May 27, 2026
Notes on using the multimeter for voltage drop measurement:
Notes on using the multimeter for voltage drop measurement: (1) The full-scale test voltage and open circuit voltage of different models of digital multimeters
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![What kind of soldering iron to use to repair electrical appliances?]()
What kind of soldering iron to use to repair electrical appliances?What kind of soldering iron to use to repair electrical appliances? To repair electrical appliances, a common tool must be a soldering iron, but whichFeb 13, 2024 -
![After switching on the soldering iron, why does it not heat up?]()
After switching on the soldering iron, why does it not heat up?After switching on the soldering iron, why does it not heat up? If the soldering iron does not heat up when it is powered on, it is usually caused byFeb 13, 2024 -
![Basic instructions on how to use a soldering iron]()
Basic instructions on how to use a soldering ironBasic instructions on how to use a soldering iron The electric soldering iron is the most commonly used tool in electronic welding. Its function is toFeb 13, 2024 -
![An introduction to the main points of welding with an electric soldering iron]()
An introduction to the main points of welding with an electric soldering ironAn introduction to the main points of welding with an electric soldering iron 1. Selection of soldering iron The power of the soldering iron should beFeb 13, 2024 -
![After sitting idle for a while, why does the soldering iron not heat up?]()
After sitting idle for a while, why does the soldering iron not heat up?After sitting idle for a while, why does the soldering iron not heat up? 1. Not hot at all If it is not hot at all, use the electrical resistance of aFeb 13, 2024 -
![How to protect the soldering iron tip]()
How to protect the soldering iron tipHow to protect the soldering iron tip The soldering iron tip of a newly purchased electric soldering iron needs to be tinned before use. For copper soFeb 13, 2024 -
![Correct use of soldering iron in circuit repair, precautions and usage skills]()
Correct use of soldering iron in circuit repair, precautions and usage skillsCorrect use of soldering iron in circuit repair, precautions and usage skills The soldering iron is an essential tool for electronic repair. The correFeb 13, 2024 -
![Welding Iron Wire Welding Tips and Welding Accessories]()
Welding Iron Wire Welding Tips and Welding AccessoriesWelding Iron Wire Welding Tips and Welding Accessories Manual welding process: 1. Inspection before operation (1) Insert the soldering iron plug intoFeb 13, 2024 -
![Introduction to maintenance methods of electric soldering iron tips]()
Introduction to maintenance methods of electric soldering iron tipsIntroduction to maintenance methods of electric soldering iron tips Before carrying out welding work The cleaning sponge must be wetted with water firFeb 13, 2024 -
![A soldering iron is required for soldering and disassembling components.]()
A soldering iron is required for soldering and disassembling components.A soldering iron is required for soldering and disassembling components. 1. Get rid of the oxide layer. The purpose of removing the oxide layer is toFeb 13, 2024 -
![Why does the soldering iron use rosin?]()
Why does the soldering iron use rosin?Why does the soldering iron use rosin? Rosin is the most commonly used flux. It is neutral and will not corrode circuit components and soldering ironFeb 13, 2024 -
![What is the difference between internal heat and external heat in a soldering...]()
What is the difference between internal heat and external heat in a soldering...What is the difference between internal heat and external heat in a soldering iron? The externally heated soldering iron uses an electric heating tubeFeb 12, 2024 -
![Can diodes be connected in series with a 48V DC soldering iron?]()
Can diodes be connected in series with a 48V DC soldering iron?Can diodes be connected in series with a 48V DC soldering iron? If diodes cannot be connected in series, a small resistor should be connected in serieFeb 12, 2024 -
![How to emergency solder wires without a soldering iron]()
How to emergency solder wires without a soldering ironHow to emergency solder wires without a soldering iron How to solder wires without a soldering iron? The easiest way is to burn them with a lighter. IFeb 12, 2024 -
![What is the normal operating temperature of a soldering iron?]()
What is the normal operating temperature of a soldering iron?What is the normal operating temperature of a soldering iron? The temperature of the soldering iron is 300-400℃. Specifically, when electronic materiaFeb 12, 2024 -
![How long must the soldering iron be heated and how long can it be used withou...]()
How long must the soldering iron be heated and how long can it be used withou...How long must the soldering iron be heated and how long can it be used without damage to the soldering iron? Turn on the electricity and heat it for aFeb 12, 2024 -
![Can cooling be achieved by using a soldering iron to connect a diode in series?]()
Can cooling be achieved by using a soldering iron to connect a diode in series?Can cooling be achieved by using a soldering iron to connect a diode in series? The purpose of connecting diodes in series is to reduce the voltage anFeb 12, 2024 -
![Several methods to solve the problem of soldering iron tip not sticking to so...]()
Several methods to solve the problem of soldering iron tip not sticking to so...Several methods to solve the problem of soldering iron tip not sticking to solder 1. Prepare high-quality solder, rosin, and high-temperature sponge.Feb 12, 2024 -
![Is it possible to heat a soldering iron in an environment where there is no o...]()
Is it possible to heat a soldering iron in an environment where there is no o...Is it possible to heat a soldering iron in an environment where there is no oxygen? The soldering iron can be heated in the absence of oxygen. BecauseFeb 12, 2024 -
![How to classify an electric soldering iron and how to prepare before using it]()
How to classify an electric soldering iron and how to prepare before using itHow to classify an electric soldering iron and how to prepare before using it The soldering iron is an artifact for electronics enthusiasts. The weldiFeb 12, 2024
