5%, 10%, 15% Humidity Indicator Card P/N: 51015HIC125 Designed to meet revision A of the IPC/JEDEC J-STD-033 standard. Monitors the lowest humidity range. Humidity Indicator Cards (HIC's) are printed with moisture sensitive spots which respond to various levels of humidity with a visible color change from blue to pink. HIC's are placed inside vacuum sealed (dry packed) moisture barrier bags. When the bag is opened, the card can be examined for proper dryness inside the bag. Revision B HIC's are available.