... can customize 2.5C/min or 10C/min fast changing 3.2 year after sale 150L Programmable High Low Temperature ... Fast Changing Chamber Applicable standards:UN38.3, IEC68-2-1, IEC68-2-2, IEC68-2 ... -3, IEC68-2-30,GB 11158,GB 10589-89,GB ... shape, and using non reactive handle for easy operation.3. Refined door seal with silicone rubber, resulting in high and low ...