差熱分析儀
Differential thermal analyzer
型號（HCCR-3000）
Models ( HCCR-3000 )
一、差熱分析儀相關簡介：
Differential thermal analyzer:
差熱分析（DTA）是在程序控制溫度下，測量物質和參比的溫度差和溫度關系的一種技術。當試樣發生任何物理或化學變化時，所釋放或吸收的熱量使試樣溫度高于或低于參比物的溫度，從而相應地在差熱區線上可得到放熱或吸熱峰。差熱曲線（DTA）是由差熱分析得到的記錄曲線。曲線的縱坐標為試樣與參比物的溫度差（△T），向上表示放熱反應，向下表示吸熱反應。差熱分析也可以測定試樣的熱容變化，它在差熱線上發映出基線的偏離。
Differential thermal analysis ( DTA ) is in the program control temperature, measuring physical and reference temperature difference and temperature relation of a kind of technology. When the specimen is any physical or chemical change, release or absorb the heat to make the sample temperature is higher or lower than the reference temperature, thus corresponding to the poor in hot line can be exothermic or endothermic peak. Differential thermal curve ( DTA ) is obtained by differential thermal analysis curve. The longitudinal coordinate for the sample and the reference temperature difference (△ T ), upward downward said exothermic reaction, said the endothermic reaction. Differential thermal analysis can also be used to test specimen heat capacity change, it indicates poor hotline baseline deviation.
二、差熱分析儀技術指標
Differential thermal analyzer specifications
1. 溫度范圍: 室溫~1000℃
1: room temperature to ~1000℃temperature range
2. 量程范圍: 0～±2000μV
2 measuring range: 0± 2000μ V
3. DTA精度: ±0.1μV
The accuracy of DTA: 3± 0.1 μ V
4. 升溫速率: 1～80℃/min
The 4 heating rate: 1 ~ 80 ℃ /min
5. 溫度分辨率: 0.1℃
5: 0.1 ℃temperature resolution
6. 溫度準確度: ±0.1℃
6:± 0.1℃temperature accuracy.
7. 溫度重復性: ±0.1℃
Temperature repeatability: 7± 0.1 ℃
8. 溫度控制: 升溫：程序控制 可根據需要進行參數的調整
8: heating temperature control: process control according to the need for parameter adjustment
降溫：風冷 程序控制 可選配 半導體冷卻系統、液氮冷卻系統 等
Cooling: cooling process control can be equipped with semiconductor cooling system, liquid nitrogen cooling system
恒溫：程序控制 恒溫時間任意設定
Constant temperature: program control constant temperature time arbitrarily set
9. 爐體結構: 爐體采用上開蓋式結構，代替了傳統的升降爐體，精度高，易于操作
9: structure of the furnace body furnace used on the cover opening type structure, instead of the traditional lifting furnace body, high precision, easy to operate
10. 氣氛控制: （選配）氣體流量計，氣氛轉換裝置
10: control of atmosphere (optional ) gas flowmeter, atmosphere conversion device
11. 數據接口: RS-232串口通訊 配套數據線和操作軟件
The 11 data interface: serial communications RS-232 supporting data line and operation software
12. 主機顯示: 漢字大屏液晶顯示 藍底白字
The 12 host display Chinese characters: large screen liquid crystal display blue white
13. 參數標準: 配有標準物,用戶可自行對溫度進行校正
The 13 parameters standard : a standard, users can make the temperature correction
14. 基線調整: 用戶可通過基線的斜率和截距來調整基線
14: baseline adjustment by the user base of slope and intercept to adjust for baseline
15. 工作電源: AC 220V 50Hz
15: AC 220V 50Hz power supply
單位名稱：北京華測實驗儀器有限公司
Name of the entity：Beijing China testing lab instrument co., LTD
開戶行： 工商銀行北京清華園支行
Bank: Industrial and Commercial Bank of China branch in Beijing Tsinghua Yuan
帳 號： 00036426
Account number: 0003642
56261555
56261555
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