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AMI Surface DX

The AMI-surface DX represents a new affordable and fully automated high-throughput BET analyzer. Perform single and multi-point dynamic BET experiments in a fraction of the time of static methods. The AMI-surface DX is ideal for quality control. It can also be used in a wide range of industries from pharmaceuticals to oil and gas. The AMI-surface DX can run four samples and combines the benefits of flow BET with full automation.

Hardware & Operation

The AMI-surface DX is a fully automated dynamic BET instrument. The AMI-surface DX utilizes two mass flow controllers (MFCs) to automatically adjust the partial pressures of nitrogen. The 70mL/min and 30mL/min MFCs allow for precise blending which in turn results in highly accurate test results. The AMI-surface DX uses the adsorption peak for analysis and in doing so eliminates the error caused by slow or incomplete desorption of nitrogen from samples.

Through software control, the AMI-surface DX can automatically:

  • Adjust the partial pressure of nitrogen
  • Raise and lower the dewar
  • Zero the TCD
  • Determine equilibrium conditions
  • Save data to file for offline analysis
  • Calibrate adsorption data


Method:   Dynamic BET
Test:   Single or Multiple Point BET
Number of Stations:   4
Repeatability:   <= 1.0% on reference sample
Accuracy:   <= 2.0% (surface area dependent)
Dimensions:   25” x 20” x 27” (L x W x H)
Power:   110 volts
Degassing:   External


  • Catalyst Research
  • Pharmaceuticals
  • Battery Manufacturing
  • Oil and Gas
  • Building Materials
  • Paints and Plastics

Resources & Downloads

AMI Surface DX Enquiry

For more information or to arrange a call from one of the Crea Particle Science Team, please complete the contact form .  If your enquiry is urgent, please call us on 1300 552 725.

AMI Surface DX Enquiry








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