Product Introduction
Adopts high-quality UV-resistant material, with long service life, small size, and light weight;
Integrates TVOC, CH2O, O3Oxygen, H2S, Carbon Monoxide, Nitrogen Dioxide (NO2), Sulfur Dioxide (SO2), Hydrogen (H2), Ammonia, and other multiple measurement elements integrated into one;
Adopts high-sensitivity probes, with key components configured with imported devices, featuring a wide measurement range, good linearity, and excellent waterproof performance;
The gas unit adopts electrochemical sensors, featuring excellent sensitivity and repeatability.
The TVOC measurement unit adopts imported high-sensitivity gas detection probes from abroad, with mature technology, and uses high-performance signal acquisition circuits, ensuring stable signals and high accuracy.
| DC Power Supply (Default) | DC 10-30V |
| Maximum power consumption | 1.2W |
| Detection parameters | TVOC, Formaldehyde, O3, CO, O2, SO2, NO2, H2, H2S, NH3 |
| Working Environment | Temperature -10℃-55℃; Humidity 0~95%RH non-condensing |
| 信号输出 | RS485 output (standard ModBus-RTU protocol) |
| Product material | ABS |
| 安装方式 | Bracket mounting |
Specific parameter table for each monitored gas:
| Detection parameters | Measuring range | 分辨率 | Accuracy | Preheating Time |
| TVOC | 0~60000ppb | 1ppb | Typical accuracy: 8%FS (@C2H6O, 0.5ppm, 25℃, 50%RH) | |
| Formaldehyde | 0~5ppm | 0.01ppm | ±5%FS（@1ppm、25℃、50%RH） | ≥5 min |
| Ozone | 0~10ppm | 0.01ppm | ±6%FS（@5ppm、25℃、50%RH） | ≥5 min |
| O2 | 0~25%VOL | 0.1%VOL | ±2%FS | ≥5min |
| H2S | 0~100ppm | 1ppm | ±2ppm or ±10% | ≥5min |
| CO | 0~1000ppm | 1ppm | ±5ppm or ±10% | ≥5 min |
| NO2 | 0~20ppm | 0.1ppm | ±5%FS | ≥5min |
| SO2 | 0~20ppm | 0.1ppm | ±5%FS | ≥5min |
| H2 | 0~1000ppm | 1ppm | ±5%FS | ≥5 min |
| NH3 | 0~100ppm | 1ppm | ±8% | ≥5min |
Main Application Areas
- Environmental Monitoring — Used in environmental protection stations, industrial parks, and urban areas to monitor ambient air quality and gas concentrations in real time.
- Industrial Safety — Deployed in chemical plants, refineries, and mining operations to detect hazardous gas leaks and ensure worker safety.
- Smart Agriculture — Monitors gas levels in greenhouses, livestock barns, and agricultural facilities to optimize growing conditions and animal health.
- HVAC Systems — Integrated into building ventilation systems to monitor indoor air quality and control fresh air intake.
- Research and Laboratories — Provides accurate gas concentration data for scientific research, laboratory experiments, and calibration purposes.
Keywords：multi-gas sensor, integrated louver box, RS485 gas detector, Modbus RTU gas sensor, environmental monitoring, industrial gas sensor, air quality sensor, gas detection equipment
