GlossaryEN1 min readUpdated: Jun 24, 2026
Facility Temperature Mapping in the Cold Chain
Temperature mapping is a validated qualification procedure that cold chain operators, pharmaceutical companies, and food logistics providers use to confirm that every zone of a refrigerated space maintains the required temperature range under operational conditions.
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Source: https://www.pharmaguideline.com/2020/02/temperature-mapping-of-facility.html
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Definition & Explanation
Temperature mapping is a validated qualification procedure that cold chain operators, pharmaceutical companies, and food logistics providers use to confirm that every zone of a refrigerated space maintains the required temperature range under operational conditions. Calibrated sensors are placed at defined grid points throughout the storage area or transport unit and record data continuously over a set period. The resulting map identifies hot or cold spots that must be corrected through adjustments to airflow, load configuration, or equipment settings. Regulatory frameworks — notably GDP guidelines for pharmaceutical distribution — require temperature mapping before a facility is commissioned, after significant structural modifications, and following major maintenance events. It is distinct from ongoing operational temperature monitoring: mapping is a one-time qualification exercise, not a continuous process.
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