automation 07 · computed here
Environment excursion alert
Temperature and humidity outside the agreed band, with how long for.
BSI, BS EN 16893:2018
The European standard for storing and displaying cultural collections, which replaced PAS 198:2012 and keeps its risk-based approach: you agree a band for a given collection, then you have to know when you leave it.
https://knowledge.bsigroup.com/products/specification-for-managing-environmental-conditions-for-cultural-collections
TriggerEvery 10 minutes
continuous
The figures below are calculated in this page when you press Run.
The persistence rule is what makes the alert trustworthy. Sensors spike. A system that shouts at every spike gets muted within a fortnight, and then it is not there on the day the plant fails. One alert per excursion, updated in place, never repeated.