Simple and cost effective way of monitoring the level of humidity in your packaging to prevent damage to sensitive products.
The humidity indicator indicates the relative humidity/climate inside your packaging .
You can see the relative humidity on the colour of the indicator spots.
By increasing humidity of the atmosphere the colour will change from blue (dry condition) to violet and to rose-pink(humid condition).
When the humidity of the atmosphere decreases the colour will change in reverse order.
Rubber ring around the control window secures hermetic lock of the humidity indicator.
Humidity Indicator is to be used together with desiccant bags and in connection with barrier foil/aluminium compound foil. When determine the humidity you will be able to consider whether desiccant bags may be replaced.