnace, inert carrier gas, and both infrared and thermal conductivity detection to meet the analytical needs of the refractory metal industry. 

This application note was written specifically for use with the LECO ONH836 series determinator.

Instrument calibration/drift correction.

a. Login a minimum of 3 Standard replicates.

b. Weigh a ~1.000 gram of a calibration/drift standard, enter the mass and standard identification into appropriate replicate fields.

c. Press the Analyze button on the instrument screen. After a short delay, the loading head slide-block will open.

d. Place the calibration/drift standard into the open port at the top of the loading head.

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

氧氮氫分析儀的常見故障及解決方法

儀器啟動時顯示。沒有水流。系統(tǒng)分析電流切斷，分析停止。這是水流探測器不正常，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，證明水流探測器正常，管道暢通。啟動循環(huán)水泵，但分析儀顯示沒有水流，此時可判定水泵不正常。打開水泵轉(zhuǎn)子密封口，啟動泵發(fā)現(xiàn)電機(jī)正常運轉(zhuǎn)，此時關(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，儀器運行正常。 ***觸摸屏技術(shù)，用戶友好界面軟件進(jìn)行校正、分析、診斷等。

氧氮氫分析儀的常見故障及解決方法：

氧和氮空白值超過20。這是由于氣流小，不能將爐子中的空氣驅(qū)趕出去?？烧{(diào)節(jié)氣體流量，調(diào)節(jié)載氣壓力在0.2~0.4MPa。接通儀器載氣，放一個石墨坩堝在下電極上，打開主電源開關(guān)，點擊軟件上的關(guān)爐按鈕，關(guān)閉爐子并等待10s。調(diào)節(jié)流量調(diào)節(jié)器，直到流量計a顯示為30L／h，打開爐子。調(diào)節(jié)調(diào)節(jié)器直到流量計b顯示為50L／h，再次關(guān)閉爐子。如果以上設(shè)置不穩(wěn)定，則增加流量至100L／h，反復(fù)調(diào)節(jié)直至儀器穩(wěn)定。 氧氮氫分析儀選哪家？給您推薦上海禹重！湖南美國分析儀供應(yīng)商

**的動態(tài)流量補(bǔ)償（DFC）保證熱導(dǎo)池氣體流量、壓力恒定。北京進(jìn)口分析儀哪家好

力可ONH836氧氮氫分析儀

特征

穩(wěn)固的爐頭試樣加載結(jié)構(gòu)

試樣加載過程中完全密閉，消除大氣的中可能帶來的雜質(zhì)的污染；

簡化日常分析所需的爐頭進(jìn)樣部分機(jī)械維護(hù)工作。

可選的自動功能

上下電極自動清掃裝置；

20位試樣及坩堝自動進(jìn)樣裝置。

附加功能及優(yōu)點

可選六軸可旋轉(zhuǎn)觸摸屏幕，增強(qiáng)了操作的工效和直觀性；

可選具有壓力補(bǔ)償和溫度控制性能的標(biāo)氣檢測氣路；

新型氣路管道減少氣路連接閥，使得漏氣，斷路故障更少；

配置SmartLine Remote遠(yuǎn)程診斷功能。

北京進(jìn)口分析儀哪家好