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27

Dec

2025

Four Key Factors Must Be Prioritized When Purchasing a Multimeter

Four Key Factors Must Be Prioritized When Purchasing a Multimeter A multimeter is a multifunctional product that is also easy to carry and is used for measuring various resistors,
26

Dec

2025

Methods for Judging the Condition of Components with a Multimeter:

Methods for Judging the Condition of Components with a Multimeter: 1. Detection of ordinary diodes Measure with an MF47 multimeter, connect the red and black probes to both ends of
26

Dec

2025

What to Consider When Selecting a Digital Multimeter?

What to Consider When Selecting a Digital Multimeter? A multimeter is a multifunctional, multi range mechanical indicator meter composed of a measuring mechanism of a magneto elect
26

Dec

2025

What Common Functions Does a Digital Multimeter Generally Have?

What Common Functions Does a Digital Multimeter Generally Have? There are many models and types of digital multimeters, and the measurement items and functions of different models
26

Dec

2025

Detecting Electric Leakage in Lighting Circuits with an Analog Multimeter

Detecting Electric Leakage in Lighting Circuits with an Analog Multimeter Once there is leakage in the lighting circuit, it not only wastes electrical energy, but may also cause el
26

Dec

2025

Multimeter Testing for Open-Circuit Faults in Lighting CircuitsMultimeter Tes...

Multimeter Testing for Open-Circuit Faults in Lighting Circuits When the lighting circuit is open, there is no voltage in the circuit, the lighting does not light up, and the elect
26

Dec

2025

Key Points to Note for Testing Resistors with a Multimeter

Key Points to Note for Testing Resistors with a Multimeter What is the detection method for resistors? It may sound simple, but it's not that simple either. In addition to the
26

Dec

2025

Testing Pressure Sensors with a Multimeter

Testing Pressure Sensors with a Multimeter The use of a multimeter to test pressure sensors can only be used for simple testing, and the test results are for reference only. There
26

Dec

2025

Identifying Transistor Types and Measuring DC Current Gain with a Digital Mul...

Identifying Transistor Types and Measuring DC Current Gain with a Digital Multimeter A transistor has two PN junctions, similar to the unidirectional conductivity of a diode. When
26

Dec

2025

Adjustment of the Range on an Analog Multimeter

Adjustment of the Range on an Analog Multimeter Generally speaking, a pointer multimeter can measure components such as voltmeters, resistors, capacitors, inductors, etc. Each meas
26

Dec

2025

How to Test Whether a Field-Effect Transistor Is Good or Bad with a Multimeter

How to Test Whether a Field-Effect Transistor Is Good or Bad with a Multimeter Due to the presence of a damping diode between the D-S poles of commonly used MOSFETs, the performanc
25

Dec

2025

Four Ingenious Uses of a Digital Multimeter

Four Ingenious Uses of a Digital Multimeter 1. Determine whether the circuit or component is electrified The AC voltage range of numbers is very sensitive, even if there is a small
25

Dec

2025

Simple Methods for Testing Inverters with a Multimeter

Simple Methods for Testing Inverters with a Multimeter A frequency converter is a device that modifies the operating frequency of a motor to control communication. With the popular
25

Dec

2025

How to Mark and Record Time with a Multimeter

How to Mark and Record Time with a Multimeter The time when the minimum and maximum values are detected is very useful information for determining the cause of intermittent faults.
25

Dec

2025

How to Test and Diagnose Electrical Faults with a Digital Multimeter

How to Test and Diagnose Electrical Faults with a Digital Multimeter How to use it to test and detect faults has always been a difficult task, because it is difficult to capture th
25

Dec

2025

Methods for Testing Diode Polarity and Condition with a Multimeter

Methods for Testing Diode Polarity and Condition with a Multimeter Detection principle: According to the unidirectional conductivity of diodes, diodes with good performance have lo
25

Dec

2025

Testing the Operating Status of a Transistor with a Multimeter

Testing the Operating Status of a Transistor with a Multimeter For example, if a power amplifier has no output and one of them only measures the voltage between the base and emitte
25

Dec

2025

Measure the Resistance of a Refrigerator's Complete Circuit with a Multimeter

Measure the Resistance of a Refrigerator's Complete Circuit with a Multimeter The fault detection of refrigerators can be carried out through inspection, listening to sound, to
25

Dec

2025

Steps to Measure Pulse Signals Using a Multimeter

Steps to Measure Pulse Signals Using a Multimeter If it is a simple detection of the presence or absence of pulse signals, or only an empirical value and an imprecise value, it can
25

Dec

2025

Some Operations of a Digital Multimeter and How to Operate It

Some Operations of a Digital Multimeter and How to Operate It 1. Measure the DC resistance value of the relay coil The method of measuring the DC resistance value of a relay with a

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