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| Product Name | SMART SENSOR AS8909 Hydrogen Detector (diffusion type + pump suction type) | KORNO GT-903-H2-Y Hydrogen Detector |
| Product Price | In coming | $412.00 |
| Details | Details | |
| Model comparison | ||
| Usage Type | Portable | Portable |
| Gas Quantity | Single gas | Single gas Multi-gas |
| Sensor Principle | Electrochemical Catalytic Bead NDIR PID Thermal Conductivity | |
| Sampling Method | Diffusion Pumped | Pumped |
| Detection gas | H₂ | H₂ |
| T90 Response Time | ≤20s | |
| Explosion-proof | Ex d (Flameproof) | |
| IP Rating | IP65 | |
| Data Output | Wireless Bluetooth | |
| Parameter comparison | ||
| Detect gas | H2 | H2 |
| Range | 0~1000 ppm | 0~500ppm |
| resolution | 1 ppm | 0.1ppm |
| 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℃ | -30~60℃ |
| operating humidity | 15~95% RH | |
| power supply | 3.7V lithium battery | 4000mA rechargeable polymer battery |
| weight | 200 g | |
| dimensions | 120.2*64.5*38.3mm | |
