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20
Sep
2023
How Is It That The Zero Line Is A Little Bright When The Switch Controls The ...
How is it that the zero line is a little bright when the switch controls the live wire with a pencil? First of all, it should be clear that the zero line will not be charged und...
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20
Sep
2023
Why Is It Wrong To Say That The Circuit Must Be Electrified When The Electric...
Why is it wrong to say that the circuit must be electrified when the electric pen shines when checking with the electric pen? The luminescence of the electroscope (electric pen)...
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20
Sep
2023
What Happens When The Pencil Breaks The Fuse?
What happens when the pencil breaks the fuse? When a digital multimeter is used instead of a measuring pen to judge the zero line and the live line, the range switch can be adju...
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20
Sep
2023
Operation Method Of Digital Display Measuring Pen
Operation method of digital display measuring pen 1, immediate measurement method The immediate measurement method refers to the measurement method that the camera of the measur...
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19
Sep
2023
How To Judge The Quality Of Temperature Sensor With Multimeter
How to judge the quality of temperature sensor with multimeter Nowadays, electric water heaters have entered ordinary people's families and become one of the main household appl...
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19
Sep
2023
How To Measure Ct Polarity With Multimeter
How to measure ct polarity with multimeter How to measure ct polarity with multimeter Current transformer, CT: Electromagnetic current transformer is widely used in power system...
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19
Sep
2023
What May Be The Reason For The Broken Resistance File Of Mechanical Multimeter?
What may be the reason for the broken resistance file of mechanical multimeter? If the resistance gear of the mechanical multimeter, that is, the pointer multimeter, is damaged ...
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19
Sep
2023
Is The Voltage Measured By Multimeter in Series Or Parallel?
Is the voltage measured by multimeter in series or parallel? The multimeter measures the voltage in parallel and the current in series, whether it is AC or DC. The internal resi...
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19
Sep
2023
Measuring Method Of Measuring Capacitance With Digital Multimeter
Measuring method of measuring capacitance with digital multimeter It is convenient to measure the quality of a capacitor by using the capacitance file of a digital multimeter. T...
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18
Sep
2023
Classification Of Electric Soldering Iron And Introduction Of Some Practices ...
Classification of electric soldering iron and introduction of some practices before use Electric soldering iron is an artifact for electronic enthusiasts, and the welding of com...
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18
Sep
2023
How To Deal With The Leakage Of Electric Soldering Iron -Causes Of Electric S...
How to deal with the leakage of electric soldering iron _ Causes of electric soldering iron leakage Causes of leakage of electric soldering iron The leakage of soldering iron is...
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18
Sep
2023
Is There Any Poison in Soldering Iron?
Is there any poison in soldering iron? In fact, it depends on whether the soldering iron is lead-free or lead-free, and it is necessary to check the blood lead regularly. If it ...
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18
Sep
2023
Methods To Improve The Welding Quality Of Electric Soldering Iron
Methods to improve the welding quality of electric soldering iron 1. When welding with an electric soldering iron, it is necessary to ensure that each solder joint is firmly wel...
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18
Sep
2023
Characteristics Of Electric Soldering Iron Thermometer Principle Of Electric ...
Characteristics of electric soldering iron thermometer Principle of electric soldering iron thermometer Electric soldering iron thermometer is a high-precision instrument which ...
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15
Sep
2023
How To Check Whether The Line Is Short-circuited Or Grounded With A Multimeter?
How to check whether the line is short-circuited or grounded with a multimeter? As the most common and practical instrument for electricians, the multimeter is simple to use, bu...
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15
Sep
2023
Measure The Voltage Of Neutral Line And Ground Line With Multimeter.
Measure the voltage of neutral line and ground line with multimeter. 1, the zero line fire line is reversed This may happen because the lines are messy, the wires have no color ...
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15
Sep
2023
How To Measure Leakage Current With Multimeter
How to measure leakage current with multimeter How to measure the quality of motor with multimeter, how to use multimeter and how to measure leakage with multimeter. The multime...
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15
Sep
2023
How To Measure The Proximity Switch With A Multimeter
How to measure the proximity switch with a multimeter Proximity switch can be measured by multimeter; Its measurement method is also very simple, just regard it as a switch. So,...
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15
Sep
2023
Use A Multimeter To Measure The Forward Resistance Of The Diode, Why Each Gear?
Use a multimeter to measure the forward resistance of the diode, why each gear? Digital multimeter converts the measured resistance value into a digital signal through A/D conve...
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14
Sep
2023
Analysis Of Electromagnetic Interference Source Of High Frequency Switching P...
Analysis of electromagnetic interference source of High Frequency Switching Power Supply The rectifier and power transistor Q1 in the circuit, power transistors Q2 to Q5, high-f...