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首頁 > 產(chǎn)品展示 > > 其他檢測儀器 > TCH-600 氮?dú)溲趼?lián)合測定儀

TCH-600 氮?dú)溲趼?lián)合測定儀

簡要描述：簡單說明：LECO將創(chuàng)新技術(shù)和已有成就*地結(jié)合，帶給您杰出的TCH600系列氮/氧/氫測定儀。對廣泛的金屬和無機(jī)材料而言，這種*的氮氧氫聯(lián)合測定技術(shù)是產(chǎn)品控制和研究開發(fā)的理想選擇。

產(chǎn)品型號(hào)：TCH-600
廠商性質(zhì)：生產(chǎn)廠家
更新時(shí)間：2024-10-08
訪問量：2429

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詳情介紹

詳細(xì)說明:

測定元素氧氮?dú)淙?nbsp;可以同時(shí)得到氧氮?dú)淙齻€(gè)元素的結(jié)果。也可以單獨(dú)作為氧氮分析，和定氫的分析。
2 分析方法惰性氣體脈沖加熱熔融方式
O 非色散紅外吸收法檢測
N TCD熱導(dǎo)法檢測
H 非色散紅外吸收法檢測紅外法測量氫的技術(shù)早在70年代力可的碳?xì)涞治鰞x器上就已經(jīng)成熟使用，氫的精度有保證。關(guān)于市場上其他廠商的誤導(dǎo)用戶說法，力可愿意以現(xiàn)實(shí)的調(diào)研數(shù)據(jù)說話。標(biāo)書后頁附上了TCH600在用戶處的實(shí)際調(diào)研數(shù)據(jù)，以作證明。
對于氧的檢測，力可公司采用目前世界上的分析技術(shù)，同時(shí)檢測CO和CO2，然后在轉(zhuǎn)化為CO2集中檢測，原理上是zui完善的，所以不僅可以保證中間量程的氧的測量精度，在超低含量和高含量的檢測范圍內(nèi)同樣可以滿足精度要求。
力可TCH600儀器精度達(dá)到0.025ppm，高于其他供貨商一個(gè)數(shù)量級(jí)，是目前市場上zui高的精度。

