Our life is basically inseparable from all kinds of electrical products, television, refrigerator, air conditioning washing machine and so on, these electrical appliances bring us a convenient life at the same time also brought danger, not careful may happen electric shock accident endanger our lives. So we can use a little tool called an electric pen to detect if there is electricity. How should the electric pen be used correctly? Let's look down here.
Measuring pen is one of the tools often used by the majority of electricians to determine whether the object is charged. Its internal structure is a bulb with two electrodes. The bubble is filled with neon gas, commonly known as neon bubble. One pole of the bulb is connected to the nib, and the other pole is connected to the other end of the pen in series with a high resistance. When the voltage between the two poles of a neon bubble reaches a certain value, a glow is generated between the two poles, which is proportional to the voltage between the two poles. When the voltage of the charged body to earth is greater than the glow voltage at the beginning of the neon bubble, the tip of the measuring pen touches it, and the other end is grounded through the human body, so the measuring pen will emit light. The function of a resistor in a measuring pen is to limit the current flowing through the body to prevent danger.
Use method of common measuring electropen
P
ART.01
If it is an ordinary measuring pencil, press the back end of the pencil cap with your index finger, then gently pinch the pencil with your thumb, middle finger, and ring finger. After holding the pencil steady, insert the metal nib into the socket hole. Check whether the neon tube in the middle of the pencil is glowing.
Holding the pen correctly is very important: for a physical pen, hold the pen cap with your index finger, gently pinch the pen with your thumb, middle finger, and ring finger to keep it stable, and then insert the metal tip into the hole in the wall socket panel or the hole in the external socket bar. Check whether the neon tube in the middle of the Test Pen emits light. What emits light is charged.
Generally used in the daytime or in a strong light place, the light of the test pen is not obvious. At this time, you can cover it with your hand and observe it carefully.
Previous: DIGITAL VOLTAGE TESTER
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
Fill in more information so that we can get in touch with you faster
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
