Definition: Graphical representation of temperature over time, showing fluctuations, excursions, defrost cycles, and door openings. Generated by data loggers and monitoring systems.
What It Reveals:
- Temperature stability and control quality
- Frequency and duration of excursions
- Impact of door openings
- Defrost cycle performance
- Equipment cycling patterns
- Compliance with specified temperature range
Why It Matters:
- Visual proof of temperature compliance for R638 and GDP audits
- Identifies operational problems and improvement opportunities
- Essential for investigating customer complaints or product quality issues
Related Terms: Data Logger, Temperature Monitoring, Temperature Excursion, Continuous Monitoring