The lowest price of Smart sensor ar8200 carbon dioxide detector in Bangladesh is Tk-26,500/= only. Buy from Dhaka City at low price in Bdstall. There is currently 1 seller.
Measuring range 350~9999PPM, increment / sound button, measure mode press, 5PPM resolution, basic error± 30PPM+5% rdg, maximum 120 second recovery time, response time ~90 sec, temperature / humidity button, acoudtic and light alarm mode, 3.7V rechargeable lithium battery.