Brief introduction: Vapor adsorption instrument can test material, the general entrance surface area, pore size distribution and steam absorption, and all the pipe, valve seal by oil resistant corrosion design, an adsorption chamber of the test sample tube and manifold module, valve group, such as the gas path, closed constant temperature, ensure full adsorption systems without condensation point, applicable to a variety of materials of low temperature nitrogen adsorption, water vapor adsorption and vapor adsorption of organic solvents. Technical indicators: Test precision, repeatability error is less than + / - 2%; Test scope: than 0. 01 m2 / g above, micropore; 0. 35-2 nm, mesoporous: 2 nm - 50 nm, macroporous: 50 nm to 500 nm. Analyse station: 1 analysis station, station 1 P0, 2 degassing treatment station, a total of four; Cold trap: in view of the vapor adsorption, to test a equipped with liquid nitrogen temperature cold trap, which can effectively prevent the steam into the vacuum pump oil pollution; Temperature control: according to the vapor adsorption, equipped with constant temperature device. Pneumatic system leak rate: less than 10-10 pa * m3 / s Pressure sensor precision: the accuracy of reading error of 0.15% or less P0: independence of saturated vapor pressure (P0) test station, ensure a high accuracy pressure test; Dead volume testing: equipped with 99.9999% high purity HE; Has HE grieve volume temperature range of functions and testing functions; Can get higher accuracy; Sample types: powder, particles, fibers and can be loaded into the sample tube of materials such as sheet material. Liquid level control: liquid nitrogen level servo system Calibration gas: nitrogen can be realized accurate calibration of the volume of free space, also can choose no helium calibration, save the cost. Test gases, high purity nitrogen and according to user needs can choose various gases, such as CO2, Ar, Kr, etc Liquid nitrogen cup: equipped with 3 liters large capacity small dewar, ensure that at least 70 hours without adding liquid nitrogen Instrument specifications size: length 50 cm width 72 cm, 78 cm high, net weight: 55 kg, voltage: AC220v plus or minus 5%, less than 1000 watts
Vapor adsorption instrument can test material, the general entrance surface area, pore size distribution and steam absorption, and all the pipe, valve seal by oil resistant corrosion design, an adsorption chamber of the test sample tube and manifold module, valve group, such as the gas path, closed constant temperature, ensure full adsorption systems without condensation point, applicable to a variety of materials of low temperature nitrogen adsorption, water vapor adsorption and vapor adsorption of organic solvents.
