Product Name: Fully automatic static capacity method specific surface area and porosity analyzer
Product model; BETA206A
Product Category: Physical Analyzer
Performance parameters:
1. Test method: by means of gas adsorption principle, static vacuum capacity method.
2. Measurement range: specific surface area 0.0005 m2 / g (helium adsorption) to no upper limit. Aperture analysis range: 0.35 nm - 500 nm. Minimum pore volume detection: 0.0001 cc/g.
3. Measurement accuracy: Repeatability error <±1%.
4. BETA206A is equipped with 10 sensors, 1 way to P0 timely test to ensure the accuracy of P0, the other 6 ways to analyze 6 samples at the same time, can test the specific surface area and pore size distribution of 6 samples at the same time. (Note: Molecular pump can be installed)
5. Only need nitrogen to test, no helium (helium is expensive and not easy to buy), saving customers money.
6. Host function: By means of gas adsorption principle (typically nitrogen), adsorption and desorption isotherms are determined. Single point and multi-point BET specific surface area. Langmuir specific surface area determination. Particle size estimation and true density testing, porosity and porosity analysis. BJH mesoporous, macroporous analysis. T-plots micropore analysis and external surface area determination. As-plots total area of ​​micropores. MP method micropore analysis. Micro-hole DR theory, HK slit hole theory, SF cylindrical hole theory analysis, and DFT density function theory can be upgraded; including NLDFT theory. (Note: Molecular pump unit can be installed)
7. Technical advantages of BETA206A relative to other similar products in China:
1) Vacuum system: vacuum system designed by the Chinese Academy of Sciences vacuum treatment specialist for the BETA series, all stainless steel pipelines and internationally renowned vacuum solenoid valves, higher vacuum (up to 10-9 Torr), longer vacuum time . Configure high vacuum molecular pump 10-7pa (10-9Torr). P / P0 resolution up to 10-6.
2) Intelligent selection of multi-capacity space technology;
3) All stainless steel vacuum system connection seal adopts metal sealing technology;
4) The inner wall of the vacuum system is silver plated.
5) The vacuum system uses a vacuum protection layer technology on the outside of the test space.
6) Detection system: imported capacitive absolute pressure film pressure transmitter with an accuracy of 0.15%, (0-1 Torr---equivalent to 0-0.133KP, 0-10 Torr--- equivalent to 0-1.33KP, 0- 1000 Torr —— equivalent to 0-133.3kp) Up to 24-bit AD acquisition circuit to ensure data accuracy. You can test thousands of points.
7) The high-precision control valve makes the pumping and intake air very stable, and there is no sample splash.
8) Advanced patented technology for heating degassing and sample analysis in-situ without contaminating the sample analysis tubing. Sample pretreatment is more convenient and faster (with patented technology). Sample testing and processing can be performed at the same location for optimal degassing. At the same time, the sample is removed and removed, exposed to the air, affecting the adsorption capacity. Above the sample chamber, we use a three-way valve to subtly divide the test line and the heated degassing line into two, so that the impurities generated during degassing will not contaminate the test line and the vacuum gauge. This is our core. patented technology.
9) In addition, 6 independent heating degassing stations are designed, which are equipped with independent thermocouple vacuum gauges to detect whether the degassing is completed. It is possible to carry out heating degassing of 6 samples while analyzing the sample, thereby improving the working efficiency of the instrument. At certain times, customers can simultaneously heat up and down up to 6 samples. The heating temperature is 430 degrees.
10) Independent P0 tube ensures the accuracy of P0 value. P/P0 can reach 0.9995.
11) Long life cold trap: used to keep the vacuum system clean and free from degassing by-products.
12) BETA206A is equipped with a large-capacity liquid nitrogen dewar, which can guarantee 70 hours of unmanned operation. The BETA206A is also equipped with a liquid nitrogen isothermal jacket to ensure a constant temperature below the thermowell throughout the analysis. An automatic liquid nitrogen supplementation system can be added to perform sample testing for any desired length of time.
