FREEZING INDICATOR (Freeze-tag) electronic
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FREEZING INDICATOR (Freeze-tag)
Definition
Irreversible freezing indicator which allows the quality of the cold chain to be checked by indicating whether products have been exposed for more than 1 hour to a temperature below 0 ºC.
Specifications
- Device consisting of an electronic temperature measuring circuit with LCD display
- Dimensions: 49 x 30 x 10.5 mm
- Temperature measuring accuracy: ± 0.3 ºC
- Time measuring accuracy: ± 5%
- Operating temperature: -20 ºC to +50 ºC
When the indicator is exposed to a temperature below 0 ºC for more than one hour, the display changes from "OK" to "ALARM".
Instructions for use
- Put a Freeze-tag® in every refrigerator, cold-box and vaccine carrier containing freeze-sensitive products (unless Stop!Watch® is already being used).
- Before reading, keep the Freeze-tag® at a temperature above 0 ºC for at least 2 minutes.
- Read the result on the display:
- V: The product has not been exposed to a temperature below 0 ºC
- X: The product has been exposed to a temperature below 0 ºC for longer than the alarm activation time.
If the display remains blank, expose the Freeze-tag® to room temperature and wait at least 2 minutes.
If the display is still blank, check the expiry date.
Repeated use
The Freeze-tag® can be used as often as required as long as the alarm has not been activated and the expiry date printed on the casing has not been reached.
Shelf life: 5 years
Safety measures
The Freeze-tag® contains a lithium battery. Observe the following instructions carefully:
- Do not open or destroy the Freeze-tag® casing.
- Do not expose the Freeze-tag® to high temperatures (fire, oven, microwave etc.).
- Keep out of the reach of children.
- When disposing of old batteries, be sure to do so in accordance with the applicable regulations.
Storage
The Freeze-tag® is always active and must never be stored below 4 ºC!