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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13
Sep
2024
Introduction to the current clamp application
Introduction to the current clamp application An ammeter refers to an instrument used to measure the current in AC and DC circuits. In the circuit diagram, the symbol for the ammet
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13
Sep
2024
Why can a digital clamp meter measure voltage and resistance but not current?
Why can a digital clamp meter measure voltage and resistance but not current? The digital clamp meter (clamp meter) is mainly designed for measuring AC current, and it uses the Hal
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13
Sep
2024
Why is true effective value so important for clamp meters?
Why is true effective value so important for clamp meters? When choosing a caliper, the most common question often heard is "accuracy" and "precision". There ar
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13
Sep
2024
How to repair the value deviation of the resistance range of the meter
How to repair the value deviation of the resistance range of the meter The numerical deviation of the resistance range of the clamp meter may be caused by damage or aging of intern
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12
Sep
2024
Use clamp ammeter to check low voltage line leakage and power theft
Use clamp ammeter to check low voltage line leakage and power theft 1. Determine whether there is a problem with the residual current action protector itself The method is to disco
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12
Sep
2024
Correctly measure resistance, conduction, and frequency using a clamp ammeter
Correctly measure resistance, conduction, and frequency using a clamp ammeter Methods for measuring resistance Firstly, set the function switch to position. Secondly, insert the re
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12
Sep
2024
Analyze the working principle of the clamp ammeter from its internal structure
Analyze the working principle of the clamp ammeter from its internal structure The shape meter mainly consists of an electromagnetic ammeter and a through type current transformer.
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12
Sep
2024
Clamp ammeter application range and function skills description
Clamp ammeter application range and function skills description When measuring current with a regular ammeter, it is usually necessary to cut off the circuit and stop the machine b
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12
Sep
2024
How to use a clamp ammeter to determine motor failure
How to use a clamp ammeter to determine motor failure Example 1: A mineral destruction machine with a motor of 15kW. After major repairs, the motor operated normally without load,
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12
Sep
2024
How to maintain high voltage clamp ammeter
How to maintain high voltage clamp ammeter As a tool for detecting and discriminating parameter values in various situations, high-precision instrument maintenance is crucial. Due
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12
Sep
2024
How to detect faults in DC grounding systems using clamp ammeters
How to detect faults in DC grounding systems using clamp ammeters If there is a problem with the grounding of the DC busbar system in transformers, substations, and distribution ro
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12
Sep
2024
Operation and Use of the Clamp-Amplifier Principle
Operation and Use of the Clamp-Amplifier Principle The important component of a clamp ammeter is the clamp core sensor, which opens and clamps the killed wire by pressing the trigg
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12
Sep
2024
Clamp ammeter to check for electricity theft and leakage
Clamp ammeter to check for electricity theft and leakage Clamp on ammeter is the most practical electrical tool for measuring low-voltage lines, with high accuracy and good stabili
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12
Sep
2024
Will clamp-on ammeters be able to replace multimeters in the future?
Will clamp-on ammeters be able to replace multimeters in the future? The main "advantages" of clamp ammeter We can tell from its common name that the clamp ammeter has it
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11
Sep
2024
Principles and precautions for selecting voltmeters and ammeters
Principles and precautions for selecting voltmeters and ammeters 1, Selection of voltmeter ① When choosing a voltmeter, the first thing to clarify is whether the measured voltage i
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11
Sep
2024
Precautions when measuring with a clamp ammeter
Precautions when measuring with a clamp ammeter Firstly, when using, tighten the wrench to open the jaws, place the measured wire in the center of the jaws, then release the wrench
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11
Sep
2024
To measure DC current with a clamp-type ammeter, follow these steps
To measure DC current with a clamp-type ammeter, follow these steps A clamp ammeter is a combination of a current transformer and an ammeter. The iron core of the current transform
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11
Sep
2024
Common Faults and Causes of Clamp Ammeters
Common Faults and Causes of Clamp Ammeters No indication or inaccurate indication (1) Reason for malfunction: a. Low battery level: Clamp on ammeters usually require built-in batte
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11
Sep
2024
Principle of clamp ammeter and current clamp for testing current
Principle of clamp ammeter and current clamp for testing current In daily work, for most engineers, multimeters are used to measure electrical signals such as voltage, low current,
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11
Sep
2024
What are the precautions for using clamp ammeter?
What are the precautions for using clamp ammeter? Before inserting the clamp into the wire, the appropriate range should be adjusted in advance. Once the clamp is inserted into the
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