3 分析范圍氧0.05ppm-5%
氮0.05ppm-3%
氫 0.1ppm-0.25%
4 標(biāo)準(zhǔn)樣品重量標(biāo)準(zhǔn)1.0g
5 分析精度（重現(xiàn)性）：
（氣標(biāo)） O: 0.025ppm或0.5%RSD
N: 0.025ppm或0.5%RSD
H: 0.05ppm或2%RSD 氧氮的儀器分析精度，只有力可可以達(dá)到0.025ppm.
而其他廠商zui高的精度只有0.2ppm,比力可低一個(gè)數(shù)量級(jí)。
6 靈敏度（zui小讀數(shù)） O/N/H : 0.001ppm
7 分析時(shí)間標(biāo)準(zhǔn)調(diào)置90秒（可根據(jù)具體分析選擇時(shí)間）由于不再需要用色譜柱分離N2和H2，分析時(shí)間由原來180秒縮短到90秒，適合現(xiàn)場大分析量的應(yīng)用。目前只有力可公司的TCH600可以滿足這個(gè)分析時(shí)間的要求。
其他廠商單測氫的時(shí)間為180秒，而得出氧氮?dú)淙齻€(gè)結(jié)果的時(shí)間至少30分鐘，才可以保證精度。
8 脈沖電極加熱爐 1.高精度電流、電壓、功率控制功能，可以進(jìn)行程序升溫分析，而且可以進(jìn)行無極升溫。
2.爐子輸出功率：7.5KW，能滿足有色金屬、黑色金屬及各類高溫合金的檢測要求
3．電極爐自動(dòng)定溫保持功能
4．系統(tǒng)漏氣檢查自動(dòng)化，可進(jìn)行爐頭漏氣分段控制進(jìn)行檢漏
5.五步脫氣功能：在分析時(shí)可以提前將坩鍋中的雜氣經(jīng)5步脫氣用于降低空白 1．力可升溫程序可以任意設(shè)置，而其他廠商zui多只能設(shè)定10段升溫。
2．力可儀器氣路漏氣檢查分為更詳細(xì)的4段檢漏，大大縮短了排查時(shí)間，其他廠商zui多2路檢漏。
9 水循環(huán)方式氧氮?dú)浞治龅尼尫艤囟群芨?，大約在3000攝氏度左右，單一的內(nèi)循環(huán)無法保證*的冷卻，對儀器下電極的保護(hù)不夠。因此力可采用內(nèi)外冷卻循環(huán)水結(jié)合，確保冷卻效果。
六分析軟件
1 操作界面中文、英文操作界面力可為出廠標(biāo)準(zhǔn)配置的多語言操作平臺(tái)（內(nèi)置包括英文和中文在內(nèi)的5種語言），而其他廠商為國內(nèi)翻譯，有軟件的沖突，容易死機(jī)。
2 報(bào)表功能標(biāo)準(zhǔn)配置（儀器軟件自帶）
3 分析通道氧氮?dú)渫ǖ罒o限制，用戶可自行編輯較為靈活的分析方法其他廠商為zui多16個(gè)通道。
4 分析功能 1. 分析模式：手動(dòng)和自動(dòng)分析
2. 分析條件：可設(shè)定溫度進(jìn)行升溫分析?？梢匀我庠O(shè)定積分時(shí)間及累計(jì)積分
3. 校正：一點(diǎn)或多點(diǎn)校正，可對校正系數(shù)及校正曲線進(jìn)行打印刪除校正數(shù)據(jù)功能。
分析結(jié)果可轉(zhuǎn)用于校正功能。
校正式補(bǔ)償功能
4. 分析結(jié)果可自動(dòng)存儲(chǔ)、適時(shí)顯示、實(shí)時(shí)打印
5. 可實(shí)時(shí)動(dòng)態(tài)顯示試樣的燃燒釋放曲線
6. 自動(dòng)存儲(chǔ)分析圖形
7. 可顯示分析氣路
8. 在分析氣路可實(shí)現(xiàn)檢漏及機(jī)械、信號(hào)、輸出等自診斷功能
9. 遇異常情況可及時(shí)報(bào)警
10. 具備氧化物及氮化物分離的軟件
5 數(shù)據(jù)處理功能平均值、標(biāo)準(zhǔn)偏差、相對標(biāo)準(zhǔn)偏差等
可對數(shù)據(jù)進(jìn)行非連續(xù)性選擇
分析數(shù)據(jù)可及時(shí)進(jìn)行網(wǎng)絡(luò)傳輸
分析結(jié)果可隨時(shí)轉(zhuǎn)化成分析報(bào)告
6 日志文件功能記錄所有的操作、結(jié)果、維護(hù)，以便了解儀器運(yùn)行狀況
7 幫助文件功能 1．含維護(hù)、參考、操作手冊，提供具體的操作方法、故障產(chǎn)生的原因及排除方法，以便隨時(shí)查閱
2．軟件配有HELP文件，可隨時(shí)查看
8 自診斷功能警告性警報(bào)
提示性警報(bào)
七技術(shù)服務(wù)
1 技術(shù)資料賣方在合同生效后一個(gè)月內(nèi)寄發(fā)安裝條件說明書（中文）
由賣方負(fù)責(zé)安裝、調(diào)試。正常運(yùn)轉(zhuǎn)驗(yàn)收合格后方能交付使用。
賣方提供中英文操作手冊、維修手冊、電路圖等技術(shù)手冊一式兩份。
2 儀器驗(yàn)收按標(biāo)樣分析精度要求和中短期精度試驗(yàn)指標(biāo)進(jìn)行考核。
3 售后服務(wù) 廠家在國內(nèi)要有維修中心，要有專職的維修工程師，設(shè)有備品備件庫，在買方提出維修要求后，能在4小時(shí)內(nèi)做出維修響應(yīng)，1－2個(gè)工作日內(nèi)到達(dá)用戶現(xiàn)場：供方應(yīng)負(fù)責(zé)終身維修。目前只有力可在國內(nèi)設(shè)有維修中心，力可為廠商直銷，在上海設(shè)有總代表處，在北京和重慶設(shè)有分支機(jī)構(gòu)，為中國用戶服務(wù)超過了30年。力可的維修工程師均為專職，在國內(nèi)共有11名。
其他廠商為代理制銷售，售后服務(wù)實(shí)力無法保障。
4 培訓(xùn) 免費(fèi)提供2-4人國內(nèi)一周培訓(xùn)。包括儀器基本原理、使用維護(hù)要求常見故障現(xiàn)象及排除的培訓(xùn)。在儀器安裝調(diào)試時(shí)，賣方安裝工程師對用戶現(xiàn)場進(jìn)行技術(shù)培訓(xùn)，著重儀器硬件的檢修培訓(xùn)。
5 質(zhì)量保證期儀器整機(jī)保修12個(gè)月，保修期內(nèi)接到維修邀請應(yīng)在中即刻答復(fù)或8小時(shí)內(nèi)派員到場修復(fù)。

