Test accuracy: High test accuracy and good reproducibility. Repeatability error is less than ±1.5%;
Test range: 0.01m2/g or more than the surface, micropores: 0.35-2nm, mesopores: 2nm-50nm, macropores: 50nm-500nm; sample type: powder, granule, fiber and sheet material can be loaded into the sample tube s material.
P0 test: With independent saturated vapor pressure (P0) test station, to ensure high accuracy of partial pressure test, [domestic only]
Sample test: With 1 independent test station sample processing: 2 sample pretreatment degassing stations, 2 degassing stations with independent temperature control, and independent timing function, can support different temperatures and different times synchronized with the test Sample degassing treatment;
Processing mode: It has the only two functions of “normal heating vacuum molecular diffusion mode†and “molecular replacement modeâ€; the molecular replacement mode can increase the efficiency of molecular diffusion mode by more than 1 time, which can save more than half of the pretreatment time. Solve the problem of long static sample preparation time in the past. [Domestic only]
Test efficiency: Intelligent gas production control, medium and small adsorption sample 2-3min/1 partial pressure point, medium and large adsorption sample 3-5min/1 partial pressure point; BET multi-point method 15-30min/4 samples; BET Single point method 6-10min/4 samples; standard pore size test 240-300min/4 samples; fine pore size test 300-600min/4 samples; the above test time does not include sample pretreatment time;
The patents for static volumetric ratio surface and porosity analyzers are as follows:
1> Patent name: Purification pretreatment device for static law ratio surface and porosity analyzer Patent No.: ZL201120136943.9
It has the only two optional functions of “normal heating vacuum molecular diffusion mode†and “molecular replacement modeâ€; the molecular replacement mode can increase the efficiency of molecular diffusion mode by more than 1 time, which can save more than half of the pretreatment time and solve the static in the past. The problem of long sample preparation time.
Role: improve sample pretreatment efficiency
2> Patent Name: Saturated Vapor Pressure Test Device for Static Method Surface and Porosity Tester Patent No.: ZL201120136959.X
The utility model discloses a saturated vapor pressure testing device for a static method specific surface and aperture analyzer. The test device includes a tube immersed in liquid nitrogen; and the test device is directly mounted on the static aspect surface and aperture analyzer in the same liquid nitrogen cup as the sample tube. Through the test device, the saturated vapor pressure P0 value can be directly measured, the intermediate part of the test is reduced, and the accuracy of the test result is improved.
Role: to ensure the high accuracy of the partial pressure test,
3> Patent Name: Static Law Surface and Porosity Tester Appearance Patent No.: ZL201030177578.7
Static capacity method than the surface and porosity tester manufacturer:
Bestech Instrument Technology (Beijing) Co., Ltd. is the earliest professional company engaged in research, development, production and sales of nitrogen adsorption specific surface area instruments. It is a high-tech enterprise recognized by Beijing Zhongguancun Science and Technology Park.
With ten patented technologies for improving the accuracy and stability of the instrument, it is the most patented company in the same industry in China. The top technical team provides the company with strong R&D and innovation capabilities.
In 2012, it stood out among hundreds of thousands of companies and was selected by the Ministry of Science and Technology as a technology-based SME technology innovation fund support enterprise. Special funds were invested in the research and development and updating of instruments, which brought the company's development to a new stage.
With nearly 1,000 users, including many universities, research institutes and famous companies, instrument sales have been leading for many years.
? In 2009, the ISO9001-certified production enterprise has a complete sales, training and service system, and an efficient and professional team guarantees to provide customers with quality equipment and first-class service.
? Assembly valve and piping design, modular assembly, to ensure high vacuum and high sealing performance, is a typical product with high performance and high stability.
Professional and perfect after-sales service system, providing 24-hour telephone consultation, on-site service within 48 hours, Beijing, Shanghai, Guangzhou have service agencies to provide users with the best quality service.
Overview of THE LVDS interface
LVDS, Low Voltage Differential Signaling, is a Low Differential signal technical interface. A digital video signal transmission method is developed to overcome the disadvantages of high power consumption and EMI electromagnetic interference when transmitting wideband high bit rate data in TTL level mode. The LVDS output interface USES a very low voltage swing (about 350mV) to transmit data through differential on two PCB routing lines or a pair of balanced cables, i.e. low-voltage differential signal transmission. LVDS output interface enables signals to be transmitted at a rate of several hundred Mbit/s on differential PCB lines or balanced cables. Low voltage and low current driving modes enable low noise and low power consumption.
Composition of THE LVDS interface circuit
In LCD, THE LVDS interface circuit consists of two parts: the LVDS output interface circuit on the motherboard side (LVDS transmitter) and the LVDS input interface circuit on the LCD panel side (LVDS receiver). The LVDS transmitter converts TTL signals into LVDS signals, and then sends the signals to THE LVDS decoder IC of LVDS receiver on the LCD panel side through a flexible cable (cable) between the driver panel and the LCD panel. The LVDS receiver then converts the serial signals into parallel SIGNALS of TTL level and sends them to the LCD panel timing control and the line and line drive circuit.
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