RYOTAKU Carbon Dioxide Concentration Meter CO2 Sensor High Accuracy CO2 Monitor Japanese Display Large Screen NDIR Method Alarm Release Function

---------------------------------------------------------------------- [NDIR non-dispersive infrared sensor] Adopts a sensor dedicated to detecting carbon dioxide and can detect it in real time every second! Fast detection speed, high detection accuracy, and long service life. [Japanese screen / Japanese market certification] The latest development for the Japanese market, the Japanese interface makes it easy to understand at a glance, even children can know when to ventilate, and the brightness of the screen can be adjusted freely. And it has PSE certification and EMC certification for the Japanese market, so you can use it with confidence. [Multi-functional, with temperature and humidity functions] One unit has three functions: CO2, temperature, and humidity. CO2 measurement range 400-5000PPM, temperature measurement range 0 degrees to 50 degrees, humidity measurement range 25% to 95%. The measured value does not always start from 400ppm, but the measured value is displayed according to the environment. [Warning value change and alarm cancellation] The warning value is set at 2000 PPM, but the setting can be changed manually depending on the usage environment. And if the alarm goes off when the warning value is exceeded, pressing any button will turn off the alarm sound, making it very easy to use. [Added historical data viewing function] Press the MEN button in normal mode to display the maximum and minimum values of CO2 concentration, temperature, and humidity measured within 24 hours. You can understand the air condition throughout the day. 1 carbon dioxide concentration meter, instruction manual, USB cable,