Search Thermo Fisher Scientific
Fisher Catalogue
StaFreez™ Irreversible Freeze-Thaw Indicator
Irreversible indication of whether or not unstable frozen biological materials have been thawed
| Catalog Number | Temperature Range (Metric) |
|---|---|
| FIS22-246196 | -20° or lower |
Catalog number FIS22-246196
View Price:Sign InSign in to see your account pricing. Need an account? Register with us today.
Temperature Range (Metric):
-20° or lower
- Monitors surface temperature of frozen items
- Liquid-crystal indicator displays environmental temperatures items have been subjected to with color change
- After activated, product is applied to frozen material at approximately -20°C
- Indicator remains blue until frozen material is warmed
- Upon warming, color changes first to gray, then to gray-green, and finally to black as sample temperature reaches 0°C
- Color will not return to blue, even if the sample is refrozen, indicating thawing has occurred
Specifications
For Use With (Application)Monitoring surface temperature of frozen item
Product TypeIndicator
Temperature Range (Metric)-20° or lower
Unit SizePK