<p>General purpose laboratory constant-temperature gravity convection drying oven. <p><b> Specifications: </b><p>Cycle Mode: Natural convection <p>Temp. Range: RT+10-300℃ <p>Temp. Resolution: 0.1℃ <p>Temp. Uniformity: ±3.5% <p>Temp. Control Mode: Two temperature section intelligent PID <p>Timer: 0-9999min(with timing wait function) <p>Operation function: Fixed temperature operation, timing function, auto stop <p>Exhaust hole: 28mm top (with function of test hole)<p>Safety device: Over temperature sound-light alarm <p>Inner Chamber size(W*L*H)(mm): 260x260x260 <p>Exterior size (W*L*H)(mm): 380x455x568 <p>Packing size (W*L*H)(mm): 500x530x657 <p>Load per rack: 15kg <p>Gross Weight: 50Lb <p>Warranty: One year <p><b>Packing list:</b> <p>Constant-temperature gravity convection drying oven <p> Two Shelve <p> User manual