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| Product Name | Bosean CD4 Portable 4 in 1 Gas detection alarm instrument | GaoPin NGP40-M400 Portable multifunctional 4 in 1 Gas Detector |
| Product Price | $344.00 | 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 |
| Detection gas | O₂ CO H₂S Others | Ex O₂ CO H₂S |
| T90 Response Time | ≤20s | |
| Explosion-proof | Ex ia (IS) | |
| IP Rating | IP65 | |
| Data Output | RS485 | |
| Parameter comparison | ||
| Type | Portable | |
| Detect the amount of gas | A variety of gases | |
| Sensor principle | Electrochemistry & catalytic combustion | |
| Detect gas | Hydrogen sulfide, carbon monoxide, oxygen, Miscellaneous | CO, H2S, O2, combustible gases |
| Sampling method | Diffusion Type (optional external sampling pump) | Built-in pump suction measurement, flow 500 ml/min |
| Sensor support | Default: methane, O2, H2S, CO four gases | |
| default Range | Methane: 0.00~ 4.00%; O2:0~ 25.0%; H2S: 0~ 100ppm; CO: 0~ 1000ppm | |
| Default accuracy | Methane: 0.01% vol; O2:0.1% vol; H2S: 1 ppm; CO: 1 ppm | |
| detection error | Depending on the Sensor | |
| Concentration unit | PPM, mg/m ³,% VOL,% LEL (switchable) | |
| Response Time (T90) | Methane: not more than 20s; oxygen: not more than 35s; carbon monoxide: not more than 45s; hydrogen sulfide: not more than 45s | |
| language display | Switch between Chinese and English | |
| display technology | 2.0 inch LCD screen with 320 * 240 resolution | |
| Alarm feature | Alarm light: red LED flashing alarm, ≥ 20m; alarm sound: buzzer alarm ≥ 75dB; vibration alarm | |
| Alarm mode | Four ways of sound and light vibration display | |
| Alarm point | Methane: 1.00% CH4; Oxygen: 18.0% O2; Carbon monoxide: 24 ppm; hydrogen sulfide: 50 ppm | |
| Operating temperature | -20℃~50℃ | |
| Operating humidity | 0-95% RH (non-condensing, Humidity greater than 90% RH, need to be equipped with filtrate drying cylinder) | |
| Power supply method | 3.7V rechargeable lithium battery, Battery capacity 2000mAh | |
| charging time | Charging time is less than 7 hours, continuous work for more than 8 hours | |
| Sensor life | 2 years | Electrochemistry: 2~ 3 years; catalytic combustion: 3 years |
| data logging | 500 Data storage | |
| data transmission | USB interface data transmission, with PC software, alarm recording data query, export, easy to compare and analyze data changes | |
| Explosion-proof sign | Exib IIB T3 Gb | Exia II CT6 |
| shell material | ABS+PC | |
| Dimension | 130X67x30mm (length x width x thickness) | 160*70*28mm |
| weight | 400g | 300g |
