High Temperature Drying Oven LHDO-A22 - High Temperature Lab Oven Labtron High Temperature Drying Oven offers a 220 L chamber with a temperature range RT plus 20°C to 500°C. It features a 304 stainless steel interior with adjustable shelves and a 0.1°C display resolution. Equipped with PID temperature control, a multi-step LCD program controller, and a ceramic heat seal door.