| Test Method | Infrared Absorption | Infrared Absorption | Coulomb Titration | Coulomb Titration |
| Sulfur Determination Range | 0.01% - 50% (can be extended to 100%) | 0.01% - 50% (can be extended to 100%) | 0.01% ~ 40% | 0.01% ~ 40% |
| Standards | ISO 19579, ASTM D4239, ASTM D1552, ASTM D3177, ASTM D5016 | ISO 19579, ASTM D4239, ASTM D1552, ASTМ D3177, ASTM D5016 | ISO 20336 | ISO 20336 |
| Sulfur Resolution | 0.001% | 0.001% | 0.001% | 0.001% |
| Analysis Time /sample | ≤110s | ≤120s | 180~210s | 180~210s |
| Preheating Time | ≤150min | ≤120min | ≤30min | ≤30min |
| Autoloader | 50 samples | No | 21 samples | No |
| Sample Weight | 100 - 500mg (100mg Recommended) | 100 - 300mg (100mg Recommended) | 10 - 110mg (50±5mg Recommended) | 10 - 110mg (50±5mg Recommended) |
| Working Temp | 1250°C - 1350°C | 1250°C - 1350°C | 1150°C (coal), 900°C (oil), 1190°C (cement) | 1150°C (coal), 900°C (oil), 1190°C (cement) |
| Heating Elements | Silicon Carbide | Silicon Carbide | Silicon Carbide | Silicon Carbide |
| Temp. Control Precision | ±1°C | ±1°C | ±1°C | ±2.5°C |
| Temperature Sensor | Thermocouple | Thermocouple | Thermocouple | Thermocouple |
| Voltage Requirement | 220V±10%, 50/60Hz (110V is also available) | 220V±10%, 50/60Hz (110V is also available) | 220V±10%, 50/60Hz (110V is also available) | 220V±10%, 50/60Hz (110V is also available) |
| Max. Power | 4.5kW | 4kW | 3kW | 3.5kW |
| Gas Requirement | 99.5% purity oxygen ≥1MPa | 99.5% purity oxygen ≥1MPa | Air | Air |
| Gas pressure | Oxygen(0.28±0.01)MPa Total Air Flow≥1MPa | Oxygen(0.28±0.01)MPa Total Air Flow≥1MPa | 14 to 45psig (1 to 3 bar) | 14 to 45psig (1 to 3 bar) |
| Sample Introduction and Discarding | Automatic | Manual | Automatic | Manual |
| Gas Flow Checking | Rotor flow meter | Rotor flow meter | Rotor flow meter | Rotor flow meter |
| Chemical Reagents | Dehydrite | Dehydrite | KI, KBr, Glacial acetic | KI, KBr, Glacial acetic |
| Humidity | ≤85% | ≤85% | ≤85% | ≤85% |
| Ambient Temperature | (15~30)°C | (15~30)°C | ≤40°C | ≤40°C |
| Operational Control | Windows®-based software on external PC | Windows®-based software on external PC | Windows®-based software on external PC | Windows®-based software on external PC |
| Operation Cost | Oxygen consumption lowered by intelligent gas supplying system. Desiccant: Dehydrite which is of higher cost | Oxygen consumption lowered by intelligent gas supplying system. Desiccant: Dehydrite which is of higher cost | Lower cost Desiccant: allochroic silicagel | Lower cost Desiccant: allochroic silicagel |
| Dimensions | 860 x 670 x 630mm | 760 x 434 x 752mm | 890 x 610 x 410mm | 680 x 520 x 395mm |
| Weight | 135kg | 80kg | 80kg | 78kg |
| Advance Calculation | Yes | Yes | Yes | Yes |
| Analysis Report | Yes | Yes | Yes | Yes |
| Statistics Report | Yes | Yes | Yes | Yes |
| System Monitor | Yes | Yes | Yes | Yes |
