Diffuser is a household appliance that can increase room humidity to wet the designated room or connect to a boiler or central system of air conditioning to wet the entire building. According to the theory of heat and wet exchange, the humidifier is divided into two types in the actual engineering:Equal enthalpy humidifier&Isothermal humidifier.
Teencher Inspection team consists of professional quality control and international trade experts, each member with extensive inspection experience and very strong sense of service. our inspection can help you to reduce logistics costs, return risk, complaints, compensation and potential brand reputation due to quality problems.
1.Inspection Environment and Requirement
-Requirement for place of inspection:Light from a power of at least 500 Lux.
-Perspective:The products must be tested by every angle.
-Distance of viewing:In doubts, check the products from a distance of 30 cm. If it is not visible, it is no defect. View the items by various angles.2.Visual NonConformities Standard
Visual nonconformities as stated below are typical defects during production and must be handled either by means of suitable measuring or comparison practices. A practical method is to compare defects either against the specification guide or against provided samples.
-Not permitted any sharp point/sharp edge.
-Not permitted infestation of live insect.
-Not permitted blood mark
-Not permitted mildew products.-Not permitted heavily odor.
-Not permitted crack mark,chipped edge,burr, dent mark,scratch mark etc.
-Not permitted rust mark.
-Not permitted pell off coating
-Not permitted missing place acessories.
-Not permitted wrong printing,missing printing etc.
-Not permitted unreasonable gap
-Not permitted burn mark,water spot,color stain,oil stain,dirty, impurity mark etc.
3.Field Test & Measurement
-Color shade check
-Function check
-Smell check
-High voltage check
-Power consumption check
-Product dimension check
-Product weight check
-Barcode readability check
-Rub test
-Tape test
-Stability check(10°, unfavorable position, no over turn)
-Noise level check
-Power cord pull test
-Power on check
-Rated atomization check
-Current check
-Frequency check
-Capacity check
-Vibration box test
-Internal check
-Quantity per carton check
-Color box size check
-Color box weight check
-Carton dimension check
-Carton gross weight check
-Carton drop test