Purposes: 
 This machine is suitable for drying, baking and preheat the material or the specimen, within the tank to hot air circulation, temperature distribution. 
 Inner box size: 
 A, 40 × 40 × 45cm B, 50 × 50 × 60cm C, 60 × 50 × 90cm (other sizes according to customers need to order) the distribution of precision: ± 1% (1 ° C) Temperature analysis at-room100ml100 ℃: 0.1 ℃ unit of the heating methods: hot air circulation temperature range: room temperature ~ 300 ℃ Accessories: dual over-temperature protection and two batts Timer: 0 to 999.9 hours (minutes), power failure memory power: 1φ, 200v/50Hz