4 Spot Humidity Indicator Card, 10-40%, 100/Can

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Humidity Indicator Cards are printed with moisture sensitive spots which respond to various levels of humidity with a visible color change from blue to pink. The moisture sensitive spots are made of blotting paper impregnated with cobaltous chloride. The humidity inside dry packed barrier bags can be monitored by including HIC inside. When the bag is opened, the card can be examined for proper dryness inside the bag. These humidity indicator cards involve a cobalt compound, but no sulfur compounds.

Designed for dry packaging Surface Mount Devices. Monitors the most critical humidity range for SMD's. Color reference bar assists with accurate readings.

  • Card Size: 2" x 3"
  • Cards per can: 100
  • Complies with MIL-P-116 and MIL-I-8835
  • Made in the USA

Materials: Blotting paper impregnated with cobaltous chloride
Accuracy: Based on ambient temperature of 75 deg F
Tolerance: Approx. 2.5% for each 10 deg F from 75 deg F

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