V-Sorb 2800S surface area analyzer introduction

V-Sorb 2800S surface area analyzer is researched and developed by Gold APP Instruments 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. Compared with other analyzers, multi pioneered techs make its performance much better, heighten accuracy and consistence of results, enhance measurement stability, all these lead to a leading level in international competitors.

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 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.

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)/ 0.0005m2/g (by krypton) to no known upper limit

4.     Accuracy: repeatability errors within 1%

5.     Vacuum System: V-Sorb unique monolithic manifolds and solenoid valve control system, greatly reduce the dead volume; improve the adsorbate micro-change sensitivity; decrease connecting points; strengthen sealing performance and prolonged instrument working life

6.     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

7.     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

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

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

10.  Pressure Measurement: imported sectional measuring dual pressure transducer, notably improve the measuring accuracy at low P/Po point, standard equips 1000Torr (0-133Kpa) transducer, 10 Torr is option

11.  Transducer Accuracy: imported silicon thin film pressure 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%)

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

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

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

15.  Sample Types: powders, nanoparticle, fiber, flakes and other materials

16.  Adsorbate Gas: high purity nitrogen (99.999%), Ar, Kr, CO, CO2, C4H10 etc. non-corrosive gases are optional

17.  Data Acquisition: high-precision and high integration data acquisition modules, minimal error, strong anti-interference ability

18.  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.

3.     Imported bipolar vacuum pump, low noise, stable working, oil-return prevention; ultimate vacuum can reach 4x10-2Pa (3x10-4Torr).

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.     10Torr (optional) and 1000Torr dual pressure transducers, sectional measurement in pressure range can reduce errors in low vacuum.

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 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.

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 analyzers 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.

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Our policy of continuous development may cause the information and specifications contained herein to change without notice or liability.