? Specifications Model constant temperature and humidity test chamber? 90 129,168,271,352,433? Temperature range -65 ℃ ~ 85 ℃, -35 ℃ ~ 85 ℃, -20 ℃ ~ 85 ℃, -0 ℃ ~ -85 ℃, (85 ℃ above can special order)? humidity range 20 ~ 98% RH? temperature stability ± 0.5 ℃? humidity ± 2%? Distribution? average degree temperature ± 2 ℃? humidity ± 3%? temperature and humidity variation ≤ ± 2 ℃ / ± 3% RH? warming time according to the box size and customer requirements (normal with 1 ℃ / min count)? cooling time depends on the size of the cabinet and customer requirements (normal with 1 ℃ / min count)? Within the box size ? (CM) H 210 210 210 210 210 210? W 210 300 390 300 390 480? D 205 205 205 430 430 430? within the box size? (CM) H 255 255 255 255 255 255? W 325 415 505 415 505 595 ? D 225 225 225 430 450 450? content volume (m) 12.9 16.8 27.1 35.2 43.3 9? Within the box material SUS 304 # steel? Carton Material spray Schomburg color plate? insulation material polyurethane rigid PU foam base material GB angle iron, channel steel door size monolithic doors:?? W80 * H180 double door: W160 * H180cm refrigeration system imported closed or semi-hermetic compressors, heat sink style? ? evaporator heating heating system doubles as a dehumidifier:? stainless steel finned heating tube humidification system humidification of air circulation mode:? stainless steel sheathed electric steam generating cycle way no fuse protection device overload protection probe, the compressor overheating, current, over-voltage, heating. Humidification dry, water tank alarm system? Controller large LCD display dedicated controller versatility, scalability of the? Standard configuration of the test hole (￠ 50 * 1-only), Windows lamp? Power according to the box size. ? Power AC3 ￠ 380V50HZ. ? Detailed specifications subject to appropriate specifications.