A system for inspecting a secure enclosure from a remote location to
determine whether a secure enclosure door has been opened includes a seal
having a base material and an indicator. The base material is bonded
across first and second secure enclosure surfaces that must move relative
to each other when the secure enclosure door opens. The indicator
includes an indicator component that is coupled to the base material to
deform in response to a relative movement between the first and second
secure enclosure surfaces. The indicator provides a first indication
prior to deformation of the indicator component and a second indication
after deformation. Indicator components can include an impedance element,
a piezoelectric material, volatile memory, a transmitter assembly
component or a bar code. A monitor (e.g. RF signal receiver or a bar code
reader) receives the indication and determines whether the secure
enclosure door has been opened.