... screen drug stability test chamber Perfect products from KETON--- Human engineering design, the high-precision micro-computer control, temperature,humidity and illumination ... ~90%RH,Humidity Fluctuation:±3%RHIllumination Range Working environmentAmbient temperature:10~30°C, Humiditu<70%Imsulation materialsImported environmental protection ... UL61010-1EU EN61010-1 LCD screen drug stability test chamber