With Inner Operation Door Energy Saving Temperature(&Humidity)Test Chamber are applicable for testing the performance indexes of aeronautic & astronautic products, ships, weapon, accdemies, motorcycle, information electronics, instruments & meters, materials, electronic engineering products Climatic application testing. ASLI offer many pre-engineered and custom sizes to fit your exact testing requirements. Available models include a wide range of temperature ramp rates, humidity levels, and many standard and optional features including temperature cycling, steady-state testing, and fast change rate. Additional options include access ports, Explosion Resistant, Quiet Mode, additional shelves, Battery Safety options, Dry Air Purge, Demineralizer Water Filter System and more. This Chamber with Unique features the middle tranpartent door and operation hole achieve for inspection the test item during testing without open the chamber door. Energy saving and also change no testing conditions from time to time inpection. Should u have similar needs mention the same to our sales when inquiry.