Greenhouses, Long-term Fruit Storage Greenhouses are exposed to CO2 for better growth. A value of approximately 3,000 ppm must be monitored and maintained Depending on the storage size, the atmosphere in long-term fruit stores has to be monitored with either portable (CO2) or fixed (O2, CO2) gas detectors
GMA, MWG	Carbon monoxide, carbon dioxide, combustible gases and vapors, oxygen
Micro IV*	Carbon monoxide, oxygen
	* see image