Product profile: 1. High intelligence of walk-in high and low temperature alternating damp and heat laboratory: according to the test conditions and requirements, the automatic control can reach the set value with the maximum ability, and maintain the set value with the minimum ability, so as to achieve the best control of the whole. 2. High reliability: compact structure, convenient installation, automatic fault recovery function, convenient maintenance. 3. Energy saving: heating, alternating humidification, electronic expansion valve control, Su Ying's unique refrigeration circuit. 4. Special design: according to the requirements of the user to do targeted design, changing the size of the box and performance indicators. 5. Control interface: original imported touch touch color LCD operating screen. Technical parameters: Type: 040 Internal dimension W × H × D(mm):2000 × 2100 × 1000 External dimension W × H × D(mm):2500 × 2305 × 1250 Temperature range: maximum test temperature: 85 ℃; Minimum test temperature: -65 ℃ -40 ℃ -20 ℃ Humidity range: 30 R.H / 98 R.H Internal volume: 4.2 Power AC380V 50HZ