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| Product Name | SMART SENSOR AS8909 Hydrogen Detector (diffusion type + pump suction type) | Bosean GQ-DX101-H2 Gas Detector |
| Product Price | In coming | $251.00 |
| Details | Details | |
| Model comparison | ||
| Usage Type | Portable | Fixed |
| Gas Quantity | Single gas | Single gas |
| Sensor Principle | Electrochemical Catalytic Bead NDIR | |
| Sampling Method | Diffusion Pumped | Diffusion |
| Detection gas | H₂ | Ex O₂ CO H₂S NH₃ Cl₂ SO₂ NO NO₂ H₂ HCl O₃ CO₂ HCHO |
| T90 Response Time | ≤30s | |
| Explosion-proof | Ex d (Flameproof) | |
| IP Rating | ||
| Data Output | 4-20mA RS485 | |
| Parameter comparison | ||
| Detect gas | H2 | |
| Range | 0~1000 ppm | 0~1000ppm |
| resolution | 1 ppm | 1ppm |
| Detection principle | Optical inspection | |
| Low alarm point | Yes. | |
| High alarm point | Yes. | |
| Alarm value setting | Yes. | |
| Alarm method | Sound, light, vibration | |
| Operating temperature | -10~50℃ | -10~40℃ |
| operating humidity | 15~95% RH | |
| power supply | 3.7V lithium battery | DC 24V +/- 15% |
| weight | 200 g | |
| dimensions | 120.2*64.5*38.3mm | |
