V-Sorb 2800 surface area and porosimetry analyzer introduction
V-Sorb 2800 is researched by Gold APP Instruments for surface area
and pore size testing by utilizing static volumetric principle.
Compared with other competitors analyzers, multi pioneered
technologies make its performance much better. Heighten accuracy
and consistence of results, enhance measurement stability, all
these lead to a leading level among global competitors. Equipment
designed from the user perspective and with fully automated
operation system, user-friendly interface makes it easy to learn,
imported accessories assure stability and prolong its life. High
cost performance of V-Sorb 2800 easily ensure your investment
profits and flexible equipped peripheral can satisfy different
V-Sorb 2800 surface area and porosimetry analyzer parameters
Analysis Method: static volumetric nitrogen adsorption principle
Versatility: Adsorption and desorption isotherms, Single and multi-point BET
surface area, Langmuir method surface area, Average particle
diameter estimation, t-plot external surface area, True density
analysis, BJH total pore volume and pore size distribution
analysis, t-plot method micropore analysis, MP micropore,
Dubinin-Radushkevich (DR) and Dubinin-Astakhov (DA) micropore
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 probe 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
Sample Ports:2 samples analyzing and 2 samples degassing concurrently
Pressure Measurement: imported sectional measuring dual pressure transducer, notably
improve the measuring accuracy at low P/Popoint, 0-1000Torr (0-133Kpa), 0-10Torr (0-1.33Kpa)
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
Partial Pressure: P/Pocontrollable accuracy range is 5x10-6－0.995
Ultimate Vacuum: 4x10-2Pa (3x10-4Torr)
Sample Types: powders, particle, fiber, flakes and other species
Adsorbate Gas: high purity nitrogen (≥99.999%), Ar, Kr, CO, CO2, C4H10 etc.
non-corrosive gases are optional
Data Acquisition: high-precision and high integration data acquisition modules,
minimal error, strong anti-interference ability
Data Reduction: Windows®-based independent developed Gold APP softwareTM, perfect versatility, produced full featured and multi-model
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 solenoid valve system, strong
anti-interference ability, convenient for installation and
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.
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 2800 surface area and porosimetry 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.