Specifications of standard vdo-23i Model Vdo-23i (110v) Brand Hydrion scientific Product type Desktop vacuum drying oven Voltage (+/- 10%) 110 v 50/60 hz (220v optional) Power 500 w Chamber volume 0.9 cu. Ft (23 litre) Chamber material Sus304 Temperature range Ambient + 9°f to 480°f / ambient + 5°c to 250°c Temperature control accuracy +/- 0.9°f (0.5°c) No. Of racks 2 (up to 4) Vacuum level