The Q2 is a Portable Oxygen and CO2 analyzer, used for research or package testing. The Q2 is a portable headspace analyzer for measurement of O2 and CO2 levels in gas flushed MAP packages (such as coffee or meat products). Alternately, the Q2 can be used for portable O2 and CO2 measurements for research applications (such as cell culture incubators). It weighs only 2 lbs, and comes with rechargeable batteries, sample probe, charger, and accessories to begin sampling. There is also an optional hard carry case for easy portability and protection.