Products Description
Gas Adsorption Analyzer – Technical Specifications
Power Supply
Voltage: 100V~220V ± 10V
Frequency: 50/60Hz
Maximum Power Consumption: 300W
Connection: Grounded single-phase power socket
Physical Properties
Dimensions:
Length: 60 cm (23.6 inches)
Width: 48 cm (18.9 inches)
Height: 74 cm (29.1 inches)
Net Weight: 60 kg (132.3 lbs)
Accessories Weight: 30 kg (66.1 lbs)
Recommended Installation Area (L × W): 100 × 60 cm (excluding additional space for computer setup)
Functional Capabilities
Surface Area Measurement
BET surface area (single-point and multi-point)
Langmuir surface area
T-plot method:
External surface area
Total microporous surface area
BJH method:
Adsorption and desorption cumulative surface area
Pore Volume Determination
Single-point total pore volume
BJH adsorption/desorption cumulative pore volume
T-plot micropore volume
Average Pore Size Measurement
Adsorption average pore diameter
BJH adsorption/desorption average pore diameter
Most frequent pore diameter
Pore Size Distribution
BJH differential pore distribution: dV/Dr–D, dV/dlogD–D
BJH integral (cumulative) distribution
MP method micropore distribution
Technical Parameters
Technical Parameters
Test Principle: Static volumetric gas adsorption method
Analysis Models: BET, Langmuir, BJH, T-Plot, DR, MP, NLDFT
Measurement Range:
Surface Area: ≥ 0.005 m²/g (no upper limit)
Pore Size: 2–500 nm
Pore Volume: ≥ 0.0001 cc/g (no upper limit)
Test Gases: High-purity N₂ (default); Optional: Ar, Kr, CO₂, etc.
Analysis Ports: 2 independent analysis ports
Degassing Stations: 2
Sample Types: Powders, granules, fibers, flakes, and other materials
Sensors: Two high-precision pressure sensors (0–1000 Torr / 0–133 kPa)
Test Efficiency:
Multi-point BET surface area: ~12 min/sample
Pore size distribution (adsorption only): ~1.5 hrs/sample
Pore size distribution (adsorption & desorption): ~3.5 hrs/sample
Partial Pressure Range (P/Po): 4 × 10⁻⁵ to 0.998
Minimum Resolvable Relative Pressure: 5 × 10⁻⁵
Ultimate Vacuum: 4.0 × 10⁻² Pa (3 × 10⁻⁴ Torr)
Pressure Accuracy: ≤ ±0.15% Full Scale
Repeatability:
Surface Area: ≤ ±1.0%
Pore Size: ≤ 2 nm
Operation Mode: Fully automatic
