BELSORP-max II


This instrument is BEL's high-end volumetric gas adsorption instrument. To obtain useful information about micropore, it is important to measure adsorption isotherm from low relative pressure with accuracy.

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  • The highest throughput instrument with simultaneous measurement of up to 4 samples.
  • New advanced function "GDO (Gas Dosing Optimization)". The best suitable measurement conditions are automatically set using saved customer's adsorption isotherm data.
  • An advanced system of direct evacuating and intelligent valve control reduces the measurement time significantly.
  • High precision vapor adsorption measurement under the strict temperature control.
  • High precision measurement by Advanced Free Space Measurement (AFSMTM)
  • LN2 automatic supplier and the dedicated heater enable fully automatic seamless process control from pretreatment to measurement.
  • The advanced GCMC method is featured, which enables to perform more precise and higher resolution PSD analysis considering the interaction of actual material surface and adsorbate molecules than the conventional NLDFT (approx. calculation) method.
  • The measurement process status and the results can be checked from new remote monitoring function using e-mail system

Measurement principle Volumetric method + AFSMTM
Adsorption gas/vapor N2, Ar, Kr, CO2, H2, O2, CH4, NH3, other non-corrosive gas
H2O, MeOH,EtOH, C6H6, other non-corrosive vapor
Analysis ports 4 ports + 1 dedicated P0 port
Measurement range Specific surface area:0.01m2/g or more(N2)、0.0005m2/g or more(Kr)
Pore size distribution(Diameter):0.35~500nm
Pressure transducer※ 133kPa(1000Torr)×6 units
1.33kPa(10Torr)×4 units
0.0133kPa(0.1Torr)×3 units
Thermostatic air oven 50℃
Gas port 2 (Available to add up to 12 ports)
Vapor port 1
Vacuum pump Rotary vacuum pump (or dry diaphragm pump)+Turbo molecular pump
Pretreatment heater (Option) 50~550℃ (4ports)
Full Automatic measurement heater※ 50~450℃ (3ports)
Water bath (Option) 5~70℃ (4ports)
Dimensions, weight 650(W)×1020(H)×680(D) 120Kg
Utility Gas
He,Adsorption gas:0.1MPa 1/8” Swagelok connection
Valve driving gas:0.5-0.6MPa 1/4” one-touch connection

Power
AC110/220V : 1500W (Main unit including rotary pump)
AC110/220V : 900W (Heater)

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