Temperature Indicators/Recorders
The Warmmark2 and Coldmark2 temperature indicators are simple, low cost and single use designed to let you know if an unacceptable temperature has occured to your payload.
Easy-to-use temperature logger available in single- and multi-use variants. Prepare your package, push a button and drop it in. At the other end, remove the temp recorder, pop off its cap and plug it into your laptop to see a record of temperatures and excursions.