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| Brand | Bigdipper |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Model | wAir2000SR-5s01 (CO, CO₂, NH₃, Toxic Gas, O₂) |
| Detection Parameters | CO (0.1–500/1000 ppm), CO₂ (0–1/5 %v/v), NH₃ (0.1–100 ppm), Toxic Gas (0.1–1000 ppm), O₂ (0–30 %v/v) |
| Temperature Range | −40 to +100 °C |
| Humidity Range | 0–99 %RH |
| Accuracy | ±2% R (CO, O₂), ±1% R (CO₂), ±10% R (NH₃), ±5% R (Tox) |
| Repeatability | Specified per gas |
| Display | 4×16 Character LCD |
| Communication | RS232/RS485 Dual-Mode Serial Interface |
| Power Supply | 220 V AC, <10 W |
| Enclosure Rating | NEMA 4 / IP56 |
| Dimensions | 300 × 500 × 250 mm (W×H×D) |
| Data Logging | 24 Groups (Non-Volatile Memory) |
| Warm-up Time | 3–5 min |
| Mounting | Wall-Mounted Fixed Installation |
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