It is applicable to the sample inspection of the safety and quality license for household and similar general-purpose audio equipment applying for imported grid power supply and the sampling inspection of products that have been approved to use "safety marks".
Audio equipment refers to equipment within the scope of application of the GB8898 (IEC65) standard, consisting of independent units for household and general use, and complete equipment composed of a combination of several independent units. There are mainly radios, radio tuners, tape recorders, cassette tape decks, turntables, CD players, karaoke machines, equalizers, amplifiers, active speakers, LD and V-CD players.
2. Inspection basis and inspection items
1. Standard of use:
GB8898- Safety requirements for household and similar general-purpose electronics and related equipment powered by grid power
2. Test items:
mark
Temperature rise under normal operating conditions
Temperature rise in high temperature environment
Risk of electric shock under normal operating conditions
Insulation requirements
Fault condition
Mechanical strength
Components connected to the grid power supply
Components
Connection terminal
External cord
Electrical connection and mechanical fixing
Mechanical stability
3. Sample
1. Quantity of samples delivered when applying for safety and quality license
prototype
2 sets (sets)
Power Transformers
4 pcs
(One of them is not potted)
Switch junction capacitor
10
Fuse
48
switch
3
Power outlet
3
Power cord with plug
3 roots
Thermal fuse
10
2. Regular sampling quantity of products using "safety signs"
Stand-alone unit
1 set
Combination audio equipment
1 set
4. Evaluation of safety performance
If there are individual items in the inspection items that are not qualified, but those that are easy to improve can be re-sent samples for inspection after rectification. During the re-inspection, if any item fails again, it will be judged as unqualified.
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