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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
22

Jul

2026

Points to Note When Testing Resistors with a Multimeter

Points to Note When 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 cor
21

Jul

2026

How to Accurately Identify Three Pins of a Transistor with a Multimeter

How to Accurately Identify Three Pins of a Transistor with a Multimeter The b-pole of a transistor is easy to measure, but how can we determine which one is c and which one is e? H
21

Jul

2026

The following points need to be considered before purchasing a multimeter:

The following points need to be considered before purchasing a multimeter: 1. The reading accuracy of pointer meters is poor, but the process of pointer oscillation is relatively i
21

Jul

2026

Key Notes for Using the Voltage Drop Measurement Method with a Multimeter:

Key Notes for Using the Voltage Drop Measurement Method with a Multimeter: (1) The full-scale test voltage and open circuit voltage of different models of digital multimeters with
21

Jul

2026

Simple Methods to Judge Inverter Faults with Multimeter

Simple Methods to Judge Inverter Faults with Multimeter A frequency converter is a device that modifies the operating frequency of a motor to control communication. With the popula
21

Jul

2026

Maintenance and Servicing of Insulation Resistance Tester

Maintenance and Servicing of Insulation Resistance Tester 1, General maintenance and upkeep 1) Regularly clean the casing of the instrument with a damp cloth and neutral cleaning a
21

Jul

2026

Points to note when using the voltage drop measurement method with a multimeter:

Points to note when using the voltage drop measurement method with a multimeter: (1) The full-scale test voltage and open circuit voltage of different models of digital multimeters
21

Jul

2026

Measuring In-circuit Resistance with a Multimeter

Measuring In-circuit Resistance with a Multimeter Before describing the load voltage reduction measurement method, it is necessary to first introduce the principle of measuring res
21

Jul

2026

What are the structural features of analog multimeters

What are the structural features of analog multimeters A multimeter, also known as an analog multimeter, uses a sensitive electromagnetic DC ammeter (microampere meter) as its dial
21

Jul

2026

Methods and Steps for Measuring AC Voltage with Multimeter

Methods and Steps for Measuring AC Voltage with Multimeter 1, Method for measuring AC voltage: 1. Insert the black probe into the COM socket and the red probe into the V/Ω so
21

Jul

2026

Precautions for Measuring DC Voltage with Multimeter

Precautions for Measuring DC Voltage with Multimeter This is a method of measuring the DC supply voltage and the operating voltage of peripheral components using a DC voltage range

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