Catalog number: 78977 Features: ● An optical carbon dioxide concentration meter specified by the guidelines of the Ministry of Economy, Trade and Industry that makes carbon dioxide concentration "visible". Specifications: ● Displays the carbon dioxide concentration in the air as a number and color change to alert you. ● Normal color (green) 0-999ppM, ventilation recommended color (yellow) 1000-1999ppM, ventilation required color (red) 2000ppM. ● Displays the carbon dioxide concentration status for the past 24 hours in a graph. ● Time, temperature, and humidity are also displayed, so temperature and humidity management can be done at the same time. ● Optical measurement method specified by the Ministry of Economy, Trade and Industry, equipped with a correction function.
