Huma-i HI-150 Portable Air Quality Monitor: CO2, VOC, PM2.5

Its excellent portability will help you measure air quality in real time anytime & anywhere. You can carry it with you anytime & anywhere for the peace of mind you deserve. Power and mode selection button Power Button If you press the button for 1 second, it will be in power-on state. It automatically switches to power-off state when not in use for 10 minutes to protect battery life. The status LED will blink 1 minute before automatic power-off. At this time, if you press the button lightly, it will be switched on again for 10 minutes, and the mode will not change. Mode Selection Button Each time you press the mode select button, the display mode changes cyclically in the following order. iAQI mode => Integrated Display Mode (PM2.5 / VOC / CO2) => WHO Mode => PM Mode (PM2.5 / PM10) => VOC Mode => CO2 Mode => Temperature/Humidity Mode Display mode iAQI mode (indoor AQI) It displays indoor AQI figure together with ICON. The status LED color changes according to iAQI level – blue, green, yellow and red. Integrated display mode It is shown in a step-by-step graph so that air quality can be judged easier than difficult figures. PM2.5, VOC and CO2 can be viewed in one screen. Graph with 4 steps shows the air quality - good, moderate, poor and unhealthy WHO mode (Icon mode) You can easily recognize the good and poor state of find dust by 4 kinds of icons. In this mode, it automatically displays the worst between PM2.5 and PM10. PM (Particulate Matter) display mode Simultaneously displays PM2.5 and PM10 measurement values. VOC (Volatile Organic Compound) display mode VOC concentration is displayed together with the ppm unit figures. CO2 display mode CO2 concentration is displayed in graph form. * The CO2 sensor applied to our product is CO2eq (CO2 equivalent), which is calculated based on the H2 concentration that occurs when breathing in the fasting state. It may react to other harmful gases in the surrounding environment. If it shows a poor/unhealthy condition, use it as a ventilation guideline for indoor air management. Temperature/Humidity mode It shows temperature and humidity in one screen. * In case of temperature and humidity, the temperature/humidity sensor is inside of the product and may cause a deviation of 5 ~ 10%.