1, appearance
2, size
3, electrical performance
4, reliability verification
<SWT> the specific determination of the standard is as follows:
1, the test of the appearance, you need to refer to the samples, the determination of the standard is: no mixing of materials, no damage, no pollution, no shedding, no reverse polarity and other bad. The criteria are: no mixing, no damage, no pollution, no shedding, no reverse polarity and other bad.
2, the size of the test, the determination criteria are based on customer demand (specifications), the main test products, such as diameter, height, pin distance.
3, the electrical performance test, the determination of the same standards, mainly test the product's sound pressure value, capacity value, frequency and other properties.
4, reliability verification, mainly including drop test, high temperature test, low temperature test, constant temperature and humidity test, temperature cycle test.
The buzzer is widely used in various telephones, clocks, medical equipment, digital products, toys, office equipment, laptop computers, microwave ovens, air conditioners, home appliances, equipment control panels.