1. Enclose the Freeze-tag with the products that should be monitored.
  2. Before reading, the Freeze-tag shall be placed in an environment above freezing temperature for at least 2 minutes.
  3. Observe the Freeze-tag and note which sign is shown on the display:
OK display Your product has not been exposed for more than 60 minutes to freezing temperatures.
ALARM display Your product has been exposed for more than 60 minutes to freezing temperatures.
The ALARM sign is irreversible!

If the display remains blank, expose the Freeze-tag again at room temperature and wait at least 2 minutes. If the display is still blank, please check the expiry date (see this chapter).

Was this helpful?

Yes No
You indicated this topic was not helpful to you ...
Could you please leave a comment telling us why? Thank you!
Thanks for your feedback.