Warm Mark/Cold Mark Indicators


Keep your products safe from temperature changes with WarmMark and ColdMark indicators. These simple, low-cost, single-use devices are made to monitor high or low temperatures during cold chain shipments. Whether it's tracking heat exposure or detecting freezing, WarmMark and ColdMark offer a reliable way to protect your goods.


WarmMark Temperature Indicator

The WarmMark 2 indicator alerts you when your product has been exposed to high temperatures and tracks the duration of the exposure, ensuring you’re informed when critical temperature thresholds are breached.
  • Single use
  • Low-cost solution
  • Activation with a push button
  • Available in 10 activation temperatures

Warm Mark/Cold Mark Indicators

ColdMark Temperature Indicator

The ColdMark 2 is a field-ready device that signals when your product has been exposed to unacceptably low temperatures, offering crucial protection for sensitive shipments.

  • Single-use
  • Low-cost solution
  • Activation with a push button
  • Available at a 1.5°C threshold temperature
Protect your goods at every step of the cold chain with WarmMark and ColdMark freeze indicators. Contact us today to learn more about how these solutions can safeguard your sensitive products.
Warm Mark/Cold Mark Indicators

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.