How to tell if a vibration sensor is actually calibrated for your frame weight

Diagram of layered security around an artwork: perimeter, building shell, interior zone, display or store, and the object

I was at a private collection off Wattletree Road in Malvern a few months back, walking a client through why her Sidney Nolan kept setting off the alarm every time a delivery truck idled outside. The sensor wasn’t faulty. It was calibrated for a frame roughly four times heavier than the one it was actually […]