Humidity Indicator

About humidity indicator card
Humidity indicator cards can easily measures relative humidity inside the sealed package to allow a quick and low cost inspection of the humidity level is safe or not. The blue indicator dot turms pink, means that RH in the package has or had been reached the RH value of that dot.
Humidity Indicator Card Feature
1. The humidity indicator dots will change color as the relative humidity increases in the volume of air surrounding the indicator.
2. The humidity indicator dots are reversible, and the changed dots will back to original color when the volume of the air is dried.
3. The humidity indicator shows the most accurate value when the temperature is 23° C.
4. Store humidity indicator cards in original sealed iron can. Immediately seal the can after every opening. The dot shows normal color before usage.
5. Store in dry, cool area and keep them out of direct sunlight and away from water.