Oxygen, Nitrogen, and Hydrogen Determination

in Refractory Metals*

Instrument

TCH600

Sampling and 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 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 been different from that for hydrogen determination. Typically, titanium and zirconium samples are chemically etched to remove surface contamination when oxygen and nitrogen are determined. However, etching can introduce hydrogen into the sample. ASTM method

E 1409 "Determination of Oxygen and Nitrogen in Titanium and Titanium Alloys by the Inert Gas Fusion

Technique", as updated in 1996, permits either etching or abrading （filing） of the test specimen. ASTM

E 1937 "Determination of Nitrogen in Titanium and Titanium Alloys by the Inert Gas Fusion Technique" indicates that the test specimen be etched. ASTM E 1447 "Determination of Hydrogen in Titanium and Titanium Alloys by the Inert Gas Fusion Thermal Conductivity/Infrared Detection Method" permits surface preparation by abrading （if necessary to remove contamination）. Differences in sample preparation

present somewhat of a dilemma regarding simultaneous determination of O, N, and H in Titanium. However, abrading samples with a file to remove surface contamination will yield accurate O, N, and H results.

Accessories

776-247 Graphite Crucibles, 501-073 Graphite Powder, 502-344 Nickel Basket, 501-059 Tin Capsule

（powder, chip, granular samples）

Note: LECO 502-344 Nickel Baskets are prepared using a proprietary procedure to ensure low and precise

O, N and H content. These baskets can be used directly from the bottle without additional cleaning. To avoid contamination handle with clean forceps only.

Calibration Samples

Refractory metal reference materials （titanium, zirconium, etc.） from LECO, NIST or other suitable reference materials.

Sample Weight

0.1 to 0.15 g

*Refractory Metals include Ti, Zr, W, Mo, Ta, Nb, Hf, and their alloys.

TCH600

Method Parameters

Analysis Parameters

Outgas Cycles 3

Analysis Delay 20 seconds

Analysis Delay Comparator 1.000

Analysis Type Semi-Auto Analysis¹

¹In earlier software programs this is the same as Auto Analysis. Auto Analysis is now used for instruments equipped with auto-sample loading capability, refer to the latest version of the operator's instruction manual for additional details.

Element Parameters Oxygen Nitrogen Hydrogen

Minimum Analysis Time	40 seconds	60 seconds	60 seconds
Significant Digits	5	5	6
Conversion Factor	1.00000	1.00000	1.00000
Integration Delay	5 seconds	15 seconds	10 seconds
Comparator Level	1.00000	1.00000	5.00000
Stop if below （%）	0.000000	0.000000	0.000000

Furnace Parameters

Furnace Control Mode Power

Pre-Analyze Purge Time —

Purge Time 10 seconds Outgas Time 15 seconds Outgas Cool Time 5 seconds Outgas Low Power 6000 watts* Outgas High Power 6000 watts* Outgas Ramp Rate —

Analyze Low Power 5200 watts* Analyze High Power 5200 watts* Analyze Ramp Rate —

Sample Prep Time — Sample Prep Power — Temperature Sustain None

*May vary, depending on line voltage. Level can be adjusted to facilitate recovery and/or reduce crucible burn-through.

Procedure—Solid Samples

1. Prepare instrument for operation as outlined in the operator's instruction manual.

2. Determine Blank.

a. Enter 1.0000 g weight into weight stack.

b. Press Loader Switch on front of furnace, after a short delay the loading head slide block will open.

c. Place a 502-344 Nickel Basket into open port at top of loading head.

d. Press Loader Switch again, the loading head slide block will close and the lower electrode will open.

e. Add ~75 to 100 mg of 501-073 Graphite Powder to a 776-247 Graphite Crucible.

f. Place crucible on electrode pedestal.

g. Press Loader Switch, the lower electrode will close and the analysis sequence will start and end automatically.

h. Repeat steps 2a through 2g a minimum of five times.

