Test principle: the static volumetric method, gas adsorption

Measuring range: surface area ≥ 0.005M2/g, no upper limit; pore size 2 -500nm;

pore volume 0.0001 cm3/g, no upper limit.

Sorption gas: N2 (high purity); Ar, Kr, CO2, etc. available

Analysis No: two samples tested alternately

Sample Type: powders, granules, fibers, flakes and other materials

Sensor：0_1000 torr P.S (0_133kpa);

Nitrogen Partial Pressure: P/Po 4×10-5-0.998, the minimum resolvable relative pressure 5 × 10-5

Ultimate vacuum: 4.0 × 10-2Pa（3×10-4 torr）

Pressure Accuracy: ≤ ± 0.15% (F.S)

Repeatability accuracy: surface area ≤ ±1.0 % （surface area）;  ≤2nm (pore size)

Operation Mode: Automatic