The GB / T 2423 standard is the most popular one in the test chamber industry. GB means the national standard of the People ’s Republic of China. GB / T 2423 means the electronic and electrical industry standard. The following are the components of the test chamber GBT2423 standard: GB / T 2423.1-2008 Environmental testing for electrical and electronic products Part 2: Test methods Test A: Low temperature (IEC60068-2-2: 2007, IDT) GB / T 2423.2-2008 Environmental testing for electrical and electronic products Part 2: Test method Test B: High temperature (IEC60068-2-2: 2007, IDT) GB / T 2423.3-2008 Environmental testing for electrical and electronic products Part 2: Test method test Cab: Constant damp heat test (IEC60068-2-78: 2001, IDT) GB / T 2423.4-2008 Environmental testing for electrical and electronic products Part 2: Test method test Db Alternating damp heat (12H + 12 cycles) (IEC60068-2-30: 2005, IDT) GB / T 2423.5-2008 Environmental testing for electrical and electronic products Part 2: Test methods Test Ea and Guidelines: Impact GB / T 2423.6-2008 Environmental testing for electrical and electronic products Part 2: Test methods Test Eb and Guidelines: Collision GB / T 2423.7-1995 Environmental testing for electrical and electronic products. Part 2: Test methods Test Ec and guidelines: Tipping and tipping (mainly used for equipment samples) GB / T 2423.8-1995 Environmental testing for electrical and electronic products Part 2: Test methods Test Ed: Free fall GB / T 2423.10-2008 Environmental testing for electrical and electronic products. Part 2: Test methods Test Fc: Vibration (sinusoidal) GB / T 2423.15-2008 Environmental testing for electrical and electronic products. Part 2: Test method test Ga and guidance: steady-state acceleration GB / T 2423.16-2008 Environmental testing for electrical and electronic products. Part 2: Test method test J and guidance: mold GB / T 2423.17-2008 Environmental testing for electrical and electronic products. Part 2: Test Kb: salt spray GB / T 2423.18-2008 Environmental testing for electrical and electronic products. Part 2: Test Kb: salt spray, alternating (sodium chloride solution) GB / T 2423.22-2002 Environmental Test for Electrical and Electronic Products Part 2: Test N: Temperature Change GB / T 2423.23-1995 Environmental Test Test for Electrical and Electronic Products Q: Sealing GB / T 2423.24-1995 Environmental testing for electrical and electronic products Part 2 Test Sa: Simulate solar radiation on the ground GB / T 2423.25-2008 Environmental testing for electrical and electronic products Part 2 Test method test Z / AM: Low temperature / low pressure comprehensive test GB / T 2423.26-2008 Environmental testing for electrical and electronic products Part 2 Test method test Z / BM: Comprehensive high-temperature / low-pressure test GB / T 2423.27-2008 Environmental testing for electrical and electronic products Part 2 Test method test Z / AMD: Low temperature / low air pressure / humid heat continuous comprehensive test GB / T 2423.28-2005 Environmental testing for electrical and electronic products Part 2 Test method Test T: Soldering GB / T 2423.30-1999 Environmental testing for electrical and electronic products Part 2 Test methods Test XA and guidelines: Immersion in cleaning agent GB / T 2423.31-1985 Electrical and electronic products environmental test regulations Tilt and swing test method GB / T 2423.32-2008 Environmental testing for electrical and electronic products. Part 2: Test method Test Ta: Weldability by wet weighing method GB / T 2423.33-2005 Environmental testing for electrical and electronic products. Part 2: Test method test Kca: High concentration sulfur dioxide test GB / T 2423.34-2005 Environmental testing for electrical and electronic products Part 2: Test method test Z / AD: Temperature / humidity combined cycle test GB / T 2423.35-2005 Environmental testing for electrical and electronic products Part 2: Test method test Z / AFc: Low temperature / vibration (sinusoidal) comprehensive test of heat dissipation and non-heat dissipation test samples GB / T 2423.36-2005 Environmental testing for electrical and electronic products Part 2: Test method test Z / BFc: High temperature / vibration (sinusoidal) comprehensive test of heat dissipation and non-heat dissipation test samples GB / T 2423.37-2006 Environmental testing for electrical and electronic products Part 2: Test method test L: Sand and dust test GB / T 2423.38-2008 Environmental testing for electrical and electronic products. Part 2: Test methods Test R: Water test methods and guidelines GB / T 2423.39-2008 Environmental testing for electrical and electronic products. Part 2: Test methods Test Ee: Bounce GB / T 2423.40-1997 Environmental testing for electrical and electronic products. Part 2: Test method test Cx: Unsaturated high-pressure steam with constant damp heat GB / T 2423.41-1994 Electrical and electronic products basic environmental test regulations wind pressure test method GB / T 2423.42-1995 Environmental testing for electrical and electronic products Low temperature / low pressure / vibration (sinusoidal) comprehensive test method GB / T 2423.43-2008 Environmental testing for electrical and electronic products. Part 2: Test methods Installation of vibration, shock and similar dynamic test samples GB / T 2423.45-1997 Environmental testing for electrical and electronic products. Part 2: Test methods Test Z / ABDM: Climate sequence GB / T 2423.45-1997 Environmental testing for electrical and electronic products. Part 2: Test method test Fg: Acoustic vibration GB / T 2423.48-2008 Environmental testing for electrical and electronic products. Part 2: Test methods Test Ff: Vibration-time history method GB / T 2423.49-1997 Environmental testing for electrical and electronic products. Part 2: Test methods Test Fe: Vibration-sine beat frequency method GB / T 2423.50-1999 Environmental testing for electrical and electronic products. Part 2: Test method test Cy: Constant humid heat is mainly used for accelerated testing of components GB / T 2423.51-2000 Environmental testing for electrical and electronic products. Part 2: Test method test Ke: Flow mixed climate corrosion test GB / T 2423.52-2003 Environmental testing for electrical and electronic products. Part 2: Test methods Test 77: Structural strength and impact GB / T 2423.53-2005 Environmental testing for electrical and electronic products. Part 2: Test method test XB: Abrasion of marks and printed text caused by friction of hands GB / T 2423.54-2005 Environmental testing for electrical and electronic products. Part 2: Test method test Xc: Liquid pollution GB / T 2423.55-2006 Environmental testing for electrical and electronic products. Part 2: Test method test Eh: Hammer test GB / T 2423.56-2006 Environmental testing for electrical and electronic products. Part 2: Test methods Test Fh: Broadband random vibration (digital control) and guidelines GB / T 2423.57-2008 Environmental testing for electrical and electronic products. Part 2: Test methods Test Ei: Synthesis of impact shock response spectrum GB / T 2423.101-2008 Environmental testing for electrical and electronic products. Part 2: Test methods Tilt and swing GB / T 2423.102-2008 Environmental testing for electrical and electronic products. Part 2: Test method test: temperature (low temperature, high temperature) / low air pressure / vibration (sinusoidal) synthesis Components of the GBT2423 standard for test chambers (previous section) It is new latest design 1600W Hair Dryer. it comes with hot and cool function and also comes with hi and low function . so it have dual switch control. that is not comes with other.in today's day and age, it comes with good quality and low price. so all can afford it. From room occupying appliances and pocket-fitting devices, to meters and meters of cables, no home is stranger to any of these. Hair Dryer 1600W,electric hair drier,hair drier 1600W,Mini Electric air blower Ningbo Meirou Electric Appliance Co.,Ltd. , https://www.mrhaircurler.com