Humidity indicator plug-4dots

Humidity Indicator Plugs:

Humidity Indicator plugs can be inserted into the exterior walls of containers allowing workers to monitor interior humidity conditions without opening the containers.
Humidity indicator plugs allow you to monitor the humidity levels inside a closed package or container without having to open the container. These plugs are available in a variety of finishes and indicator disks.

Humidity Indicator plugs Specification :
· one single dot : 8%,10%,50%
· Three dots: 10%-20%-30%, 20%-30%-40%, 30%-40%-50%, 20%-40%-60%.
· Four dots: 10%-40%, 20%-50%, 30%-60%