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25

Oct

2024

Why is it wrong to say that when you use a test pen to check, the light of th...

Why is it wrong to say that when you use a test pen to check, the light of the test pen means that the circuit must be charged? The luminescence of the voltage tester (electric pen
25

Oct

2024

What is the working principle of the electric tester

What is the working principle of the electric tester The principle of detecting light emission with an electric pen is that there is a certain potential difference between the char
25

Oct

2024

How to use an electric tester? How to use an electric tester

How to use an electric tester? How to use an electric tester Low voltage test pen is commonly used to test whether the live wire of 220V AC power is energized or to check the conti
25

Oct

2024

What will happen if the tester is broken and the live wire is tested?

What will happen if the tester is broken and the live wire is tested? The interior of an electric pen is generally composed of high resistance resistors, neon tubes, and springs. T
25

Oct

2024

How to use the digital screen to display a lot of electric testers

How to use the digital screen to display a lot of electric testers The biggest feature of the neon bubble electric pen is that when the electric pen touches the charged body, the n
25

Oct

2024

Introduction to the operation method of digital display electric tester

Introduction to the operation method of digital display electric tester 1. Immediate measurement method Immediate measurement method refers to the measurement method of directly co
15

Aug

2024

In addition to testing whether there is electricity, the electric tester has ...

In addition to testing whether there is electricity, the electric tester has the following uses: 1. It can be used for low-voltage phase detection to measure whether any wires in t
15

Aug

2024

How to Use the LCD Digital Display Induction Test Pen How to Use the LCD Digi...

How to Use the LCD Digital Display Induction Test Pen How to Use the LCD Digital Display First of all, let's talk about using an induction pen to measure the live and neutral w
14

Aug

2024

The switch controls the live wire. When I use a tester to test the neutral wi...

The switch controls the live wire. When I use a tester to test the neutral wire, it is slightly bright. What's going on? Firstly, it should be clarified that regardless of whet
14

Aug

2024

Method of operation of the digital measuring pen

Method of operation of the digital measuring pen 1. Immediate measurement method Immediate measurement method refers to the measurement method of directly contacting the camera of
14

Aug

2024

What are the types of test pens?

What are the types of test pens? 1. According to the high and low voltage measurement High voltage testing pen: used for projects with a voltage of 10kV and above, as a daily testi
14

Aug

2024

What are the uses of measuring pens?

What are the uses of measuring pens? 1. Used to determine whether an object is charged. Its internal structure is a light bulb with only two electrodes, filled with neon gas, commo
14

Aug

2024

How to confirm the live wire, neutral wire and ground wire with a test pen

How to confirm the live wire, neutral wire and ground wire with a test pen 1. Determine the live and neutral wires Contact one end of the wire with the screwdriver of the electric
14

Aug

2024

What is the principle of the electric pen

What is the principle of the electric pen Do you know the principle of an electric pen, which is an auxiliary safety tool used to detect whether low voltage conductors and electric
14

Aug

2024

What is the structure of the electric tester?

What is the structure of the electric tester? A measuring pen is one of the essential tools for electricians, used to measure whether a conductor is charged. It is mainly used to c
14

Aug

2024

Tips on using an electric tester

Tips on using an electric tester 1. The mnemonic for determining AC and DC power: Use an electric pen to determine AC and DC power. AC power should be bright and DC power should be
27

Jun

2024

5 precautions for using a test pen

5 precautions for using a test pen (1) Before using the test pen, make sure it has a safety resistor inside and then physically inspect it for any damage or evidence of water or mo
27

Jun

2024

The purpose and usage method of the test pen

The purpose and usage method of the test pen 1. It can be used for low-voltage nuclear phase measurement to determine whether any wires in the circuit are in phase or out of phase.
27

Jun

2024

What is the difference between a multimeter and a test pen

What is the difference between a multimeter and a test pen Function: A multimeter is a multifunctional electronic measuring instrument mainly used to measure electrical parameters
27

Jun

2024

The hazards of measuring pen damage

The hazards of measuring pen damage If the resistance of the measuring pen is broken, what will happen to the measuring live wire? The probability of electric shock is relatively h

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