Contact Us
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Tel: +8618822802390
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E-mail: admin@gvda-instrument.com
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WhatsApp: 8618822802390
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Add: Room 610-612, Huachuangda Business Building, District 46, Cuizhu Road, Xin'an Street, Bao'an, Shenzhen
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01
Jan
2026
Methods for Locating Cable and Wire Breakpoints with a Digital Multimeter
Methods for Locating Cable and Wire Breakpoints with a Digital Multimeter In addition to measuring basic parameters such as voltage, current, resistance, capacitance, and transisto
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01
Jan
2026
The Causes Why There Is No Response When Measuring Capacitors with a Multimeter
The Causes Why There Is No Response When Measuring Capacitors with a Multimeter There are many reasons why there is no response when measuring capacitance with a multimeter. The de
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01
Jan
2026
Several Methods for Measuring Resistance with a Multimeter
Several Methods for Measuring Resistance with a Multimeter The principle of measuring resistance with a multimeter is actually based on Ohm's law. The voltage of a multimeter i
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01
Jan
2026
How to Check Capacitor Quality with a Multimeter
How to Check Capacitor Quality with a Multimeter The capacity of electrolytic capacitors is usually tested and judged using the R × 10, R × 100, and R × 1K ranges
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31
Dec
2025
What is the difference between a clamp multimeter and a regular multimeter
What is the difference between a clamp multimeter and a regular multimeter Clamp multimeters and general multimeters are two common types of electronic measuring instruments, and t
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31
Dec
2025
What does surge current mean on a multimeter
What does surge current mean on a multimeter A multimeter is a tool used by electricians to test specific parameters of circuits or electrical appliances. Surge current refers to t
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31
Dec
2025
How to Test if the Earth Wire Is Effective with a Multimeter
How to Test if the Earth Wire Is Effective with a Multimeter A pointer type multimeter, also known as an analog multimeter, works based on current passing through a movable pointer
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31
Dec
2025
Multimeter: Measuring Techniques for Different Objects
Multimeter: Measuring Techniques for Different Objects 1. Test speakers, headphones, and dynamic microphones: Use R × 1 Ω mode, connect one probe to one end, and touch
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31
Dec
2025
What the displayed numbers on a multimeter stand for
What the displayed numbers on a multimeter stand for Measurement of voltage 1. Measurement of DC voltage, such as batteries, portable audio power supplies, etc. First, insert the b
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31
Dec
2025
Which range should be used for measuring resistance with a multimeter
Which range should be used for measuring resistance with a multimeter A multimeter is a commonly used electrical measuring instrument used to measure basic electrical parameters su
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31
Dec
2025
Learn about the common hazards when using a multimeter
Learn about the common hazards when using a multimeter One type is caused by our operational errors, such as parallel connection of a multimeter to both ends of the circuit being m
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31
Dec
2025
Introduction to the Operation Steps of a Digital Multimeter
Introduction to the Operation Steps of a Digital Multimeter (1) Resistance measurement. Adjust the conversion switch to the Ω position and connect the measuring probe to both
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31
Dec
2025
Guidelines for Verifying Circuit Continuity with a Multimeter
Guidelines for Verifying Circuit Continuity 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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31
Dec
2025
How to Correctly Use a Multimeter for Measurement
How to Correctly Use a Multimeter for Measurement The function of a multimeter for measuring DC current is to insert the red probe into the socket with a "+" sign and the
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30
Dec
2025
How to Test the Remaining Battery Power with a Multimeter
How to Test the Remaining Battery Power with a Multimeter A multimeter can not only be used to measure the resistance of the object being measured, but also to measure AC and DC vo
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30
Dec
2025
Differences & Applications: Multimeter vs. Oscilloscope
Differences & Applications: Multimeter vs. Oscilloscope A digital multimeter, as its name suggests, is a multifunctional measuring instrument that can provide measurements of v
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30
Dec
2025
Guidelines for Verifying the Earth Wire with a Multimeter
Guidelines for Verifying the Earth Wire with a Multimeter 1, Preparation work Select range: Adjust the multimeter to the appropriate AC voltage range. It is generally recommended t
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30
Dec
2025
How to Test Whether the Earth Wire Is Effective with a Multimeter
How to Test Whether the Earth Wire Is Effective with a Multimeter A multimeter is a commonly used tool for electrical engineers and electricians to measure various electrical param
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30
Dec
2025
Fundamental Knowledge and Operation of Multimeters
Fundamental Knowledge and Operation of Multimeters When using a multimeter, the first step is to select the correct measurement range and gear to ensure accurate and safe measureme
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30
Dec
2025
How to Check if a Circuit Is Open or Closed with a Multimeter
How to Check if a Circuit Is Open or Closed with a Multimeter A multimeter can also be used to check the connectivity of a circuit, that is, to confirm whether a circuit is unobstr
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