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Protocol · VAL-P01

Thermal Mapping Protocol - Warehouse and Cold Room

Temperature and humidity mapping of storage areas with acceptance criteria and sensor plan.

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Purpose

To define the method for mapping the temperature (and, where required, relative humidity) distribution within a warehouse, storage room, cold room or walk-in freezer used for time- and temperature-sensitive products, in order to demonstrate that the whole storage volume meets the specified storage conditions under normal and worst-case operating conditions, to identify hot and cold spots, and to determine the locations for permanent monitoring sensors.

What is inside

14 sections, about 5 pages when printed.

  1. 1. Purpose
  2. 2. Scope
  3. 3. Responsibilities
  4. 4. References
  5. 5. Definitions
  6. 6. Prerequisites
  7. 7. Equipment
  8. 8. Acceptance criteria
  9. 9. Study design
  10. 10. Execution
  11. 11. Data analysis
  12. 12. Outcome and recommendations
  13. Deviations
  14. Data integrity

How to complete it

  1. 1.Verify every logger against the reference at one point (VAL-F08); reject loggers outside +/- 0.3 degC; synchronise logger clocks to a reference clock; configure interval, start time (delayed start) and units; record configuration.
  2. 2.Place sensors per the placement diagram; photograph each location; complete VAL-F01; ensure sensors are in free air, shielded from direct air streams and radiant heat unless the location is intended to capture them.
  3. 3.Record the start time, set points, load condition, external conditions and personnel. Brief Operations on the event log.
  4. 4.During the study, record door openings, deliveries, alarms, power events and challenge tests with times. Do not enter the area more than normal operations require.
  5. 5.Perform challenge tests as planned; record on the execution record.
  6. 6.At the end, record the stop time; retrieve sensors in reverse order; download data to the secure folder (raw files unaltered); verify each logger against the reference (post-verification); record on VAL-F08.
  7. 7.Perform the data-quality checks (CHK-05) and analysis in section 11.

Before you use it

  • Replace every square-bracket token, starting with [LABORATORY NAME], [ADDRESS] and [EFFECTIVE DATE]. The full token list is in GD-01 Read Me First.
  • Have the content technically reviewed against how your laboratory actually works, then approved by the responsible manager before it becomes a controlled document.
  • Update the Word fields after editing so the table of contents and page numbers are correct: select all, then press F9.
  • Record the document in your own document register and set its review date.

Related documents

This is an original template published by ValiTrac. It does not reproduce the text of ISO/IEC 17025 or of any accreditation body publication, and it does not by itself confer or guarantee accreditation. Customise, review and approve it before use.