Litter Bins - when do we need to empty them ? Gateway Manta Fusion – Qurius 9 x Barra Radar ( one in each bin) Barra Radar (sensor) – Qurius Alert when fill distance reach 80% This is a sample of what we do, and if you have a weekly schedule for empty = 52 pr year, but with sensors you need only empty on average every 10 day = 37 pr year = 25% less.