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Humidity Indicator Card 6 spot

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3 unit(s)

Product Description

Humidity Indicator Cards are small, paper instruments designed to monitor relative humidity levels. These 6 spot cards are reversible and constantly indicate relative humidities as low as 10 percent and as high as 60 percent, they change from Blue (dry) to Pink (humid).  These reversible humidity indicator cards work much like a thermometer, fluctuating to indicate the current relative humidity level.
Humidity Indicator Cards help provide visual proof of the relative humidity level within a given environment. If the card indicates high levels of humidity, users know to check their packaging and inspect their products for possible damage. A great tool to assist you in keeping your valuables protected!


  • Meets the requirements of MIL-1-8335 and MIL-P-116 Method II
  • Printing: Heavy Black on White
  • Indicating Spots: 10-60% RH
  • Material: Blotting Paper
  • NSN: 6685-00-530-2617
  • Dimensions: 1-9/16" x 4-3/4"

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