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| Product Name | SMART SENSOR AS8900 Gas Detector | Bosean BH-4 Portable 4 in 1 Gas detection alarm instrument |
| Product Price | $288.00 | In coming |
| Details | Details | |
| Model comparison | ||
| Usage Type | Portable | Portable |
| Gas Quantity | Multi-gas | Multi-gas |
| Sensor Principle | Electrochemical Catalytic Bead | Electrochemical Catalytic Bead |
| Sampling Method | Diffusion Pumped | Diffusion |
| Detection gas | Ex O₂ CO H₂S | Ex O₂ CO H₂S |
| T90 Response Time | Others | ≤30s |
| Explosion-proof | ||
| IP Rating | ||
| Data Output | ||
| Parameter comparison | ||
| Detect gas | O2、CO、H2S、Ex | Hydrogen sulfide, carbon monoxide, oxygen, flammable gases |
| Range | Oxygen: 0~ 30% vol Carbon monoxide: 0~ 999ppm hydrogen sulfide: 0~ 500ppm Combustible gas: 0~ 100% LEL | EX: 0~100%LEL；O2: 0~30.0%vol；H2S: 0~100ppm；CO: 0~1000ppm |
| intrinsic error | <±0.1% | |
| Response Time | <50s | <30s |
| recovery time | <50s | |
| Sensor principle | electrochemistry | |
| Alarm mode | Sound, light. | |
| Operating temperature | -10~50℃ | -20℃~50℃ |
| Environmental humidity | 15~95%RH | |
| power supply | 3.7V lithium battery | |
| weight | 200g | 400 g |
| Standard outer box capacity | 24 | |
| Packaging Dimensions | 46*45.5*55mm | |
| gross weight | 19.5kg | |
| pump | optional | |
| Flow velocity of sampling pump | 0.5SCFH | |
| Battery model | KXD-N3310 | |
| display screen | Segmented LCD | 2.4 inch LCD display, resolution 320 * 240 |
| Maximum open circuit Voltage | ≤4.2V | |
| short circuit current | ≤3A | |
| Operating Current | 160mA | |
| Dimension | 120.20mmx64.50mmx38.30mm | |
