| Feature | Meso 300A | Micro 300B | Micro 300C |
| Adsorbed Gas | Non corrosive gases, such as N2, Ar, Kr, H2, O2, CO2, CO, NH3, CH4, etc. | ||
| Pressure Sensor at Analysis Station |
1000 torr, 3 | 1000 torr, 3; 10 torr, 1 (optional 2 or 3); 1 torr(0.1torr can be selected),1 (optional 2 or 3) |
1000 torr, 3; 10 torr, 3; 1 torr (0.1torr can be selected), 3 |
| Accuracy: ±0.15% (F.S.) | |||
| Pressure Sensor at P0 Station | 1000 torr,3 (Accuracy: ±0.15% (F.S.) |
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| Degas System | The standard configuration is 3 stations in-situ degassing, which can simultaneously degas 3 samples under vacuum heating; Another optional external 4-station vacuum heating degassing machine; |
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| Degas Temperature | Ambient to 400 ℃. Free to set up target temperature. | ||
| Cold Trap | 1 | ||
| Vacuum Pump | Two-stage rotary vane mechanical vacuum pump, the ultimate pressure is 6.7*10-2 Pa |
Two-stage rotary vane mechanical vacuum pump, the ultimate pressure is 6.7*10-2 Pa, optional turbo molecular pump |
Turbo molecular pump (ultimate pressure 10-8 Pa) and front mechanical vacuum pump (ultimate pressure is 6.7*10-2 Pa) |
| Analysis Port | Samples on the 3 analysis bits can be tested at same time (including P0 test). | ||
| Test Principle | Gas adsorption by static-volumetric analysis | ||
| Measurement Range of Specific Surface Area |
0.0005 m2/g to the infinity; Standard sample repeat accuracy is less than ± 1.0% |
0.0001m2/g to the infinity; Standard sample repeat accuracy is less than ± 1.0% |
0.0001m2/g to the infinity; Standard sample repeat accuracy is less than ± 1.0% |
| Test Range of Pore Diameter | 0.35 nm-500 nm; Pore dimension repeatability is less than 0.2 nm in the accurate analysis of materials with pore size greater than 2 nm | 0.35 nm-500 nm; Pore dimension repeatability is less than 0.02 nm in the accurate analysis of micropore 0.35 nm-2 nm | 0.35 nm-500 nm; Pore dimension repeatability is less than 0.02 nm in the accurate analysis of micropore 0.35 nm-2 nm |
| Minimum Pore Volume | 0.0001 cm3/g | ||
| Range of Relative Pressure P/P0 | 10-5-0.998 | 10-6/10-8-0.998 | 10-8-0.998 |
| Overall Dimension | Depth: 870 mm; width: 570 mm; height: 890 mm; weight: 80 Kg -90 Kg | ||
| Ambient Temperature | 15-40 oC | ||
| Related Humidity | 30%-60% | ||
| Electrical Supply | AC220 V ± 20 V, 50/60 HZ, maximum power 300W; | ||
