Best practices guidance. PakSense products for the life sciences space are validated and ship with NIST Certificates of Traceability. The small, flat form factor of our labels makes them perfect for monitoring vaccines, biologics, and clinical trials materials without taking up additional payload space. Labels take a surface read of the object to which they are attached, providing highly accurate reads. All PakSense products for the life sciences space feature a 0.5°C accuracy.