Hospitals store many temperature-sensitive products, including vaccines, medicines, blood products, laboratory samples, and reagents. A small temperature fluctuation can lead to product loss and create serious quality concerns. This is why reliable temperature monitoring in hospitals is so important. Why Manual Monitoring Isn’t Enough Checking a refrigerator temperature once or twice a day only tells you what is happening at that moment. What about the hours in between? A power failure, refrigerator malfunction, or accidentally open door could cause the temperature to rise without anyone noticing. A data logger continuously records temperature, creating a complete history instead of relying only