Model YTST-050 YTST-080 YTST-108 YTST-216 YTST-252 test box size (mm) 360 × 400 × 350 400 × 500 × 400 400 × 600 × 450 600 × 600 × 600 600 × 700 × 600 Carton size (mm) 1520 × 1820 × 1420 1650 × 1920 × 1420 1720 × 1920 × 1560 1700 × 2250 × 1820 1700 × 2350 × 1820 preheat temperature range + 80 ℃ ~ + 200 ℃ pre-cooling temperature range of -10 ℃ ~ -40 ℃ ; -10 ℃ ~ 60 ℃; -10 ℃ ~ -70 ℃ test temperature range "+ 60 ℃ ~ -150 ℃; -10 ℃ ~ -40 ℃; -10 ℃ ~ 55 ℃; -10 ℃ ~ -65 ℃" Performance temperature fluctuation range of ± 2 ℃ temperature recovery time 3 ~ 5min heating time 150 (℃) 150 (℃) 150 (℃) 150 (℃) 150 (℃) 30 (min) 40 (min) 40 (min) 40 (min ) 40 (min) cooling time -40 -50-65-40-50 -65-40-50-65 -40-50-65-40 -50-6560708070 80 9,080,901,009,010,010,100 110 120 Material Carton Material powder coated stainless steel inner box material SUS304 stainless steel mirror panels of glass wool insulation material PU system circulatory system Siroco chrome steel heating system fan heater lines + compressor refrigeration system evaporator fins + air cooling (or cooling water) condenser control system CLCD-9800 accessory control status indicators, experimental aircraft separation (freely adjustable 2) protection device in thermal protection, compressor overload, overload control system to prevent, breakdown idicator lihgt, High - Low compression protection SWITH power AC 1Ψ220V; 3Ψ380V 60 / 50Hz 20 21 22 21 22 23 22 23 25 28 35 45 30 40 50