Analisador Automático de Área de Superfície e Porosimetria 

ESPECIFICAÇÕES

Campos de aplicação

Materiais de bateria: grafite, fosfato de ferro-lítio, manganato de lítio, óxido de cobalto de lítio, materiais ternários e outros materiais positivos e negativos

Indústria Petroquímica: negro de fumo, negro de fumo branco, dióxido de titânio, alumina, catalisador de peneira molecular, resina, fibra de carbono, etc.

Medicina: pó de montmorilonita; Estearato de magnésio, sílica gel em micropó, talco e outros lubrificantes; Diluentes como amido e açúcar; Hidróxido de alumínio e outros excipientes farmacêuticos

Materiais de proteção ambiental: pinho, carvão ativado, carvão de bambu, carbono químico, peneira molecular de zeólita, etc.

Nano materiais: materiais MOF, nanotubos de carbono, grafeno, etc.

Outros materiais em pó e granulados: óxido de magnésio, zircônia, óxido de cálcio, pó metálico, cerâmica, pó mineral, etc.

Indicadores de desempenho

Função de teste: princípio volumétrico estático, medição de isotermas de adsorção/dessorção, método BET de ponto único e multiponto, método Langmuir, volume total de poros BJH e análise de distribuição de tamanho de poros, teoria de enchimento DR e DA, medição de área de superfície externa t-plot, densidade real medição ； poderoso sistema de análise de dados on-line e área de superfície específica e sistema de teste de distribuição de tamanho de poros para garantir dados de teste mais estáveis ​​​​e precisos

Faixas de teste: 0,0005 (m2/g)～nenhum limite superior conhecido (área de superfície específica)；2nm-500 nm

Precisão do teste: erro de repetibilidade da área de superfície específica ≤±1,0%

Número da amostra: duas amostras testadas ao mesmo tempo e tratamento de desgaseificação de duas amostras, o sistema de teste de amostra e o sistema de processamento de amostra são independentes; o teste e o processamento da amostra podem ser realizados simultaneamente, evitando a contaminação da tubulação de teste, garantindo ainda mais a precisão do teste e melhorando a vida útil do instrumento

Modo de teste: integrado "modo de teste de nitrogênio único" e "modo de teste padrão de nitrogênio + hélio", para os clientes escolherem de acordo com as necessidades reais; usando "modo de teste padrão de nitrogênio + hélio" em linha com os padrões internacionais, pode garantir a precisão e consistência de resultados e fácil de operar ； para amostras que podem adsorver hélio em baixa temperatura, o gás hélio não é adequado para determinação de espaço livre ， O "modo de teste de nitrogênio único" pode obter os resultados de teste desejados

Gás de teste: N2gas de alta pureza ou outro (Ar, Kr são opcionais)

Bomba de vácuo: a bomba de vácuo importada de dois estágios pode ser externa e embutida; a bomba de vácuo embutida pode ser controlada automaticamente pelo software de acordo com as necessidades experimentais, de modo a prolongar a vida útil da bomba de vácuo

Vacuum system：stainless steel micro welding vacuum pipeline system，the vacuum pipeline is connected with all-metal VCR, which can minimize the dead volume space of the pipeline and maintain high vacuum for a long time；vacuum leakage rate up to1x10－10(Pa*m3/s)

Partial Pressure:P/Po controllable accuracy range is 10-4-0.998

Pressure measurement：theoriginal imported high-precision silicon film pressure sensor measures the pressure, which significantly improves the test accuracy，2 pcs 0-3 Bar（0-2250 Torr），pressuresensor can be provided with import inspection certificate; After the performance upgrade, the resolution of the high range pressure sensor is enhanced from 4 Pa to 1 Pa, and the pressure reading resolution is increased by 4 times，significantly improves the balance precision of adsorption saturation or desorption saturation, so as to improve the accuracy of test results and credibility

Pressure accuracy：the original imported high-precision silicon film pressure sensor’s accuracy is 0.15% of the actual reading, better than 0.15% of the full range

Pressure reading：pressure sensors in all ranges use RS485 or RS232 communication to read pressure values; compared with the traditional acquisition module for analog pressure data collection, the accuracy of digital pressure data collection is higher

Control system：pneumatic valve control system with high integration and anti-interference ability, improve instrument stability and service life

Calibration gas：the optional use of He gas for cold free space volume calibration function，not only the "nitrogen

+ empty tube" mode can be used to calibrate the cold free space

Protective measures：transparent plastic safety door can not only protect the safety of experimental personnel but also prevent the error and even interruption of experimental data caused by human error collision of liquid nitrogen cup and sample tube

Liquid level control：EASY-V’s original liquid nitrogen level control system ensures that the liquid nitrogen level remains unchanged relative to the sample tube during the whole test process, completely eliminating the measurement error introduced by the change of cold volume space

liquid nitrogen bottle：imported 4L stainless steel inner Dewar bottle is durable and not easily damaged，can be tested continuously for 72 hours without adding liquid nitrogen under the condition of no need to add insulation cover, which can fully meet the requirements of long-term testing of pore size

Date processing：Windows compatible data processing software has perfect functions and easy operation，multi

- mode data analysis, graphical data analysis results report

Advantages

High vacuum stainless steel micro welding pipeline system  The high vacuum micro welding pipeline system has compacted pipeline connection and small dead volume space  VCR interface parts with metal surface seal overcome the problem of self outgassing of O-ring seal under low vacuum  The supporting VCR interface pneumatic valve eliminates the measurement error caused by local heating of the electron magnetic valve  The electropolished method of pipe wall in the whole system ensures the air leakage rate to reach the requirements of 1 * 10-10 pa.m3/s under high vacuum
Digital pressure measurement and data acquisition system   The pressure and temperature sensor with digital output has twice the accuracy of similar products with analog output and stronger anti-interference ability   Industrial standard RS485 or RS232 communication mode, sensors are added on demand on the communication bus, with high scalability  The high-precision digital pressure sensor has a pressure output resolution of 1Pa, conducive to improving the test accuracy compared with the 4pa resolution commonly used in the same industry
Intelligent testing software  Integrated sample processing function in the test software can realize the complete automation of sample processing, can flexibly set the sample processing time, different processing temperature combination, sample processing delay and other functions, and can realize the automatic sample processing at night, improving the test efficiency  Data processing software has perfect functions and easy operation，user-friendly interface, detailed test data record, a variety of perfect data processing mode  The test software adopts Net software development platform of the advanced Microsoft technology with strong compatibility can automatically compatible with all and the future windows operating system
Comparable to international brand data accuracy and authority recognition Adopt the same instrument testing and acceptance standards of international well- known brands and ensure the test data in line with international standards; the measurement error dynamically eliminated by the software during the test, no secondary error elimination operation of data after the test, ensure the consistency and reliability of test results by different operators The product’s technology has got the certificate of scientific and technological achievements of the China Machinery Industry Federation reaching the international advanced level; the test data has been certified by several authoritative national measurement institutes and obtained the measurement recognition certificate Competed with international brands many products have entered the testing laboratories of European and American universities and won high recognition from customers

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