Brief introduction

V-Sorb 4800T four -station specific surface area analyzer is our self-developed surface area of the instruments, using the static volumetric method for the measurement principle . Compared to similar domestic products, a number of original technology adoption to make our products more perfect overall performance , accuracy and consistency of test results to further improve the stability of the testing process stronger, reached the international advanced level, some functionality beyond foreign products .

V-Sorb 4800T four -station surface area analyzers have a fully automated operation , user-friendly interface , easy to learn ; joint ventures or through the use of imported spare parts , greatly improving the reliability and service life. Improvement and strict product manufacturing and testing processes on the overall design of the product , to ensure that products more in line with actual needs of users , while the V-Sorb 4800T four -station specific surface area analyzer cost effectively protect the investment interests of users, and flexible product configuration to meet the different needs of different users .

Features
1) The original cartridge piping systems integration , the use of imported container line , significantly reducing pipeline connection point , greatly reducing the leak rate and improve the ultimate vacuum ;
2 ) modular design , integrated container line , the need to manually perform less connected components , which will help repair and replacement functions according to user needs to configure and upgrade , in favor ;
3 ) imported from Germany, two-stage vacuum pump , low noise , stable operation , anti-oil back to functional excellence , extreme high vacuum, up 4x10-2Pa (3x10-4Torr).
4) The use of industrial control systems , programmable controller solenoid valve control system , anti-interference ability , stability is greatly improved, installation and removal is very convenient;

5 ) The unique design of the test system and the sample line tubing separation structure effectively prevents the impurities generated in the process of sample contamination on the test pipeline .
6 ) High-precision and highly integrated data acquisition module, easy connection, the error is small , anti-jamming capability ; using industry-standard 485 model, is conducive to the expansion and interconnection equipment , can be easily converted to the desired RS232 and USB communication mode ;
7 ) a variety of theoretical models to provide users with a full range of materials analysis programs; powerful test data archived , query system , which will help the user data management.

Technical Parameters
Test function : nitrogen adsorption static volumetric method , single-point and multi-point BET specific surface area of law , Langmuir surface area method , t-plot method outside the specific surface area of the carbon black outer surface area method ;
Measuring range : 0.0005 (m2 / g) - to no upper limit (specific surface area ) ;
Accuracy: repeatability error ≤ ± 1.0%;
Vacuum system : V-Sorb original cartridge piping and solenoid valve control system, greatly reducing the tubing dead volume space, improve the sensitivity of the adsorbed gas detecting small changes to improve the resolution of specific surface area of the test ; the same cartridge pipeline reduces the connection point , greatly improving the sealing and equipment life;

Level Control : V-Sorb original liquid nitrogen surface control system to ensure full test sample tubes in liquid nitrogen surface relative position remains unchanged , the complete elimination of measurement error due to dead volume changes introduced ;
Measuring modes: "Single nitrogen " and " nitrogen + helium " the perfect combination of two test modes , flexible switching , to meet the needs of the different characteristics of the samples tested ;
Calibration gas: have the option of using He gas ( 99.999% ) cold free space volume calibration function , not just only have a " nitrogen + empty pipe " model calibration cold free space ;

Control system: PLC solenoid valve control system , high integration and anti-jamming capability , improve instrument stability and service life ;
Number of samples : four samples simultaneously analyzed and four sample degassing , the sample test systems and sample handling systems independent of each other , and sample test and sample degassing treatment can be carried out simultaneously , to avoid contamination of the test pipeline to further ensure test accuracy and improve the life of the instrument ;

Pressure measurement : using imported pressure sensors for measuring pressure, significantly increased at low P / Po -point precision, two 0-1000 Torr (0-133Kpa), a pressure sensor to detect the import certificate must be provided ;
Pressure accuracy: imports of silicon thin-film capacitive pressure sensor , an accuracy of 0.15% of the actual reading is better than 0.15% of full scale , well above the resistance Pirani vacuum gauge accuracy ( typically error of 10% -15 % ) ;
Partial pressure range : P / Po accurately controllable range up 5x10-6-0.998;
Ultimate vacuum : 4x10-2Pa (3x10-4Torr);

Vacuum pump : imported double -stage vacuum pump can achieve external and internal placement of two instruments , built instrument can be automatically controlled according to the experimental pump start and stop, thus extending the life of the vacuum pump through software ;
Sample Type : powder , granules , fibers and sheet-like materials ;
Test gas: high purity N2 gas ( 99.999% ) or other ( demand options such as Ar, Kr);
Data collection: high precision and high integration density data acquisition module, the error is small , strong anti-jamming capability ;
Data processing : Windows compatible data processing software, perfect function , simple operation , multi-mode data analysis, graphical data analysis reports.