V-Sorb 4800 surface area and porosimetry analyzer introduction
V-Sorb 4800 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 4800 easily ensure your
investment profits and flexible equipped peripheral can satisfy different
users’ requirements.
V-Sorb 4800 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 surface area
Measuring Ranges: 0.01m2/g to no known upper limit (surface
area)
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 and life
Sample Ports: 4 samples analyzing and 4 samples degassing concurrently
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)
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%)
Partial Pressure: P/Po controllable 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 reports
V-Sorb 4800 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 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 0.1% of real reading, better than 0.1% 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 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 4800 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.
Contact info:
Email:
sales@jinaipu.com
Tel.: 0086-10-82133318 Ext.810
Fax: 0086-10-82118197
Mobile: 0086-18210009838
IMs:
Skype: Gold-APP-Instruments
