The Jingwei Gaobo dual station high-efficiency static aperture analyzer has also been awarded the testing certificate, ISO9001 certification, and CE certification by the China Institute of Metrology.

Product Introduction: A fully automatic analyzer for surface area and pore size, consisting of two independent workstations that do not interfere with each other. The testing efficiency is doubled, and the cost-effectiveness is high. It is suitable for rapid detection of mesoporous and macroporous materials.

Performance parameters:

Instrument model: JW-BK222 Dual Station High Efficiency Static Aperture Analyzer

Principle and method of dual station high-efficiency static aperture analyzer: gas adsorption method, static capacity method;

Dual station high-efficiency static aperture analyzer testing function: isothermal adsorption desorption curve; Single point and multi-point BET specific surface area; Langmuir specific surface area; Surface Area (STSA); Single point adsorption total pore volume and average pore size; Analysis of BJH mesoporous macropore volume and pore size distribution; T-plot method, AS plot method, DR method, MP method for routine analysis of micropores; Estimation of average particle size; Special function: NLDFT method for pore size distribution analysis; Accurate testing of true density; Gas adsorption capacity and adsorption heat testing; Quality input method testing;

Dual station high-efficiency static aperture analyzer tests gases such as nitrogen, oxygen, hydrogen, argon, krypton, carbon dioxide, methane, etc;

Dual station high-efficiency static aperture analyzer testing range: specific surface area 0.005 (m2/g) - to no upper limit; Mesoporous and macroporous analysis at 2nm-500nm;

Conventional analysis of micropores: 0.35nm-2nm; Total pore volume 0.0001c/g - to no upper limit;

Double station high-efficiency static aperture analyzer repeatability accuracy: specific surface area ≤± 1.0%; External surface area ≤ ± 1.5%* Can be several apertures ≤ 0.02nm; True density ≤± 0.04%

Testing efficiency of dual station high-efficiency static aperture analyzer: average specific surface area of 15 minutes per sample; Mesoporous and macroporous analysis takes an average of 2-3 hours per sample;

Dual station high-efficiency static aperture analyzer analysis station: 2 independent sample analysis positions, capable of conducting sample testing simultaneously; Each analytical position is equipped with two separate 3L or 1L vacuum glass inner Dewar flasks;

Dual station high-efficiency static aperture analyzer P0 position: Each sample analysis position is equipped with independent P0 tubes, totaling 2, controlled by separate imported dual pressure sensors, completely separated from the analysis position, which can measure the saturated vapor pressure of nitrogen in real time and accurately, and participate in theoretical calculations in real time;

Dual station high-efficiency static aperture analyzer lifting system: Two sample analysis positions are equipped with two independent lifting systems in situ, electrically controlled and automatically controlled, and do not interfere with each other;

Dual station high-efficiency static aperture analyzer vacuum system: all stainless steel multi-channel parallel vacuum pumping pipeline system, vacuum pumping speed fine adjustment valve system * * technology, can automatically adjust within the range of 2-200ml/s;

Dual station high-efficiency static aperture analyzer vacuum pump: external imported two-stage rotary vane mechanical vacuum pump, automatic anti oil return, ultimate vacuum degree of 4-6.7 * 10^-2Pa；

Dual station high-efficiency static aperture analyzer degassing system: modular design of in-situ and off-site vacuum degassing pretreatment system. Standard configuration includes 2 sets of same position degassing systems, 2 independent heating packs, and 2 sets of independent temperature control meters, all of which can be programmed for temperature control, with up to 10 heating steps; An external ectopic 4-position vacuum degassing system can also be optionally selected;

Dual station high-efficiency static aperture analyzer degassing temperature: room temperature -400 ℃, accuracy ± 1 ℃;

Dual station high-efficiency static aperture analyzer pressure sensing: original imported silicon thin film capacitive multi pressure sensor, 1000 torr (133.3KPa), accuracy ≤± 0.15%;

Dual station high-efficiency static aperture analyzer voltage division range: The accurate and controllable range of P/Po is 10-4-0.998, and it can measure over 1000 points;

Dual station high-efficiency static aperture analyzer pressure control: Balanced pressure intelligent control method, pressure controllable interval<0.1KPa, adsorption * * pressure point can be automatically controlled;

Dual station high-efficiency static aperture analyzer data acquisition: Ethernet data acquisition, fast acquisition speed, high accuracy, compatible with Windows 7/XP 32/64 bit systems;

Product features:

