JW-BK300A specific surface area and pore size analyzer characteristic: 1. Testing module Core design, small dead volume space Vd, real-time detection and control of internal temperature Td, ensuring the scientific and accurate determination of adsorption capacity. 2. Saturated vapor pressure P0 Core design, real-time detection, configuration of independent P0 testing pressure sensor 133KPa, P0 value point by point testing, P/P0 real-time calculation, more reliable data. Alternatively, the atmospheric pressure input method can be used to test the P0 value 3. Cold free space He automatic calibration, suitable for any powder or particle material 4. Vacuum degassing A standardized design that integrates in-situ and ex situ vacuum degassing. During sample analysis, two additional samples can be subjected to ex situ degassing treatment at different temperatures and times; The analysis station can simultaneously perform simultaneous degassing treatment of two samples at different temperatures and times 5. Micropore distribution The HK and SF microporous analysis models are accurately applied, with a pore size deviation of less than 0.02 nm, and have been certified by the China Institute of Metrology 6. Convenient operation and humanized design Ethernet data collection, guided operation software, one computer can control multiple instruments simultaneously and remotely; 7. Pressure sensor Core component, high-precision capacitive thin film pressure sensor, C-type configuration with 1 torr (optional 0.1 torr) enables gas partial pressure P/P0 in physical adsorption analysis to reach 10-7-10-8 (N2/77K) 8. Liquid nitrogen surface control Adopting comprehensive control technologies such as 3L large capacity vacuum glass inner Dewar flask, efficient sealing, small inner section, and software correction, the non-uniform temperature field inside the sample tube is kept relatively constant (isothermal) during the testing process 9. Anti flying measures Self controlled adjustable multi-channel parallel vacuum system, with precise "step like" automatic control of vacuum pumping speed to prevent sample flying; At the same time, a built-in anti pumping unit is designed to minimize the possibility of ultrafine powder being pumped away, effectively avoiding instrument contamination Technical parameters: Model: JW-BK300A Test principle: Static capacity method for gas adsorption Adsorbent gases: Non corrosive gases such as N2, Ar, Kr, H2, O2, CO2, CO, NH3, CH4, etc Analysis port: 3 independent sample tube analysis ports for simultaneous testing 3 independent P0 analysis ports, tested simultaneously Specific surface area range: 0.0005m2/g to unknown upper limit; Standard sample repeatability (RSD) ≤± 1.0%; Aperture range: 0.35nm-500nm Accurate analysis of 2nm mesoporous macropores; Median aperture repeatability (SD) ≤ 0.2nm; Minimum pore volume: 0.0001 cm3/g Pressure sensors (analysis station): 3 units per 1000torr Pressure sensors (P0 station): 3 units per 1000torr Relative pressure P/P0 range: 10-5-0.998 Vacuum pump: Double stage rotary vane mechanical vacuum pump, ultimate vacuum 7 * 10-1Pa Host specifications: length 870mm x width 570mm x height 890mm, weight approximately 80-90 Kg Environmental temperature requirement: Room temperature, it is recommended to equip with air conditioning Environmental humidity requirement: 10% -90% Power requirements: AC 220V ± 20V, 50/60HZ, maximum power 300W, current 5A; Recommended application areas: carbon black, white carbon black, calcium carbonate, titanium dioxide, aluminum oxide, zinc oxide, silicon carbide Activated carbon materials, molecular sieves, catalysts, active metal oxides, MOF materials, etc.
characteristic: 1. Testing module Core design, small dead volume space Vd, real-time detection and control of internal temperature Td, ensuring the scientific and accurate determination of adsorption capacity. 2. Saturated vapor pressure P0 Core design, real-time detection, configuration of independent P0 testing pressure sensor 133KPa, P0 value point by point testing, P/P0 real-time calculation, more reliable data. Alternatively, the atmospheric pressure input method can be used to test the P0 value 3. Cold free space He automatic calibration, suitable for any powder or particle material 4. Vacuum degassing A standardized design that integrates in-situ and ex situ vacuum degassing. During sample analysis, two additional samples can be subjected to ex situ degassing treatment at different temperatures and times; The analysis station can simultaneously perform simultaneous degassing treatment of two samples at different temperatures and times 5. Micropore distribution The HK and SF microporous analysis models are accurately applied, with a pore size deviation of less than 0.02 nm, and have been certified by the China Institute of Metrology 6. Convenient operation and humanized design Ethernet data collection, guided operation software, one computer can control multiple instruments simultaneously and remotely; 7. Pressure sensor Core component, high-precision capacitive thin film pressure sensor, C-type configuration with 1 torr (optional 0.1 torr) enables gas partial pressure P/P0 in physical adsorption analysis to reach 10-7-10-8 (N2/77K) 8. Liquid nitrogen surface control Adopting comprehensive control technologies such as 3L large capacity vacuum glass inner Dewar flask, efficient sealing, small inner section, and software correction, the non-uniform temperature field inside the sample tube is kept relatively constant (isothermal) during the testing process 9. Anti flying measures Self controlled adjustable multi-channel parallel vacuum system, with precise "step like" automatic control of vacuum pumping speed to prevent sample flying; At the same time, a built-in anti pumping unit is designed to minimize the possibility of ultrafine powder being pumped away, effectively avoiding instrument contamination
