Contact Us
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Tel: +8618822802390
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E-mail: admin@gvda-instrument.com
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WhatsApp: 8618822802390
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Add: Room 610-612, Huachuangda Business Building, District 46, Cuizhu Road, Xin'an Street, Bao'an, Shenzhen
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30
Oct
2022
Skillfully Use Induction Test Pen to Test Network Cable's On-off
Skillfully Use Induction Test Pen to Test Network Cable's On-off There are two buttons on the front of the induction test pen, namely the "direct measurement" button and the "detec
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30
Oct
2022
How the electric pen works
How the electric pen works 1. Inert gas characteristics: ionization occurs when a certain voltage is applied, free charges are generated in the gas, and the free charges move direc
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30
Oct
2022
Why does the neutral line get charged, so that the neon tube of the electrosc...
Why does the neutral line get charged, so that the neon tube of the electroscope glows The fundamentals of neon tube lighting The neon tube lights due to voltage present in the cha
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30
Oct
2022
The principle and use of the electric test pen
The principle and use of the electric test pen The majority of electricians frequently utilize the electric test pen as one of their tools to check whether an object is charged or
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30
Oct
2022
How to operate a digital display pen
How to operate a digital display pen 1. Direct measuring technique The term "immediate measurement method" refers to a measuring technique where the test pen's camera directly cont
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30
Oct
2022
How to measure voltage
How to measure voltage A test pen used to determine whether a wire is live is a type of electrical and electronic instrument called a "digital display test pen." The body of the di
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30
Oct
2022
Smart use of low voltage test pen
Smart use of low voltage test pen An auxiliary safety tool that is frequently utilized is a low-voltage electroscope. It is used to check the liveness of electrical equipment's cas
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30
Oct
2022
Introduction to the design process of multi-purpose electroscope
Introduction to the design process of multi-purpose electroscope Design a multi-purpose electric pen, whose appearance is the same as that of ordinary electric test pen, it can not
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30
Oct
2022
How to use the test pen and matters needing attention
How to use the test pen and matters needing attention Master the two-grip test technique and a commonly used low-voltage test pen. The palm makes contact with the metal clip of a t
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30
Oct
2022
The reason why both the live wire and the neutral wire are bright when the te...
The reason why both the live wire and the neutral wire are bright when the test pen is on? It means that the line is live, that is to say, the line you are measuring is in use. For
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30
Oct
2022
What is the resistance of the electric pen in general?
What is the resistance of the electric pen in general? 1.5 megohms is normal. The resistance inside the test pen is usually around several megohms. When a test pen detects whether
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30
Oct
2022
Application and test principle of electric breakdown voltage tester
Application and test principle of electric breakdown voltage tester Application and test principle of electric breakdown voltage tester Purpose: The dielectric breakdown voltage te
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30
Oct
2022
Selection index and requirements of voltage tester
Selection index and requirements of voltage tester The selection index of the withstand voltage tester: The most important thing in choosing a withstand voltage meter is two indica
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30
Oct
2022
What are the types of electric test pens
What are the types of electric test pens 1. Weak current test pen: used for testing electronic products, the general test voltage is 6v--24v. For ease of use, there is often a lead
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30
Oct
2022
What is the use of the test pen
What is the use of the test pen 1. To establish whether or not the thing is charged. One pole is connected to the tip, while the second pole is attached to the other end of the pen
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30
Oct
2022
The internal composition of the test pen, the damage of the test pen
The internal composition of the test pen, the damage of the test pen What will happen to the live wire if the test pen's resistance breaks? Due to human error and live operation, w
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30
Oct
2022
The use method and precautions of the induction test pen
The use method and precautions of the induction test pen There must be a typical electrician instrument like an induction test pen because I think many individuals have checked the
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30
Oct
2022
The use of the electric test pen How to use the electric test pen accurately
The use of the electric test pen_How to use the electric test pen accurately One of the equipment that electricians frequently use to check whether an object is charged or not is a
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30
Oct
2022
How to use the inductive digital display pen
How to use the inductive digital display pen 1. Button description: A key "DIRECT": It is a direct measurement key (far away from the LCD screen), that is, when the metal front end
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29
Oct
2022
Repair the bedroom light under the double control switch with an electric pen...
Repair the bedroom light under the double control switch with an electric pen etc. The light in the bedroom suddenly went off and decided to fix it. The lights are controlled by a
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