Ultra low oxygen (UDO-ULO) is a type of controlled atmosphere that is adjusted dynamically. This technique has different names depending on the refrigeration and various industries that use it. Some of them are ACR, DCA, Dynamic Controlled Atmosphere, CA. These names are actually based on the protocols that are applied. The main machine groups are usually similar or the same. The key point here is how low the O2 level in the environment should be. For this, the environment that will be treated needs to be sealed very well.

read more