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| Product Name | Bosean BH-90A-NH3 Portable Gas Detector | Bosean BH-90M-NH3 Gas Detector |
| Product Price | In coming | $248.00 |
| Details | Details | |
| Model comparison | ||
| Usage Type | Portable | Portable |
| Gas Quantity | Single gas | Single gas |
| Sensor Principle | Electrochemical | Electrochemical |
| Sampling Method | Diffusion | Diffusion |
| Detection gas | NH₃ | NH₃ |
| T90 Response Time | Others | |
| Explosion-proof | Ex ia (IS) | |
| IP Rating | IP65 | |
| Data Output | None | |
| Parameter comparison | ||
| Detect gas | Ammonia NH3 | |
| Range | 0-100ppm | 0-100 ppm |
| resolution | 0.1/1ppm | 0.1/1 ppm |
| Alarm point | Low: 20 High: 50 ppm | Can be set manually, different gas default alarm point is different |
| Measurement certificate number | Yizhi 01000158 | |
| Sampling method | diffusion | |
| display screen | 1.77 inch high definition screen | |
| Alarm mode | Sound, light, vibration. | |
| Alarm feature | Alarm light: red LED flashing alarm, ≥ 20m alarm sound: buzzer alarm ≥ 75dB vibration alarm | |
| Operating temperature | -20℃~50℃ | -10~55 ℃ |
| Power supply method | 3.7V rechargeable lithium battery | |
| Sensor life | 2 years | 2 years (depending on Operating Environment) |
| charging time | Less than 5 hours | |
| Data storage | 1000 sets of alarm records | |
| standby time | Work continuously for more than 10 hours | |
| Explosion-proof sign | Exib IIB T3 Gb | ExibIICT4Gb |
| Sensor | Supports more than 30 Types of Sensors, flexible configuration, and can be customized according to customer needs. | |
| Operating humidity | 0-95% RH (non-condensing, Humidity greater than 90% RH, need to be equipped with filtrate drying cylinder) | |
| shell material | ABS | |
| Dimension | 109*60*30mm | |