1. The independently designed and domestically unique all stainless steel multi-path parallel vacuum pipeline system, with vacuum pumping speed fine adjustment valve system * * technology, realizes automatic adjustment of slow and fast pumping speeds, with a range of 2-200ml/s;

2. Standardized and leak free modular chamber design reduces the dead volume of the external air chamber (manifold), and the external air chamber is completely isolated from the intake and extraction pipeline system, greatly improving the pressure holding performance of the instrument and realizing the control system of * *;

3. The entire system adopts original imported non heating solenoid valve control, completely eliminating measurement errors caused by the heating of the solenoid valve body, with fast response speed, and effectively solving the problem of reverse air leakage that may be caused by solenoid valve control. The design is clever and the technology is advanced;

4. Using high-precision temperature sensors to measure the internal temperature of the dead volume in real time and accurately, and introducing real-time calculations when calculating gas adsorption capacity, greatly improves the accuracy, precision, and stability of the test results. Domestic technology has reached international standards;

5. Use helium gas for fully automatic and accurate measurement of cold free space, and the measurement technology fully complies with international and national standards. At the same time, our company independently developed the new technology of "Quality Input Method" in 2012, which can measure free space without helium gas, and the test results fully meet the standard requirements. The technical level is domestic * * and has reached the international advanced instrument level;

6. "Comprehensive technology for constant liquid level control of vacuum interlayer" in China, completely equivalent to "isothermal clamp" technology;

The combination of the "external anti splash system" and the "stepped" anti splash control program can effectively prevent contamination of important components such as pipelines, valve bodies, and pressure sensors caused by ultrafine powder extraction, effectively reducing the maintenance and repair costs of the instrument;

8. The "Pcd/Pd Balanced Pressure Intelligent Control Method" technology has been developed, and a 6-stage optimization setting method for testing pressure has been created. The pressure interval range can be set from 0.1-133KPa, which can be flexibly set to achieve low-pressure precision testing and automatic pressure adjustment, making the entire testing process more refined, rational, and efficient;

9. The P0 system has a unique design that is innovative, rational, stable, and real-time;

10. The data acquisition module adopts international advanced brands, Ethernet interfaces, in line with the world's technological development direction, with higher accuracy, integration, small errors, strong anti-interference ability, and zero faults. One computer and one set of software can control multiple instruments simultaneously and remotely;

11. Fully independently developed genuine software * * technology, accurate application of more than ten physical models such as BET/BJH/t-plot/MP/DR/HK/SF/DFT, in line with international * * standards, is a domestic * * manufacturer that can comprehensively and correctly master external surface and aperture analysis technology;

12. A domestic manufacturer that has passed technical appraisal for the first time, has obtained technical appraisal from authoritative experts led by the China Association for Analysis and Testing under the supervision of the Ministry of Science and Technology, has been awarded the EU CE certification honor enterprise, has obtained nearly 20 product certificates and proprietary software copyright certificates, and all products have been certified by the China National Institute of Metrology.

Application areas:

● Rubber material

Chemical raw materials such as carbon black, white carbon black, calcium carbonate, zinc oxide, titanium dioxide, silica gel, and silicon oxide;

● Battery materials

Lithium cobalt oxide, lithium manganese oxide, lithium iron phosphate, graphite, ternary materials, separators and other electrode positive and negative electrode materials;

● Catalyst materials

Catalyst materials for petrochemical, chemical, fine chemical, pharmaceutical, food, agriculture and other fields;

● Food additives

Food additives such as starch, activated clay, and bentonite;

Magnetic materials

Magnetic powder materials such as iron oxide, ferrite, and manganese oxide;

● Adsorbent

Various adsorbents such as activated alumina, molecular sieves, zeolites, activated carbon, etc;

Nanomaterials

Nano ceramic powders (alumina, zirconia, yttrium oxide, silicon nitride, silicon carbide, etc.), nano metal powders (silver powder, iron powder, copper powder, tungsten powder, nickel powder, etc.), nano polymer materials, carbon nanotubes and other nano materials;

● Other applications

Special materials such as ultrafine fibers, porous fabrics, composite materials, ores, soils, mud, sediments, suspended solids, and special paper.

Professional and authoritative developer of dual station high-efficiency static aperture analyzer

Professional research and development of specific surface area, specific surface area, specific surface area analyzer, specific surface measuring instrument, true density meter, true density tester, specific surface area tester, specific surface area measuring instrument, specific surface and pore size analyzer, specific surface area analyzer, pore size analyzer, pore size distribution, porosity analyzer, porosity analyzer, specific surface and porosity measuring instrument, pore volume measuring instrument, physical adsorption instrument, etc.