NOx Nitrogen Oxide CO Oxygen Online Gas Monitoring System For Boiler
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The transmitter supports multi-point upload functionality, enabling multi-point data integration, analysis, reporting, and publishing.
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Fast response, with T90 as quick as 10 seconds.
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Equipped with passive relay contact output and audible/visual alarm function.
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Specially designed anti‑interference sensor solves the problem of sensor poisoning and damage, offering extremely high reliability.
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Excellent front‑end pretreatment system that dries and filters the detected gas, ensuring more accurate gas detection, more stable operation, and effectively extending sensor life.
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Features historical data storage, allowing alarm data and records to be viewed at any time.
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Adopts the standard HJ212 protocol, seamlessly connecting to regional environmental protection platforms.
>>Main technical parameters
| Detect Gas | NO, CO, NOX, O2, temperature |
| Detection Principle | Constant potential electrolysis method (imported sensor) |
| Detection Method | Fixed pump suction online continuous monitoring |
| Range | NO, CO, NOx: 0–500 mg/m³; O₂: 0–25% VOL (optional; ranges not listed can be customized) |
| Resolution | 0.01, 0.1 |
| Indication error |
≤±3.0% F.S. (depends on sensor) |
| Installation | Wall-mounted, floor-standing, pole-mounted |
| Repeatability | ≤±0.5 % F.S. |
| Zero drift | ≤±5% F.S./year |
| Range drift | ≤±5% F.S./year |
| Response time | ≤15S T90 |
| Recovery time | ≤20S |
| Alarm |
Audible and visual alarm, 1 or 2 dry contact signal outputs, adjustable alarm threshold |
| Protection level | Main body IP54, detector IP66 |
| Working temperature | -20℃-+200℃ |
| Working humidity | ≤95%RH |
| Relative humidity | 10-95%RH, Built in full temperature and humidity compensation function |
| Power supply | 220V AC, 40W |
| Working Pressure | ≤200Kpa |
| Data storage | Built in storage capacity, optional storage card |
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