How to use the high voltage tester
High-voltage checker structure: the lower end of the hanging two very thin metal foil, encapsulated in a glass bottle, the upper part is a metal plate (or also used metal ball), it is connected to the metal rod, the metal rod through the rubber plug. Test, the object and the metal plate contact, if the object is charged, there is a part of the charge to the two pieces of gold foil, metal foil due to the same kind of charge, each other repulsive and open, the more charge, the greater the angle of opening; if the object is not charged, the metal foil does not move. When the object is known to be charged, if you want to identify the type of charge it carries . Simply touch this charged body to a metal ball first, so that the gold foil opens up. Then, and then use the known object with enough positive charge to contact the metal ball of the detector, if the metal foil open angle is greater, it is said that the charge of the charged body is positive; on the contrary, if the metal foil open angle decreases, or first closed and then open, it is said that the charge of the charged body is negative.
The use of high-voltage tester pen charged body and then increase the same kind of charge, the charge of the amount of value increases; charged body and then increase the heterogeneous charge, the charge of the amount of value decreases. Therefore, people usually express positive and negative charges as positive and negative values, respectively. Example. With equal amounts of heterogeneous charge objects in contact with each other, they carry positive and negative charges of the algebraic sum of zero, the performance of the external electrical effects cancel each other, as if they are not electrically charged. At this point, they are electrically neutral. This phenomenon is called electric discharge or electric neutralisation.
High voltage checker working principle usage checker and static meter checker price role gdy sound and light checker how to use the checker correctly rainproof high and low voltage checker . The above facts imply that when a high voltage tester pen charged body increases the same kind of charge again, the quantity value of the charge increases; when a charged body increases a different kind of charge again, the quantity value of the charge decreases. Therefore, people usually express positive and negative charges as positive and negative values, respectively. Example. With equal amounts of heterogeneous charge objects in contact with each other, they carry positive and negative charges of the algebraic sum of zero, the performance of the external electrical effects cancel each other, as if they are not electrically charged. At this point, they are electrically neutral. This phenomenon is called electric discharge or electric neutralisation. But the positive charge of the nucleus and the negative charge of the electrons outside the nucleus of the interaction between the electrical force, with the different substances and have a strong and weak. If there are a number of neutral atoms or molecules that have lost one or a number of electrons due to external causes, the positive charge of all the protons within these atoms or molecules is more than the negative charge of all the electrons, and so they acquire a positive charge and become positive ions; conversely, if there are a number of neutral atoms or molecules that have gained one or a number of electrons from the outside world, then there is a more than positive charge of the negative electrons within these atoms or molecules, and so they acquire a positive charge. positive charge, so they acquire a negative charge and become negative ions. These phenomena are called ionisation. In both cases of ionisation, the whole object appears to be electrically charged. It can be said that all electromagnetic phenomena are caused by the gain or loss or movement of electrons, i.e., electrons play an important role in them.
