RH Level : < 10% External dimensions : (W x H x D) 88 x 90 x 53 cm Internal dimensions : (W x H x D) 83 x 79 x 48 cm Doors: Anti-Static Glass Shelves : 3 Anti Static Shelves (Adjustable Height) Load Capacity per Shelf : 50kg Volume : 372 litres Average Power Consumption: 26W Hygrometer : TESTO Digital thermo-hygrometer ESD safe shelves/body : Yes ESD safe casters/stands : Yes 1 Meg ohm Ground Wire : Yes Recovery Time: Recovers to ≤ 10% RH within 30 minutes after accessing door for 30 seconds or less.