The quality of microswitches, a kind of small switch widely used in electronic devices, directly affects the operational stability of the whole device. Therefore, it is very necessary to carry out the quality inspection of microswitch.

First of all, we need to test the appearance of the microswitch. This includes checking whether the size and shape of the switch are in accordance with the regulations, whether the surface is flat and without scratches, and whether the color is uniform and consistent. These seemingly insignificant details will actually affect the use of the switch's effect and life.

Secondly, we need to test the electrical performance of the microswitch. This mainly includes the testing of contact resistance, insulation resistance, withstand voltage and other parameters. Contact resistance is an important index to measure the good or bad contact of the switch, if the contact resistance is too large, it may cause the switch not to work properly. Insulation resistance and withstand voltage are important indicators of the safety of the switch. If these two parameters are not up to standard, it may lead to leakage or short-circuit situation during the use of the switch.

Again, we need to test the mechanical properties of the microswitch. This mainly includes the testing of parameters such as operating force, stroke, and life. Operating force refers to the force required to press the switch, if the operating force is too large or too small, it will affect the user's experience. Stroke refers to the distance the switch needs to move from the off state to the on state, if the stroke is too long or too short, it will also affect the use of the switch. Life is the time that the switch can work under normal use conditions, which is an important indicator of the durability of the switch.

Finally, we also need to test the environmental adaptability of the micro switch. This mainly includes the effect of temperature, humidity, salt spray and other environmental factors on the performance of the switch. Only when the switch can still maintain a good working condition in these harsh environments can we say that it is a high-quality microswitch.

Overall, the quality inspection of microswitch is a complex and meticulous process, which requires us to strictly control every detail. Only in this way can we ensure that each microswitch is a high-quality product, which can guarantee the stable operation of electronic equipment.