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Dah Chong Hong Scientific Instruments Co., Ltd.

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BrandMicrotrac
OriginJapan
ModelBELSORP MINI X
Instrument TypeSpecific Surface Area and Pore Size Analyzer
PrincipleStatic Volumetric Gas Adsorption (Combined with Dynamic Pre-evacuation)
Analysis Stations4
Surface Area Range≥0.01 m²/g (no upper limit)
Pore Size Range0.35–500 nm
Pressure Range0–133.3 kPa
Measurement TheoryStatic Volumetric Method + Advanced Free Space Monitoring (AFSM™)
Compliance OptionsFDA 21 CFR Part 11, IQ/OQ Documentation Package Available
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BrandMicrotrac
OriginJapan
ModelBELSORP MR1
Instrument TypeSpecific Surface Area and Pore Size Analyzer
PrincipleDynamic Gas Flow Adsorption Method
Analysis Stations1 Pre-treatment Station, 1 Analysis Station
Surface Area Range>0.01 m²/g
Pressure Range0.30 (standard), 0.02–0.9 (upgraded)
Adsorptive GasesHe/N₂ or He/Kr mixtures
Pretreatment TemperatureRoom Temperature to 400 °C
Repeatability<±1%
Measurement Time per Sample~10 min (analysis only)
Compliance OptionFDA 21 CFR Part 11 & 3Q Validation Support
Control InterfaceIntegrated Touchscreen (standalone operation)
DimensionsW350 × D368 × H553 mm
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BrandMicrotrac
OriginJapan
Manufacturer TypeAuthorized Distributor
Origin CategoryImported
ModelBELSORP MAX G
Instrument TypeSpecific Surface Area and Pore Size Analyzer
Measurement PrincipleVolumetric Gas Adsorption (Dynamic & Static Mode)
Number of Analysis Stations3 or 6
Operating Temperature Range10–35 °C
Storage Temperature Range0–50 °C
Temperature Control Accuracy±1 °C
Vacuum SystemDual-stage rotary vane pump, ultimate vacuum ≤1 × 10⁻³ mmHg (≤0.13 Pa)
Pressure Sensors1 Torr, 10 Torr, and 1000 Torr high-precision capacitance manometers
Minimum Detectable Pressure Change<1 × 10⁻⁵ Pa
Free Space CalibrationAFSM™ (Automatic Free Space Measurement) patented technology
Isotherm RangeP/P₀ = 1 × 10⁻⁷ to 0.997 at 77 K (N₂) and 87 K (Ar)
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BrandPorometer
OriginGermany
Manufacturer TypeAuthorized Distributor
Origin CategoryImported Instrument
ModelPOROLUX Cito Series
Price RangeUSD 14,000 – 140,000
Instrument TypeSpecific Surface Area and Pore Size Analyzer
Flow Range200 L/min
Pressure Range35 bar (500 psi)
Measurement PrincipleGas-Liquid Displacement Method (Capillary Flow Porometry)
Repeatability≤1%
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KeyBrand: Porometer
OriginGermany
ModelPOROLUX Revo
Measurement PrincipleCapillary Flow (Gas-Liquid Displacement)
Max Flow Rate200 L/min
Pressure Range35 bar (500 psi)
Repeatability≤1%
Minimum Pore Size13 nm
Instrument TypeSpecific Surface Area and Pore Size Analyzer
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