CO2 Portable Monitor 4 in 1

Lowest cost CO2, temperature and %RH meter on the market today. 

It provides:

• High speed, real time measurement
• High degree of accuracy

The TIM10 is a simple-to-use solution for monitoring carbon dioxide, temperature and relative humidity using either 110-220 VAC.

With its patented ABC (automatic background calibration) system the TIM10 actually gets more accurate the longer you leave it plugged in (under normal conditions).