FEATURES
*Measuring CO2/CO/O3/O2/VOC/HCHO optional ,Temperature and Humidity.
*High brightness LED display for calender function: Year, Month, Date, Time.
*Parameters setting by infrared remote control.
*Built-in convectionl fan enhance the measuring effect.
*RS-485 communication optional.
*One alarm output standard.
*7-day memory function standard; 1 month or 6 month optional.