孔径/隙度分析仪V-Sorb 2800P

V-Sorb 2800P surface area and pore size distribution analyzer introduction
V-Sorb 2800P is researched and produced by Gold APP Instruments with surface area and porosity analyzing applications. Multi pioneered techs make its performance more excellent. heighten accuracy and consistence of results, enhance measurement stability, all these lead to a leading level in global market field. Products designed from the user perspective and equipped with fully automated operation, user-friendly interface makes it easy to learn, imported accessories assure stability and prolong life. Perfect design and strict testing guarantee to meet customers’ real demands. High cost performance of V-Sorb 2800P easily ensure your investment profits and flexible equipped peripheral can satisfy different users’ requests, is a wonderful tool for micropore and mesopore determination.
 
V-Sorb 2800P surface area and pore size distribution analyzer parameters
Analysis Method: static volumetric nitrogen adsorption principle
Versatility: Adsorption and desorption isotherms, Single and multi-point BET surface area analysis, Langmuir method surface area, Average particle diameter estimation, T-plot external surface area, True density analysis, BJH total pore volume and pore size distribution, T-plot micropore analysis, MP micropore, Horvath-Kawazoe (HK) micropore, Saito-Foley (SF) micropore, Dubinin-Astakhov (DA) micropore, Dubinin-Radushkevich (DR) micropore surface area, carbon black (STSA) etc.
Measuring Ranges: 0.01m²/g to no known upper limit (surface area)
                              0.35 to 400nm (pore size)
Accuracy: repeatability errors ≤1%
Vacuum System: V-Sorb unique monolithic manifolds and solenoid valve control system, greatly reduce the dead volume; improve the adsorbate micro-change sensitivity; enhance pore size distribution analysis resolution; decrease connecting points; strengthen sealing performance and prolonged instrument life
Coolant Level Prober: V-Sorb original coolant level control system with temperature probe, ensure the coolant level unchanged when compares with sample cells in the whole analysis process, completely eliminate the analysis errors caused by dead volume change
Sample Treatment: the whole treatment procedures are controlled by dedicated software, as well with a start time preset function which can realize unattended operation at night
Control System: programmable solenoid valve system with high integration and strong anti-interference ability, enhance instrument’s stability and life
Sample Ports: two samples’ analyzing and two samples’ degassing concurrently
Pressure Measurement: imported sectional measuring dual pressure transducer, notably improve the measuring accuracy at low P/P_o point, 0-1000Torr (0-133Kpa), 0-10Torr (0-1.33Kpa)
Transducer Accuracy: imported silicon thin film transducer, accuracy can reach 0.1% of real reading, better than 0.1% of F.S.(full-scale), far accurate than Pirani resistance vacuum gauge(general error is 10%-15%)
Partial Pressure: P/P_o controllable accuracy range is 5x10^-6-0.995
Ultimate Vacuum: 4x10^-2Pa (3x10^-4Torr)
Vacuum Pump: built-in bipolar vacuum pump controlled by patented software which can auto control pump’s start/stop  
Sample Types: powders, particle, fiber, flakes and other materials
Adsorbate Gas: high purity nitrogen (≥99.999%), Ar, Kr, CO, CO2 etc. non-corrosive gases area optional
Data Acquisition: high-precision and high integration data acquisition modules, minimal errors, strong anti-interference ability
Data Reduction: Windows®-based independent developed Gold APP software^TM, perfect versatility, produced full featured and multi-model reports
 
V-Sorb 2800P surface area and pore size distribution analyzer features
A: Vacuum System
1. Unique integral manifolds system, decrease connecting points apparently, reduce leak rate, improve ultimate vacuum.
2. Modularity design can configure as customer requests, benefits future functions extension and instrument maintenance.
3. Germany imported bipolar vacuum pump, low noise, stable working, oil-return prevention; ultimate vacuum can reach 4x10^-2Pa (3x10^-4Torr).
B: Control System
1. Industry used programmable solenoid valve system, strong anti-interference ability, convenient for installation and uninstallation.
2. Separated analysis and treatment manifolds can prevent foreign matter to contaminate manifolds in sample treatment.
C. Measures for Improving Accuracy
1. Imported silicon thin film capacitive pressure transducer, accuracy can reach 0.1% of real reading, better than 0.1% of F.S. (full-scale).
2. 0-10Torr (optional) and 0-1000Torr dual transducers, sectional measurement in pressure range can reduce errors in low vacuum, 0-10Torr silicon thin film transducer is highly accurate than Pirani resistance vacuum gauge (general error is 10%-15%).
3. Unique monolithic manifolds system, decrease connecting points and reduce leak rate apparently.
4. Original stepping coolant level control system, ensure the coolant level unchanged when compares with sample cells in the whole analysis process, completely eliminate the analysis errors caused by dead volume change.
5. Pioneered gas outlet and inlet control system can efficiently prevent sample splash in evacuation and gas inlet process, guarantee clean manifolds and sample weight unchanged, avoid zero and liner drifting caused by transducer’s macro-change.
D. Data Acquisition and Reduction
1. High precision and integration data acquisition module is easy to connect, minimal errors and strong anti-interference ability; standard 485 communication mode is good for analyzer’s applications extension and interconnection, can also conveniently switched to RS232 and USB modes.
2. Multi calculating methods for data reduction provides all-round sample analysis options; powerful data archiving and searching system helps a lot for data management.
 
V-Sorb 2800P surface area and pore size distribution analyzer application
1. Super micro powder, nanomaterials, particle and fiber shaped surface area analysis.
2. Product quality control for powder species related corporations.
3. Research institutes, universities for BET theory teaching.
4. Full cells, catalysts, additives, adsorbent, ceramics, magnetic materials, energy storage materials etc.
5. Other researches concern surface area performance.
 
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