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12

May

2025

How to use the commonly used functions of a multimeter?

How to use the commonly used functions of a multimeter? The most commonly used multimeter nowadays is the digital multimeter. The following introduces several of its most commonly
12

May

2025

How to measure the quality of a solid-state relay with a digital multimeter?

How to measure the quality of a solid-state relay with a digital multimeter? Solid-state relays are abbreviated as SSRs. It is a new type of contactless switch composed of electron
12

May

2025

Introduction on How to Check for Leakage with a Digital Multimeter

Introduction on How to Check for Leakage with a Digital Multimeter Set the digital multimeter to the AC-750V range. As shown in the attached diagram, touch one test lead to the met
12

May

2025

Is there a significant difference in accuracy between a clamp meter and a mul...

Is there a significant difference in accuracy between a clamp meter and a multimeter? When measuring with an ammeter, the circuit must be disconnected, and then the ammeter should
12

May

2025

Introduction on How to Use a Multimeter to Check Whether the Circuit is Short...

Introduction on How to Use a Multimeter to Check Whether the Circuit is Short - Circuited or Grounded If you want to check whether the circuit is short-circuited, first cut off the
12

May

2025

Will the digital multimeter replace the analog pointer multimeter?

Will the digital multimeter replace the analog pointer multimeter? Here's the English translation highlighting the key differences between digital and analog multimeters: Key D
12

May

2025

How to measure the quality of a battery with a multimeter?

How to measure the quality of a battery with a multimeter? First, select an appropriate load resistor, and then connect the load resistor in parallel between the positive and negat
12

May

2025

The reasons for the LED light bead not lighting up as measured by a multimeter

The reasons for the LED light bead not lighting up as measured by a multimeter Characteristics of Diodes Diodes have the characteristic of conducting in the forward direction and b
12

May

2025

The method of distinguishing the neutral wire and the live wire using a multi...

The method of distinguishing the neutral wire and the live wire using a multimeter Set the dial of the pointer multimeter (digital meter) to the position of AC voltage 500V. Hold t
12

May

2025

What is the practical use of measuring resistance with a multimeter?

What is the practical use of measuring resistance with a multimeter? Coil type: Use two test leads to measure both ends of the coil. The purpose is to determine whether the coil is
11

May

2025

How to use a multimeter to convert the resistance - temperature detector (RTD...

How to use a multimeter to convert the resistance - temperature detector (RTD) signal into a rough temperature value? Both commonly used analog multimeters and digital multimeters
11

May

2025

The usage method of using a digital multimeter to check whether the circuit i...

The usage method of using a digital multimeter to check whether the circuit is grounded. Set the digital multimeter to the resistance range above 20K and measure the insulation bet
11

May

2025

What does the multimeter display when the circuit is grounded or short - circ...

What does the multimeter display when the circuit is grounded or short - circuited? Measure the circuit in the case of power outage using the 10k gear of the multimeter and disconn
11

May

2025

Method for Determining Transistor Polarity with a Digital Multimeter

Method for Determining Transistor Polarity with a Digital Multimeter The figure shows the method of using the PN junction gear to distinguish the NPN-type transistor. Connect the r
11

May

2025

When measuring an LED lamp bead, use a multimeter with a power supply of more...

When measuring an LED lamp bead, use a multimeter with a power supply of more than 4.5V to make the LED lamp bead emit light. You can easily check the functionality of low-power LE
11

May

2025

The error in voltage measurement by a multimeter

The error in voltage measurement by a multimeter In a digital multimeter, the measurement process involves converting the measured quantity into a DC voltage signal via a conversio
11

May

2025

The testing method of using a multimeter to check whether the circuit is shor...

The testing method of using a multimeter to check whether the circuit is short-circuited or grounded. If you want to check whether the circuit is short-circuited, first cut off the
11

May

2025

Explanation of Common Misunderstandings in the Use of Digital Multimeters

Explanation of Common Misunderstandings in the Use of Digital Multimeters Digital multimeters are very popular among radio enthusiasts due to their advantages such as accurate meas
11

May

2025

What are the fault prevention measures for digital multimeters?

What are the fault prevention measures for digital multimeters? The digital multimeter (DMM) is an electronic instrument used in electrical measurements. It can have many special f
11

May

2025

Introduction to the Method of Measuring DC Working Voltage with a Multimeter

Introduction to the Method of Measuring DC Working Voltage with a Multimeter This is a method of measuring the DC supply voltage and the working voltage of peripheral components us

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