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After activation, the irreversible portion will change color from blue to a non-blue color as the blood temperature increases and as time passes. Once the indicator has lost its blue color, it will not return to its original color even if the blood unit is re-cooled. This ensures the user of the time and temperature history of the unit.
The color of the activated indicator is dependent on product temperature, the time at that temperature, the size or mass of the sample, and the heat transfer characteristics of the sample container. Because the color change of HemoTemp II indicators is affected by the same variables that affect the time/temperature-sensitive blood bag, these indicators will monitor the temperature history.
The HemoTemp II blood bag indicators are attached to the outside of the blood bag, where they can be easily seen and monitored by blood bank staff. If an indicator shows that a blood bag has been exposed to temperatures outside the recommended range, the blood bank staff can take appropriate action to ensure the safety and quality of the blood product.
The reversible portion of the indicator provides continuous temperature monitoring, allowing for an easy-to-read check of the current temperature of the blood between 1°C and 9°C.
Product Update Notification
HemoTemp II has received the AABB Standards-Compliant Seal. with this AABB standards compliance completion, know that you are using a certified best-in-class Blood Bag Temperature Indicator. For more information about the AABB Standards Complaint program, visit the AABB website.
Product Change Notification
Specifications
| Operating Temperature Range | |
|
Reversible |
33.8°F - 48.2°F | 1°C - 9°C |
| Irreversible | 42.8°F - 50°F | 6°C - 10°C |
| Color Change | |
| Reversible | Red - Green - Blue |
| Irreversible | Blue - Gray - Brown |
Related Documents
HemoTemp II Digital Activator Manual
