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19

Dec

2025

Measurement of MOS Field-Effect Transistors (MOSFETs) Using a Digital Multimeter

Measurement of MOS Field-Effect Transistors (MOSFETs) Using a Digital Multimeter There are domestically produced 3D01, 4D01, and Nissan's 3SK series for N-channel. Determinatio
19

Dec

2025

Critical Precautions for Operating a Clamp Multimeter

Critical Precautions for Operating a Clamp Multimeter 1. Before using a digital multimeter, carefully read the user manual to familiarize yourself with the functions of the power s
18

Dec

2025

How to Identify the Three Pins of a Bipolar Junction Transistor (BJT) Using a...

How to Identify the Three Pins of a Bipolar Junction Transistor (BJT) Using a Multimeter? 1. Identify the base and determine the transistor type (NPN or PNP) For PNP transistors, t
18

Dec

2025

How to Verify the Functional Condition of a Relay Using a Digital Multimeter

How to Verify the Functional Condition of a Relay Using a Digital Multimeter (1) Directly detect with capacitor mode Some digital multimeters have the function of measuring capacit
18

Dec

2025

How to Test the Condition of a Relay with a Digital Multimeter?

How to Test the Condition of a Relay with a Digital Multimeter? By dividing the coil into two parts and using a resistor block, the resistance of the coil can be easily measured, u
18

Dec

2025

Introduction to Maintenance Methods for Digital Multimeters

Introduction to Maintenance Methods for Digital Multimeters For a faulty instrument, the first step is to check and distinguish whether the fault phenomenon is common (all function
18

Dec

2025

To prevent damage to the multimeter, please note the following precautions:

To prevent damage to the multimeter, please note the following precautions: 1. In most cases, damage to a digital multimeter is caused by measurement gear errors. For example, when
18

Dec

2025

Structure, Operation, and Operating Procedures of a Multimeter

Structure, Operation, and Operating Procedures of a Multimeter 1. The basic structure and appearance of a multimeter A multimeter mainly consists of three parts: an indicator, a me
18

Dec

2025

How to Perform Proper Maintenance for an Insulation Resistance Multimeter?

How to Perform Proper Maintenance for an Insulation Resistance Multimeter? The insulation resistance multimeter is an advanced intelligent precision instrument. Unless you are an a
18

Dec

2025

Methods and Operating Procedures for Checking the Condition of a Frequency Co...

Methods and Operating Procedures for Checking the Condition of a Frequency Converter with a Multimeter As is well known, there are many protection functions, such as overcurrent, o
18

Dec

2025

Methods, Steps, and Operating Procedures for AC Voltage Measurement with a Mu...

Methods, Steps, and Operating Procedures for AC Voltage Measurement with a Multimeter Measurement method of AC voltage 1. Insert the black probe into the COM socket and the red pro
18

Dec

2025

How to Perform Electrical Leakage Detection in Lighting Circuits with an Anal...

How to Perform Electrical Leakage Detection in Lighting Circuits with an Analog Multimeter Once there is leakage in the lighting circuit, it not only wastes electrical energy, but
17

Dec

2025

How to Select Between a Handheld Multimeter and a Benchtop Multimeter?

How to Select Between a Handheld Multimeter and a Benchtop Multimeter? A digital multimeter is a versatile electronic measuring instrument with various shapes and specifications, w
17

Dec

2025

How to Perform a Quick Test to Check the Condition of a Multimeter Fuse

How to Perform a Quick Test to Check the Condition of a Multimeter Fuse For engineers who often deal with electricity, safety is always the top priority. And a multimeter is an ess
17

Dec

2025

Methods and Techniques for Capacitance Measurement with a Multimeter

Methods and Techniques for Capacitance Measurement with a Multimeter 1. Measure directly using capacitance mode The digital multimeter has the function of measuring capacitance, an
17

Dec

2025

What are the Key Differences Between a Clamp Multimeter and a Standard Multim...

What are the Key Differences Between a Clamp Multimeter and a Standard Multimeter? Clamp multimeters and general multimeters are two common types of electronic measuring instrument
17

Dec

2025

Core Differences and Typical Applications of Multimeters vs. Oscilloscopes

Core Differences and Typical Applications of Multimeters vs. Oscilloscopes A digital multimeter, as its name suggests, is a multifunctional measuring instrument that can provide me
17

Dec

2025

How to Perform Remaining Battery Capacity Measurement with a Multimeter?

How to Perform Remaining Battery Capacity Measurement with a Multimeter? A multimeter can not only be used to measure the resistance of the object being measured, but also to measu
17

Dec

2025

Which Range to Select for Resistance Measurement with a Multimeter?

Which Range to Select for Resistance Measurement with a Multimeter? When using a multimeter, the first step is to select the correct measurement range and gear to ensure accurate a
17

Dec

2025

How to test whether a circuit is continuous with a multimeter?

How to test whether a circuit is continuous with a multimeter? Step 1: Preparation work Firstly, ensure that the circuit under test is in a disconnected state. If the circuit under

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