Cargo temperature at collection, the refrigeration set point and air temperature are not necessarily the same measurement. Drivers must know what to check and where to record it.
Open doors, long loading or poor airflow can cause a short deviation. Without a time-stamped record, it is difficult to establish whether the goods were genuinely at risk.
Before departure, confirm sensor calibration, cleanliness and the customer’s required regime. In a dispute, data is stronger than memory.
Model scenario: a load requires 2–8°C, the logger records 9.4°C for 16 minutes during unloading and the door event is timestamped. That record supports a measured quality assessment instead of an argument based on memory.
Official source: European Commission — Food safety
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