White (Beta) tin, stable above 13.2Â°C, is the common metallic form of the element. Alpha-tin is a semiconductor. Typical Applications: Tinplate foil, collapsible tubes, block tin products, pewter, alloying, coatings, powder applications (sintered bronze and iron parts).
Audit trail. Audit trail is a set of records on a particular lock or tag. You can view the logs of unlocking, including tag entries and master key entries on a particular lock, as well as logs of incidents such as; alarms like Door Left Open (DLO), tamper, Intruder Alarms and Low Battery Warnings.
The switched circuit must have its own source of power and is merely routed through the dry contacts. energize-To apply power. fail locked-Refers to an electric lock that requires power to unlock. Also called fail secure. fail unlocked-Refers to an electric lock that automatically unlocks with any power interruption.