Test principal: Continuous Flow Chromatography method, Low temperature nitrogen adsorption

Test methods: Direct Comparison method, BET Single-point

Gas: mixed gas of high purity nitrogen and helium (The proportion of nitrogen and helium is 3/7; and gas purity is 99.999%).

Flow control: automatic control program, P / Po 0.05 - 0.35, control accuracy error less than 0.5%;

Measuring range: Surface area 0.01m²/g, to no upper limits;

Sample NO: one standard sample and 3 samples tested

Test Efficiency: Direct comparison measures specific surface area: 15 minutes for three samples

Repeatability Accuracy: less than ±1 %

Data acquisition: high-precision data acquisition and processing chip, high anti-interference ability.

Data processing: WINDOWS-compatible data processing software, completely green without instal領, providing multi-mode data analysis, graphical processing interface, real-time monitoring experiment, simple operation.

Control system: The entire testing process is completely automatic. With large volume dewar and liquid nitrogen surface control technology, the whole experiment don’t need add liquid nitrogen.

原理方法：流動色譜法，低溫氮吸附；

測試功能：對比法比表面積測定，帶多層吸附修正;

吸附或脫附動力學過程測試（可選功能）；

測試模式：多樣品分別獨立全自動吸附過程測試；

測試氣體：高純氮氣（99.999%）+ 高純氦氣（99.999%）混合氣體；

測試范圍：0.01m2/g500m2/g ，尤其適合小比表面樣品測試；

重復精度：≤± 1.0%；

測試效率：平均每個樣品5min，測試結果由軟件自動實時得出；

分析站 ：4個樣品位，可同時進行3個被測樣品的分析；