This lets users easily apply and activate them. This means time-temperature monitoring won't begin until the activator label is applied. Once activated, labels change color — from yellow to pink ...

The indicators are accurate within 1% of their stated temperature ratings measured in accordance with MTL-STD-45662.

In addition to launching the TempSafe Electrocard, SpotSee and Ynvisible are also collaborating on next generation capabilities for temperature sensing and indication in smart labels.