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I. Overview of Indoor Environment Monitoring System Products The indoor environment monitoring system consists of two parts: the monitoring elements and the real-time data display platform as well as terminals. It is used to detect various parameters in the air environment, such as PM2.5, PM10, temperature, humidity, air pressure, light intensity, TVOC, O2, carbon dioxide (CO2), carbon monoxide (CO), and formaldehyde (CH2O). The monitoring equipment uses originally imported sensors and processing chips, featuring high precision, high resolution, and good stability. II. Scope of Application The indoor environment monitoring system (www.zgtdkj.net/ParentList-1768842.html) is currently applicable in the following areas: ● Building HVAC systems ● Energy efficiency in buildings ● Smart homes ● School environments ● Museums ● Libraries ● Archives ● Hospitals ● Airports and stations ● Subways ● High-speed railways III. Functional Features ● The indoor environment monitoring system integrates multiple measurement functions, offering powerful capabilities. ●PM2.5 and PM10 are measured simultaneously, with a range of 0–1000 ug/m3 and a resolution of 1 ug/m3. *Dual-frequency data acquisition and automatic calibration technology ensure a consistency level of ±10%. ●The gas monitoring module uses imported sensors, which feature high sensitivity, stable signals, and high accuracy. ●The temperature and humidity measurement module is imported, offering high precision. ●It has a wide pressure monitoring range (0-120 Kpa), allowing it to be used at various altitudes. ●It operates on a wide voltage range of 10~30V. ●Multiple output methods: Rs485 (standard); optional: GPRS, WiFi. IV. Technical specifications (I) Technical specifications for monitoring parameters ● Monitoring parameters: temperature, humidity, PM2.5, PM10, air pressure, light intensity, TVOC, CO2, formaldehyde, O3, CO, CH4, O2, SO2, NO2, H2, H2S, NH3 ● Power supply: DC 10–30V ● Maximum power consumption: 0.5W (with 24V DC power supply) ● Operating environment: temperature –10°C to 55°C; humidity 0–95% RH, without condensation ● Output: RS485 ● Material: ABS ● Installation method: wall-mounted or ceiling-mounted All of the above specifications, except those specifically stated otherwise, were determined under the following environmental conditions: temperature of 20°C, relative humidity of 50% RH, atmospheric pressure of 1 atmosphere, and with the concentration of the gas being measured not exceeding the sensor’s range. V. Display of the indoor environment monitoring system The monitoring factors, together with the display devices (platforms, screens, etc.), constitute the indoor environment monitoring system, with the display devices being used to visualize the monitoring data.