V-Sorb 2800 surface area and porosimetry analyzer introduction

V-Sorb 2800 is Gold APP self-developed surface area and porosity analyzer which utilizes static volumetric. Compared with other companies’ analyzers, multi pioneered techs make instrument’s performance much better, heighten accuracy and consistence of results, enhance measurement stability, all these lead to a leading level in domestic competitors and partial applications surpass foreign instruments. 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, sophisticated production and strict testing guarantee to meet customers’ real demands. The high cost performance of V-Sorb 2800 easily ensure your investment profits and flexible equipped peripheral can satisfy different users’ requests.



V-Sorb 2800 surface area and porosimetry analyzer parameters

1. Analysis Method: static volumetric nitrogen adsorption
2. Versatility: Adsorption and desorption isothermal curve analysis, Single and multi point BET method specific surface area analysis, Langmuir method specific surface area analysis, Average particle diameter estimation, T-plot method external surface area analysis, True density analysis, BJH total pore volume and pore size distribution analysis, T-plot method micropore analysis
3. Measuring Ranges: 0.01m2/g to no known upper limit (specific surface area)
4. 0.35 to 400nm (pore size)
5. Accuracy: repeatability errors ≤1.5%
6. Vacuum System: V-sorb unique assembling-installed manifolds and electromagnetically operated 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
7. Coolant Level Controller: V-sorb original 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
8. Analysis Types: N2 and N2+He two types available
9. Gas Dosing: Can choose He (99.999%) to dose the cold volume, not only “He+Empty cell” one type
10. 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
11. Control System: programmable controller electromagnetically operated valve system with high integration and strong anti-interference ability, enhance instrument’s stability and life
12. Sample Ports: two samples’ analyzing and two samples’ degassing concurrently
13. Pressure Measurement: imported sectional measuring dual pressure transducer, notably improve the measuring accuracy at low P/Po point, 0-1000Torr (0-133Kpa), 0-10Torr (0-1.33Kpa)
14. Transducer Accuracy: imported silicon thin film pressure transducer, accuracy can reach 0.15% of real reading, better than 0.15% of F.S.(full-scale), far accurate than Pirani resistance vacuum gauge(general error is 10%-15%)
15. Partial Pressure: P/Po controllable accuracy range is 5x10-6－0.995
16. Ultimate Vacuum: 4x10-2Pa (3x10-4Torr)
17. Sample Types: powders, particle, fiber, flakes and other species
18. Adsorbate Gas: high purity nitrogen（≥99.999%）, Ar, Kr etc. optional
19. Data Acquisition: high-precision and high integration data acquisition modules, minimal error, strong anti-interference ability
20. Data Reduction: Windows®-base independent developed Gold APP softwareTM, perfect versatility, produced full featured and multi-model reports

V-Sorb 2800 surface area and porosimetry 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 controller electromagnetically operated 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 0.15% of real reading, better than 0.15% 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 assembling-installed 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.

V-Sorb 2800 surface area and porosimetry analyzer application

1. Super micro powder, nanomaterials, particle and fiber shaped specific 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.