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24

Jul

2026

When buying a multimeter, you must focus on the following points:

When buying a multimeter, you must focus on the following points: (1) Display mode Digital multimeters are suitable for situations with relatively high measurement requirements; An
23

Jul

2026

Detecting Open Circuit Faults in Lighting Circuits with a Multimeter

Detecting Open Circuit Faults in Lighting Circuits with a Multimeter When the lighting circuit is open, there is no voltage in the circuit, the lighting does not light up, and the
23

Jul

2026

Precautions for Resistor Testing Using a Multimeter

Precautions for Resistor Testing Using a Multimeter What is the detection method for resistors? It may sound simple, but it's not that simple either. In addition to the correct
23

Jul

2026

How to Test the Quality of FETs with a Multimeter

How to Test the Quality of FETs with a Multimeter Due to the presence of a damping diode between the D-S poles of commonly used MOSFETs, the performance of MOSFETs can be determine
23

Jul

2026

Care & Maintenance of Insulation Resistance Multimeter

Care & Maintenance of Insulation Resistance Multimeter The insulation resistance multimeter is an advanced intelligent precision instrument. Unless you are an authorized profes
23

Jul

2026

Guidelines for Preventing Damage to Digital Multimeters

Guidelines for Preventing Damage to Digital Multimeters Digital multimeters are popular among radio enthusiasts due to their advantages of accurate measurement, convenient value ta
23

Jul

2026

How to Measure AC Voltage with an Analog Multimeter

How to Measure AC Voltage with an Analog Multimeter 1, Measure AC voltage of 10-1000V and turn the switch to the desired voltage range 2, When measuring AC 2500V, the switch should
23

Jul

2026

Failure Causes and Prevention Methods of Digital Multimeters

Failure Causes and Prevention Methods of Digital Multimeters However, improper use of a digital multimeter can easily cause damage to the components inside the meter during actual
23

Jul

2026

Steps for Measuring Pulse Signals with Multimeter

Steps for Measuring Pulse Signals with 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
23

Jul

2026

Measure AC and DC Current with Multimeter

Measure AC and DC Current with Multimeter 1. Before measuring the current, first determine the nature of the current (AC and DC) and the range of current magnitude. 2. Choose appro
23

Jul

2026

Tips for Avoiding Digital Multimeter Damage

Tips for Avoiding Digital Multimeter Damage Digital multimeters are popular among radio enthusiasts due to their advantages of accurate measurement, convenient value taking, and co
22

Jul

2026

Introduction to Time Marking and Recording with a Multimeter

Introduction to Time Marking and Recording with a Multimeter The time when the minimum and maximum values are detected is very useful information for determining the cause of inter
22

Jul

2026

How to Mark and Record Time Using a Multimeter

How to Mark and Record Time Using a Multimeter The time when the minimum and maximum values are detected is very useful information for determining the cause of intermittent faults
22

Jul

2026

How to Test and Check Electrical Faults with a Multimeter

How to Test and Check Electrical Faults with a Multimeter How to use it to test and detect faults has always been a difficult task, because it is difficult to capture the electrica
22

Jul

2026

Methods for Testing Polarity and Quality of Diodes with a Multimeter

Methods for Testing Polarity and Quality of Diodes with a Multimeter Detection principle: According to the unidirectional conductivity of diodes, diodes with good performance have
22

Jul

2026

Easily Detect Poor Contact of Potentiometers with a Multimeter

Easily Detect Poor Contact of Potentiometers with a Multimeter When using a multimeter to test a potentiometer, the appropriate gear should be selected based on the nominal value o
22

Jul

2026

Detection of Battery Starting Voltage by Multimeter

Detection of Battery Starting Voltage by Multimeter The panel of the multimeter has three areas: display, function switch, measurement socket area, and probe socket area. A multime
22

Jul

2026

Major Factors to Consider When Buying a Multimeter

Major Factors to Consider When Buying a Multimeter Multimeters are extremely important in the daily work of electrical maintenance personnel. There are countless types of multimete
22

Jul

2026

Forbidden Operations When First Using a Multimeter

Forbidden Operations When First Using a Multimeter 1. It is prohibited to use the resistance mode, current mode, and capacitance mode of a multimeter to measure voltage. 2. Do not
22

Jul

2026

Testing Open Circuit Faults in Lighting Circuits with a Multimeter

Testing Open Circuit Faults in Lighting Circuits with a Multimeter When the lighting circuit is open, there is no voltage in the circuit, the lighting does not light up, and the el

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