V-Sorb 2800S Surface Area Analyzer Introduction

V-Sorb 2800S surface area analyzer is researched and developed for single and multi-point BET (Brunauer-Emmett-Teller) specific surface area, also with Langmuir surface area and others related with SSA (specific surface area) by using static volumetric principle. 

Analyzers 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, sophisticated production and strict testing guarantee to meet customer real demands. High cost performance of V-Sorb 2800S BET surface area analyzer easily ensure your investment profits and flexible equipped peripheral can satisfy different users requests.

V-Sorb 2800S Surface Area Analyzer Specifications

1. Analysis Principle: static volumetric nitrogen adsorption

2. Testing Methods: adsorption and desorption isotherms, single and multi-point BET (Brunauer-Emmett-Teller) surface area, Average particle diameter estimation, t-plot external surface area, true density analysis, Langmuir surface area, carbon black (STSA-Statistical thickness surface area), adsorption constant C.

3. Measuring Ranges: 0.01 m²/g (by nitrogen)/ 0.0005 m²/g (by krypton) to no known upper limit

4. Accuracy: repeatability errors within 1%

5. 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

6. Sample Pretreatment: the whole pretreatment procedures are controlled by dedicated software, as well with a start time preset function which can realize unattended operation at night

7. Control System: programmable solenoid valve system with high integration and strong anti-interference ability, enhance instrument stability and life

8. Sample Ports: two samples analyzing and two samples degassing concurrently

9. Pressure Measurement: imported sectional measuring dual pressure transducer, standard equips 1000Torr (0-133Kpa) transducer, 10 Torr is option 

10. Partial Pressure: P/Po controllable accuracy range is 5x10^-6-0.998

11. Ultimate Vacuum: 4x10^-2 Pa (3x10^-4 Torr)

12. Vacuum Pump: built-in bipolar vacuum pump controlled by patented software which can auto control pumps start/stop  

13. Adsorbate Gas: high purity nitrogen (99.999%), Ar, Kr, CO, CO₂, etc. non-corrosive gases are optional

14. Data Reduction: Windows-based independent developed Gold APP Instruments software, perfect versatility, produced full featured and multi-model reports

V-Sorb 2800S Surface Area Analyzer Technical 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.

B: Control System

1. Industry type programmable solenoid valve system, strong anti-interference ability, convenient for installation and uninstallation.

2. Separated analysis and pretreatment manifolds can prevent foreign matter to contaminate manifolds during sample pretreatment.

C. Measures for Improving Accuracy

1. Imported silicon thin film pressure transducer, accuracy can reach 0.1% of real reading, better than 0.1% of F.S. (full-scale).

2. 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.

3. Pioneered gas outlet and inlet control system can efficiently prevent samples splash in vacuuming and gas inlet procedures, guarantee clean manifolds and sample weight unchanged, avoid zero and liner drifting caused by transducers macro-change.

V-Sorb 2800S Surface Area Analyzer Application Fields

1. Super micro powder, nano materials, nano-particles and fiber shaped specific surface area analysis.

2. Product quality control for powder, particles etc. materials related companies. 

3. Researching institutes, universities for BET (Brunauer-Emmett-Teller) theory teaching.

4. Fuel cells, catalysts, additives, adsorbent, ceramics, magnetic materials, energy storage materials etc. surface area data determination.

5. Other researches concern specific surface area performance.

multi-point BET surface area report