4-channel IAQ Display/ CTR230-4

4-in-1 Indoor Air Quality Monitoring Board/CTR230-4 ●It can detect temperature/humidity/CO2/PM2.5 at the same time. ●All in one is easy to install and can be monitored by plugging in the IAQ Kanban ●Complete control interface: with switchgear and damper opening control ●Easy calibration: 1 key to complete ●Time calibration: multiple unified calibration or automatic connection calibration ●Global rapid upgrade function ●Convenient maintenance: LED/temperature and humidity sensor/CO2 sensor can be hot-swapped and replaced ●USB recording function, you can download data in 30 seconds from the web page, download trend graph in 60 seconds, Achieve global paperless management ●Convenient management: web interface, no need for APP to monitor in the local network or the Internet