<p><span style="font-size: 16pf; background-color: #ffffff; color: #000000;"><span style="background-color: #ffffff;">A time&nbsp;temperature indicator&nbsp;(TTI) is a device or smart label that shows the accumulated time-temperature&nbsp;history of a product. Time&nbsp;temperature indicators&nbsp;are commonly&nbsp;used &nbsp;on food, pharmaceutical, and medical products to indicate exposure to excessive&nbsp;</span><span style="background-color: #ffffff;">temperature. We supply temperature indicator with calibration certificate.</span></span></p>