By sion932 
In fact, even if one already knows that the measurement effect of the variable frequency series resonant AC voltage withstand device is particularly good, or even if it is relatively simple, it is necessary to understand the correct way to operate the variable frequency series resonant AC voltage withstand device before use? It cannot be said that after purchasing a variable frequency series resonant AC voltage withstand device, one does not even know its basic operating plan. Once this problem occurs, it will lead to a decrease in the performance of the variable frequency series resonant AC voltage withstand device. So, what are the correct ways to use the variable frequency series resonant AC voltage withstand device?
Firstly, before using the variable frequency series resonant AC voltage withstand device, it is necessary to check its circuit problems, because everyone has not used the variable frequency series resonant AC voltage withstand device before and has kept it in the warehouse for a long time. Its surface may have dust and some damage, so when using a variable frequency series resonant AC withstand voltage device, its scales can be checked to see if they are complete, which can ensure that there will be no problems during use.
Secondly, when using a variable frequency series resonant AC voltage withstand device, it is also necessary to conduct a test in advance. The purpose of the test is to prevent the unstable performance of the device caused by not using it for a long time, which can lead to safety issues of the tested equipment and even directly cause the loss of its original testing value. Therefore, when choosing a variable frequency series resonant AC voltage withstand device, it is important to understand whether its internal components are complete, and when connecting the equipment to the variable frequency series resonant AC voltage withstand device, it is also necessary to repeatedly confirm whether there are any problems with the circuit? After considering all these aspects, a very good measurement effect can naturally be achieved.
Not knowing the specific operation will not result in corresponding losses for oneself. Once this problem occurs, it will also lead to a decrease in the production efficiency of the factory, and even directly smash the convenient and stable performance of the variable frequency series resonant AC withstand voltage device.