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| Product Name | SMART SENSOR AS8903A Hydrogen sulfide Detector (diffusion type + pump suction type) | KORNO GT-903-Y4(CO,H2S,O2,EX) Gas Detector |
| Product Price | In coming | $469.00 |
| Details | Details | |
| Model comparison | ||
| Usage Type | Portable | Portable |
| Gas Quantity | Single gas | Multi-gas |
| Sensor Principle | Electrochemical | Electrochemical Catalytic Bead NDIR |
| Sampling Method | Diffusion Pumped | Pumped |
| Detection gas | H₂S | Ex O₂ CO H₂S |
| T90 Response Time | ≤20s | |
| Explosion-proof | Ex ia (IS) | |
| IP Rating | IP65 | |
| Data Output | ||
| Parameter comparison | ||
| Detect gas | H2S | CO、H2S、O2、EX |
| Range | 0~500 ppm | 0~1000ppm，0~100ppm、0~30%vol、0~100%LEL |
| resolution | 1% | 0.1ppm，0.01ppm，0.01%vol |
| Detection principle | electrochemistry | |
| Low alarm point | Yes. | |
| High alarm point | Yes. | |
| Alarm method | Sound and light double alarm | |
| 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*64*38mm | |
