• Indicates both the current humidity and maximum humidity attained.
  • Individually sealed in a clear moisture-barrier bag with dessicant to keep the card dry and provide an extended shelf life.
  • Current range is 0 to 100% relative humidity.
  • Readable to an accuracy of ±5% RH at 24°C.
  • Maximum memory range is 50 to 90% RH. (For crystals to dissolve properly, the humidity must be maintained at or above the indicated value for a minimum of 24 hours.)
  • Colour changes from blue to lavender in increments of 10% RH.
  • Use with bottles, chemicals, plastic bags, electronics, dessicators and storage containers.
  • Reversible indicator changes color as the humidity increases and decreases.
  • Traceable® certificate provided.
  • Card size: 4 x 4 inches.

Manufacturer : Control Company

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Cat.#Mfg.#PriceQuantityEstimated Availability
577-700-114192$107.99 PK / 6  
Ships within 2 weeks


Additional Images

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Humidity-on-a-Card Packaging Front

Humidity-on-a-Card Packaging Back
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