for electronic components and electronic equipment - Part 2: Tests - Guidance for damp heat tests IEC 60068-2-30:Basic environmental testing procedures - Part 2: Tests - Test Db: Damp heat, cyclic (12+12-hour cycle)IEC 60068-2-56: Environmental testing - Part 2: Tests. Test Cb: Damp heat, steady state, primarily for equipment. PV-1200: Environment cycle test for vehicle parts PV-2005: Environment cycle test for vehicle partsTechnical indicators: Temperature range-40 ℃ ～150℃Humidity range20%