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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28
Jan
2022
![[[TitleNews]]](/uploads/202225961/i202201261031407732310.jpg)
Digital Multimeter Repair Tips
For a faulty instrument, first check and determine whether the fault phenomenon is common (all functions cannot be measured) or individual (individual functions or individual range
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25
Jan
2022
![[[TitleNews]]](/uploads/202225961/i202201261029222776330.jpg)
Product Repair of Digital Multimeters
Digital multimeters have high sensitivity and accuracy and are used in almost all businesses. However, due to the fact that there are many factors in its failure, and the randomnes
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22
Jan
2021
![[[TitleNews]]](/uploads/202225961/i202201251727105662207.jpg)
Product maintenance of digital multimeter
The digital multimeter is a precision electronic instrument, do not change the circuit at will, and pay attention to the following points: ⒈ Do not connect to a DC voltage higher t
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19
Jan
2022
![[[TitleNews]]](/uploads/202225961/i202201251725585798096.jpg)
Precautions for digital multimeters
In order to avoid electric shock and personal injury, please read the "Safety Information" and "Warnings and Cautions" in the manual before use. The following s
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16
Jan
2022
![[[TitleNews]]](/uploads/202225961/i202201251719002040201.jpg)
Digital Multimeter Measurement Tips
Use the R×1Ω gear, connect any test pen to one end, and the other test pen touches the other end. Normally, a crisp and loud "click" sound will be emitted. If there is no sound, th
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14
Jan
2022
![[[TitleNews]]](/uploads/202225961/i202201251717404298737.jpg)
Instructions for use of digital multimeter
The instrument is equipped with an automatic power cut-off circuit. When the working time of the instrument is about 30 minutes to 1 hour, the power supply is automatically cut off
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11
Jan
2022
![[[TitleNews]]](/uploads/202225961/i202201251714149404017.jpg)
Triode measurement of digital multimeter
The insertion of the test leads is the same as above; the principle is the same as that of the diode. Assume that pin A is the base, connect it with the black pen, and the red pen
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08
Jan
2022
![[[TitleNews]]](/uploads/202225961/i202201251712541939493.jpg)
Diode Measurements with Digital Multimeters
The digital multimeter can measure light-emitting diodes, rectifier diodes... When measuring, the position of the test leads is the same as that of voltage measurement, turn the kn
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01
Jan
2022
![[[TitleNews]]](/uploads/202225961/i202201251708194709447.jpg)
Resistance Measurements with Digital Multimeters
Insert the test leads into the "COM" and "VΩ" holes, turn the knob to the desired range in "Ω", and connect the test leads to the metal parts at both
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03
Jan
2022
![[[TitleNews]]](/uploads/202225961/i202201251710146091124.jpg)
DC Voltage Measurement with Digital Multimeter
If you don't know the voltage range to be measured, set the function switch to the maximum range and gradually decrease it.
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06
Jan
2022
![[[TitleNews]]](/uploads/202225961/i202201251711306019734.jpg)
Voltage measurement with digital multimeter
One of the most basic functions of a DMM is to measure voltage. Testing the voltage is usually the first step in troubleshooting a circuit problem. If there is no voltage or if the