What carbon dioxide analyzer is better: LI-COR-820(or 840A) or EGM-5 and why? Which one is more reliable?

At the first sight, LI-COR sensors are more precise but EGM-5 is more suitable for field work because EGM-5 is waterproof, can store data, has internal pump and accumulator and can work in...

17 April 2017 4,468 7 View