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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05
Nov
2024
What is the difference between a multimeter and an electrician's pencil?
What is the difference between a multimeter and an electrician's pencil? Function: A multimeter is a multifunctional electronic measuring instrument mainly used to measure elec
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05
Nov
2024
Precautions for using induction tester
Precautions for using induction tester Instructions for using an induction measuring pen Commonly used low-voltage measuring pens, master the two grip method for testing. A pen sty
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05
Nov
2024
How to operate the digital display tester
How to operate the digital display tester 1. Immediate measurement method Immediate measurement method refers to the measurement method of directly contacting the camera of the mea
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05
Nov
2024
The internal composition of the test pen and the dangers of damage to the tes...
The internal composition of the test pen and the dangers of damage to the test pen If the resistance of the measuring pen is broken, what will happen when measuring the live wire?
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05
Nov
2024
In addition to being able to distinguish whether an object is charged, the el...
In addition to being able to distinguish whether an object is charged, the electric tester has the following uses: Electric pens are one of the things commonly used by electricians
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05
Nov
2024
The principle and use of the electric tester
The principle and use of the electric tester A measuring pen is one of the commonly used tools to determine whether an object is charged. Its internal structure is a light bulb wit
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25
Oct
2024
What is the principle of the electric pen? What does it mean when the electri...
What is the principle of the electric pen? What does it mean when the electric pen displays 12v? Do you know the principle of an electric pen, which is an auxiliary safety tool use
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25
Oct
2024
What is the structure of the test pen? How much voltage can the test pen meas...
What is the structure of the test pen? How much voltage can the test pen measure? A measuring pen is one of the essential tools for electricians, used to measure whether a conducto
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25
Oct
2024
In addition to determining whether an object is charged, the test pencil has ...
In addition to determining whether an object is charged, the test pencil has the following uses: 1. It can be used for low-voltage phase detection to measure whether any wires in t
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25
Oct
2024
How to use and precautions for induction tester
How to use and precautions for induction tester I believe many people have checked their home wiring or electricity meters, so induction probes, a commonly used electrical tool, ar
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25
Oct
2024
Introduction of Multi-function Electric Test Pen
Introduction of Multi-function Electric Test Pen (1) Check whether the filaments of light bulbs and fluorescent tubes are burned out. When ordinary frosted glass or colored incande
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25
Oct
2024
The internal composition of the tester and the hazards of a damaged tester
The internal composition of the tester and the hazards of a damaged tester If the resistance of the measuring pen is broken, what will happen when measuring the live wire? The prob
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25
Oct
2024
The purpose of the electric tester-How to use the electric tester accurately
The purpose of the electric tester_How to use the electric tester accurately A measuring pen is one of the things commonly used by electricians to distinguish whether an object is
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25
Oct
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? 1, Regarding this issue, the reason for the phenomenon
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25
Oct
2024
How to confirm the ground wire and neutral wire with an electric tester?
How to confirm the ground wire and neutral wire with an electric tester? 1. When powered on and measured with an electric pen, the live wire will light up. 2. Disconnect the neutra
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25
Oct
2024
How to use an induction test pencil? How to use an induction test pen
How to use an induction test pencil? How to use an induction test pen Inductive measuring pen can measure AC power and DC power. When measuring DC battery, touch the other pole of
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25
Oct
2024
The negative half cycle flows from the neutral line to the live line. Why is ...
The negative half cycle flows from the neutral line to the live line. Why is the live line always bright when using a tester? The reason why the live wire is lit up when measured w
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25
Oct
2024
Alternative use of the tester
Alternative use of the tester In addition to being able to determine whether an object is charged, a measuring pen also has the following uses: (1) It can be used for low-voltage p
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25
Oct
2024
Detailed explanation of the use of induction digital display test pen
Detailed explanation of the use of induction digital display test pen 1, Button Description: A key "Direct": This is the direct measurement key (located far from the LCD
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25
Oct
2024
How to use a digital display tester?
How to use a digital display tester? Answer: The correct use of digital measuring pens should include the following: (1) Button Description: (A key) Direct, directly measure the bu
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