- Principle : Nitrogen adsorption method- Function BET surface area measurement(Single and Multi-point method) Direct reference comparison Langmuir surface area measurement- Method : Dynamic Gas Flow method- Working gas : N2(adsorbate), He(Career) 99.99%- Nitrogen patial pressure : 0.05~0.35- Range : (0.01m2/g≤Surface area; no up limit)- Repeatability : ≤ ±2%- Measurement Time BET method for each sample < 25 min.(1point) Reference comparison method 8 min. Dimension : 500(W)350(D)590(H)- Weight(kg) : 32- Adsorption gas: high purity nitrogen. Ar, Kr, CO2, etc. available - Nitrogen partial pressure:P/Po5×10-7----0.995- Pressure Accuracy: ±0.15% - Measuring range: Surface area ≥ 0.01M2/g , above; Pore size 0.35 ～ 400 nm- Repeatability：≤ ±2 %- Test Efficiency：Multi-point BET surface area per sample: 10 ~ 15 minutes; Absorption and desorption isotherms measures pore size distribution: 3 ~ 5h; (Test efficiency exponential growth with the No of analysis stations) - Operation Mode: Automatic- Measuretime : BET method for each sample < 25min (1 point) Reference comparison method 8min- BET Dimension（W*D*H;mm) : 600×450×680, 38kg- Vacumm heating system（W*D*H;mm) : 400×350×550, 10kg