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

3. Calibrate/Drift Correct.

a. Weigh ~0.1 to 0.15 g of a calibration sample and enter weight into weight stack.

b. Place sample into a 502-344 Nickel Basket.

c. Press Loader Switch on front of furnace, the loading head slide block will open.

d. Place nickel basket/sample into open port at top of loading head.

e. Press Loader switch again, the loading head slide block will close and the lower electrode will open.

f. Add ~75 to 100 mg of 501-073 Graphite Powder to a 776-247 Graphite Crucible.

g. Place crucible on the electrode pedestal.

h. Press Loader Switch, the lower electrode will close and the analysis sequence will start and end automatically.

i. Repeat steps 3a through 3h a minimum of five times for each calibration sample used.

j. Calibrate or Drift Correct the instrument following the procedure outlined in the operator's instruction manual.

4. Analyze Samples

a. Weigh ~0.1 to 0.15 g sample and enter weight into weight stack. b. Proceed as directed in steps 3b through 3h.

Typical Results—Solid Samples

Sample	Weight g	O %	N %	H ppm
LECO	0.1143	0.269	0.0174	11
502-201	0.1138	0.267	0.0161	11
Titanium Pin	0.1139	0.266	0.0174	11
0.267% O	0.1142	0.266	0.0172	13
0.017%N	0.1146	0.269	0.0167	12
	0.1126	0.269	0.0173	12
	0.1149	0.265	0.0170	12
	0.1145	0.266	0.0172	12
	0.1140	0.267	0.0164	12
	0.1144	0.266	0.0171	12
	X =	*0.267*	*0.0170*	12
	s =	*0.0016*	*0.0004*	*0.5*
LECO	0.1086	0.131	0.0028	19
502-047	0.1111	0.131	0.0028	20
Zirconium Pin	0.1103	0.131	0.0029	20
0.13% O	0.1141	0.131	0.0028	20
	0.1110	0.130	0.0025	19
	0.1096	0.131	0.0029	20
	0.1125	0.131	0.0029	20
	0.1052	0.131	0.0027	19
	0.1003	0.131	0.0027	20
	0.1132	0.132	0.0029	20
	X =	*0.131*	*0.0028*	20
	s =	*0.0004*	*0.0001*

0.5

Procedure—Powder/Chip Samples

1. Prepare instrument for operation as outlined in the operator's instruction manual.

2. Determine Blank.

a. Enter 1.0000 g weight into weight stack.

b. Press Loader Switch on front of furnace, after a short delay the loading head slide block will open.

c. Insert a 501-059 Tin Capsule （leave capsule open） into a 502-344 Nickel Basket and place into open port at top of loading head.

d. Press Loader Switch again, the loading head slide block will close and the furnace lower electrode will open.

e. Add ~75 to 100 mg of 501-073 Graphite Powder to a 776-247 Graphite Crucible.

f. Place crucible on the furnace electrode pedestal.

g. Press Loader Switch, the lower electrode will close and the analysis sequence will start and end automatically.

h. Repeat steps 2a through 2g a minimum of five times.

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

3. Calibrate/Drift Correct.

a. Weigh ~0.1 to 0.15 g refractory metal calibration sample into a 501-059 Tin Capsule and enter weight into weight stack. Note: Calibration samples can be solid; they do not have to be powder

or chip.

b. Press Loader Switch on front of furnace, after a short delay the loading head slide block will open.

c. Insert capsule into 502-344 Nickel Basket and place into open port at top of loading head.

d. Press Loader Switch again, the loading head slide block will close and the furnace lower electrode will open.

e. Add ~75 to 100 mg of 501-073 Graphite Powder to a 776-247 Graphite Crucible.

f. Place crucible on furnace electrode pedestal.

g. Press Loader Switch, the lower electrode will close and the analysis sequence will start and end automatically.

h. Repeat steps 3a through 3g a minimum of five times for each calibration sample used.

i. Calibrate or Drift Correct the instrument following the procedure outlined in the operator's instruction manual.

4. Analyze Samples.

a. Weigh ~0.1 to 0.15 g sample into a 501-059 Tin Capsule and enter weight into weight stack.

b. Proceed as directed in 3b through 3g.

Typical Results—Powder Samples

Sample	Weight g	O %	N %	H ppm
Tantalum	0.1055	0.206	0.0045	38
Powder	0.1076	0.207	0.0045	39
	0.1096	0.205	0.0040	37
	0.1020	0.205	0.0044	38
	0.1052	0.206	0.0048	39
	X =	*0.206*	*0.0045*	38
	s =	*0.001*	*0.0003*	1

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TCH-600 氮?dú)溲趼?lián)合測定儀

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