13) The real unattended, the instrument panel does not have any manual buttons, all operating procedures are controlled by the computer.
14) Wide range of analysis: specific surface area 0.0001 m2 / g (Kr measurement) to no upper limit. The pore size analysis was 0.35 nm to 500 nm. Minimum pore volume detection: 0.0001 cc/g. (Nitrogen adsorption, equipped with high vacuum system). Test accuracy can reach repeatability error <±1%.
15) BETA206A is equipped with 10 sensors, 1 channel is tested in time for P0 to ensure the accuracy of P0, and 6 channels are simultaneously analyzed for 6 samples. The specific surface area and pore size distribution of 6 samples can be tested simultaneously. (Note: Molecular pumps can be installed).
16) Only need nitrogen to test, no helium (helium is expensive and not easy to buy), saving customers money.
17) Absolute 6-way test sensor, testing 6 samples at the same time, double the test speed, and double the efficiency of domestic similar products. (Specific surface area of ​​6 25 minutes, pore diameter conventional 6 3.5 hours)
18) Adsorption analysis of N2, Ar, Kr, NH3, CO2, H2, CO, O2, methane, butane and other non-corrosive gases can be performed.
19) You can choose USB connection or network port connection mode. The network port connection can realize remote control of the instrument and remote diagnosis of faults. It can realize the operation of one computer and multiple devices through the router, saving resources for customers.
20) Optimized vacuum pump start-stop management system, the vacuum pump does not need to be in running state during the test, reducing noise, prolonging, and vacuum pump life.
21) Automatically restore the atmospheric pressure function to facilitate sample disassembly and ensure no sample splash.
22) Automatic high vacuum detection system to ensure that the test is carried out under high vacuum conditions to ensure the accuracy of the test results.
23) The automatic emergency treatment system can ensure that the instrument automatically returns to normal under sudden accidents such as sudden power failure and broken quartz tube.
24) Powerful database, storing up to dozens of test modes, customers can also build test models that are more in line with their own products according to their own needs, and more accurate testing of products.
25) After the power is turned off, the test system resumes function. In the analysis of specific surface area and pore size, the vacuum degassing process is quite long. When testing, sudden power failure, interrupting the test is a very painful and helpless thing. Not only does it lose data, it also delays the research process, and this feature is especially important at this time.
26) The instrument is equipped with high-precision regulated power supply, which has anti-interference, over-voltage, under-voltage protection, overload, phase loss and short circuit protection.
27) PDF electronic printing and Excel data export, as well as various theoretical data selection and printing. It is also possible to perform viewing and printing functions at different times, on the same sample, with the same test pattern data and distribution curve.
28) It is possible to carry out the Sino-British interface operation test and the Chinese-English interface print test report.
29) Applicable products: including measuring building materials, graphite, battery materials, zeolites, carbon materials, molecular sieves, alumina, soil, organic compounds and other powders, as well as various blocks, sheets, polymer fibers.
30) Advanced design concept: The design features of BETA series instruments, in addition to the appearance of the atmosphere, exquisite, the internal space is large, easy to repair, but also any basic configuration of the instrument can be upgraded to a higher configuration instrument.
31) The instrument software is powerful and includes all current data processing methods: single point and multi-point BET specific surface area. Langmuir specific surface area. Particle size estimation and true density testing, porosity and porosity analysis. Suction and desorption isotherm analysis. The pore volume of the BJH mesopores and macropores, the pore area to pore size distribution, the total pore volume, and the like. T-plots microwell analysis, as-plots microwell analysis, MP microwell analysis, etc. can be added. Micro-hole DR theory, HK slit hole theory, SF cylindrical hole theory analysis can be performed, and DFT density function theory can be added, including NLDFT.
32) Modular design, more favorable for instrument upgrade.
8. Overall size: 650X650X960.
9. Power supply: AC 220v ± 10%, current frequency 50 Hz, power is not more than 1000 watts
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