- 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