Precision oven for industrial and mining enterprises, laboratories, the research units for drying, baking, melt wax, sterilization purposes. Function salt spray test machine for surface treatment of a variety of materials, including paint, electroplating, organic and inorganic coating, anodizing, anti-rust oil and corrosion treatment temperature test chamber temperature corrosion resistance test their products NSS ACSS of 35 ℃ ± 1 ℃ / CASS50 ℃ ± 1 ℃ pressure tank temperature NSS ACSS 47 ℃ ± 1 ℃ / CASS63 ℃ ± 1 ℃ brine temperature 35 ℃ ± 1 ℃ laboratory capacity 108L 270L 600L 800L brine tank capacity 15L 25L 40L 40L sodium chloride solution concentration of 5% or 5% concentration of sodium chloride solution added 0.26 grams per liter of copper chloride (CuCL2 2H2o) Compressed air pressure 1.00 ± 0.01kgf / cm2 spray volume 1.0 ~ 2.0ml / 80cm2 / h test chamber relative humidity above 85%