The control of the storage temperature requires the mapping of the warehouse or cold room. The aim is to determine the hot and cold spots that will need to be monitored.
Mapping should be done in summer and winter to measure the impact of extreme seasons. Recorders used depends on the size and area to be mapped. Nine measurement points are used for a volume of less than 2 m3. For a volume between 2 and 30 m3 , 15 loggers are used. Beyond that the number and location of the temperature sensors must be agreed between you and the expert in auditing.