Automatic Surface Area and Porosimetry Analyzer

Automatic Surface Area and Porosimetry Analyzer

Application Fields

Battery materials: graphite, lithium iron phosphate, lithium manganate, lithium cobalt oxide, ternary materials and other positive and negative materials.

Petrochemical Industry: carbon black, white carbon black, titanium dioxide, alumina, molecular sieve catalyst, resin, carbon fiber, etc

Medicine: montmorillonite powder; Magnesium stearate, micro powder silica gel, talc and other lubricants; Diluents such as starch and sugar; Aluminum hydroxide and other pharmaceutical excipients

Environmental protection materials: pine, activated carbon, bamboo charcoal, chemical carbon, zeolite molecular sieve, etc

Nano materials: MOF materials, carbon nanotubes, graphene, etc

Other powder and granular materials: magnesium oxide, zirconia, calcium oxide, metal powder, ceramics, mineral powder, etc

Key Performance Indicators

Test function：static volumetric principle, adsorption/desorption isotherms measurement,single and multi-point BET method,Langmuir method, BJH total pore volume and pore size distribution analysis,DR and DA filling theory, t-plot external surface area measurement,true density measurement;powerful online data analysis system and specific surface area and pore size distribution test system to ensure more stable and accurate test data.

Test ranges：0.0005 (m2/g)above(specific surface area);2nm-500 nm(pore size);0.35nm-2nm（pore volume).

Test accuracy：specific surface area repeatability error ≤±1.0%.

Sample number：two samples Alternating tested and three samples’ degassing treatment,the sample testing system and sample processing system are independent; sample testing and sample processing can be carried out simultaneously, avoiding the contamination of the test pipeline, further ensuring the accuracy of the test and improving the service life of the instrument.

Test mode：integrated "Single nitrogen test mode" and "Nitrogen + helium standard test mode", for customers to choose according to actual needs;using "Nitrogen + helium standard test mode" in line with international standards, can ensure the accuracy and consistency of results, and easy to operate;  for samples that can adsorb helium at low temperature, helium gas is not suitable for determination of free space,"Single nitrogen test mode" can get the desired test results.

Test gas：high purity N2gas or other (Ar, Kr are optional).

Vacuum pump：imported two-stage vacuum pump can be external and built-in; the built-in vacuum pump can be automatically controlled by the software according to the experimental needs, so as to extend the life of the vacuum pump.

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.

Partial Pressure: P/Po controllable accuracy range is 10-5-0.998.

Pressure measurement：theoriginal imported high-precision silicon film pressure sensor measures the pressure, which significantly improves the test accuracy,3 Bar and 1 Torr,pressure sensor 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 0.2% of the actual reading, better than 0.2% 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：V -Sorb 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.

	1. Embedded test computer, safe and stable, 10 inch capacitive touch screen, tablet control experience.
	2. 2 sample pipe joints and 1 P0 pipe joint for each test module，P0 pipe can be used for specific surface area test with high cost performance.
	3. The safety protective door can prevent safety accidents caused by accidental contact with low-temperature liquid nitrogen and eliminate the impact of environmental factors on the test.
	4. Independent 2 sample processing ports can be carried out simultaneously with sample test to improve test efficiency.
	5. 4L stainless steel inner Dewar bottle overcomes the fragile defect of glass Dewar bottle，high thermal insulation ensures continuous test requirements for more than 72hs.
	6. Ball screw integrated lifting system, controlled by stepping motor, overcomes the shortcomings of ordinary screw type, such as easy to get stuck.

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.

 Skype : amywangbest86

 Whatsapp/Phone number : +86 181 2071 5609