La description

Measuring range: surface area ≥ 0.**5M2/g, noupperlimit; pore size 2 _ **0nm; pore volume 0.***1cc/g, no upper limit;
Sorption gas: N2 (high purity); Ar, Kr, CO2, etc. available
Analysis No: Two independent analysis ports
Degassing stations:Two
Sample Type: powders, granules, fibers, flakes and other materials
Sensor：Two sensors,0_***0 torr P.S (0_**3kpa);
Test Efficiency: multi-point BET surface area _*2 minutes per sample;
Determination pore size distribution fromadsorption isotherms _1.5h per sample;
Determination pore size distribution from adsorption and desorption isotherms _3.5 h per sample.
Nitrogen Partial Pressure:P/Po4×*0*5 _ 0.**8, the minimum resolvable relative pressure  5 × *0*5
Ultimate vacuum:4.0 × *0*2Pa（3×*0*4  torr）
Pressure Accuracy:≤ ± 0.*5% (F.S)
Repeatability accuracy:surface area≤ ±1.0 %（surface area）;  ≤2nm (pore size)