3P micro 100


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3P micro 100

The 3P micro 100 is a fully automated volumetric sorption analyzer for measuring adsorption and desorption of nitrogen and other non-corrosive gases on one analysis station. The instrument can be fitted with a turbomolecular pump system and low-pressure sensors for micropore and krypton analysis. Depending on the customer, the instrument can be equipped with a mesopore station (A version) or a micropore station (C1 and C version). The analysis station is paired with a dedicated p0-cell with its own pressure sensor. Two separate degassing stations are installed on the 3P micro and can be run parallel to the analysis station.


  • 2 separate sample preparation stations with integrated cooling trap
  • easy upgrades to micropore capabilities
  • optional separate pump system for degasser available
  • besides Nitrogen, other adsorbates are possible such as CO2, Ar, Kr, H2, O2, CO, NH3, CH4 (10 gas ports)
  • Software-assisted presentation of isotherms and kinetic data (equilibrium pressure vs. Time)
  • static-volumetric analysis setup
  • State-of-the-art internal pressure regulators
  • Single-/Multipoint BET surface area (DIN 66131, ISO 9277)
  • Langmuir surface area
  • Adsorption and desorption isotherms
  • Total pore volume and average pore radius
  • NLDFT (density functional theory)
  • Mesopore size distribution according to BJH (DIN 66134) and DH method
  • Micropore analysis (DIN 66135) according to t-plot, Dubinin-Radushkevich, Horvath-Kawazoe and Saito-Foley method

Literature and Norms

/1/ Single-/Multipoint BET surface area (DIN 66131, ISO 9277)
/2/ Mesopore size distribution according to BJH (DIN 66134)
/3/ Micropore analysis (DIN 66135) according to t-plot or Dubinin-Radushkevich
/4/ STSA-surface area of carbon blacks according to ASTM D6556
/5/ PARTICLE WORLD 19; p. 34 – 35; “3P INSTRUMENTS as specialist in the field of adsorption”


  • external degassing unit for 4 stations
  • sample preparation in vacuum
  • max. degasser temperature: 400 °C
  • Temperature range 77 – 323 K
  • Temperature stability ± 0,004 K (standard deviation)
  • Easy-to-use software for data acquisition, display, analysis and archiving

Other Gas Adsorption Analyzers:

3P micro 200 2 Station Analyzer
3P micro 300 3 Station Analyzer
3P meso 112 1 Station Analyzer
3P meso 222 2 Station Analyzer
3P meso 400 4 Station Analyzer
3P sync series Up to 4 stations in one Dewar
3P surface DX 4 Station Analyzer


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