Apr 14, 2026
Correct Use of Infrared Thermometers for Equipment Fault Diagnosis
Correct Use of Infrared Thermometers for Equipment Fault Diagnosis The core issue of infrared diagnosis for equipment faults recommended by infrared thermometer
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![How to use the multimeter GVDA]()
How to use the multimeter GVDAHow to use the multimeter (1) The voltage below 36V is a safe voltage. When measuring higher than 36V DC and 25V AC, it is necessary to check whetherMay 19, 2022 -
![Use a multimeter to determine the positive and negative poles of the speaker]()
Use a multimeter to determine the positive and negative poles of the speakerUse a multimeter to determine the positive and negative poles of the speaker First, turn the pointer multimeter to DC 0~5mA, and then connect the twoMay 18, 2022 -
![Principle of Electromagnetic Radiation Meter]()
Principle of Electromagnetic Radiation MeterPrinciple of Electromagnetic Radiation Meter The electromagnetic radiation measuring instrument is mainly composed of sensors, filter network, amplifMay 18, 2022 -
![The use of the ohm gear of the digital multimeter]()
The use of the ohm gear of the digital multimeterThe use of the ohm gear of the digital multimeter (1) Select the appropriate magnification. When measuring resistance with an ohmmeter, an appropriatMay 18, 2022 -
![Precautions for the use of the multimeter]()
Precautions for the use of the multimeterPrecautions for the use of the multimeter (1) Before using the multimeter, "mechanical zero adjustment" should be performed first, that is, when therMay 18, 2022 -
![How to detect thyristor with the help of a multimeter]()
How to detect thyristor with the help of a multimeterHow to detect thyristor with the help of a multimeter The thyristor is divided into one-way thyristor and two-way thyristor, both of which are threeMay 18, 2022 -
![How to tell if a Fluke multimeter is real or fake]()
How to tell if a Fluke multimeter is real or fakeHow to tell if a Fluke multimeter is real or fake For engineering friends, a multimeter is a must; in the family life of industry professionals, aMay 18, 2022 -
![DC power supply activated]()
DC power supply activatedDC power supply activated When the battery power is very low, the charger cannot be charged; adjust the voltage of the DC power supply to about 3.7May 18, 2022 -
![Why activate first when using DC power supply]()
Why activate first when using DC power supplyWhy activate first when using DC power supply? DC power supply is a very important equipment in the power supply industry. Telecom DC power supplyMay 18, 2022 -
![The DC power supply has both voltage output and current output, but if the vo...]()
The DC power supply has both voltage output and current output, but if the vo...The DC power supply has both voltage output and current output, but if the voltage is adjusted again, the voltage cannot be adjusted up. Or the powerMay 18, 2022 -
![When the DC stabilized power supply adjusts the voltage, it is found that the...]()
When the DC stabilized power supply adjusts the voltage, it is found that the...When the DC stabilized power supply adjusts the voltage, it is found that the no-load voltage cannot be adjusted. Some operators like to turn the "May 18, 2022 -
![The output of the DC regulated power supply has voltage but no current, or ha...]()
The output of the DC regulated power supply has voltage but no current, or ha...The output of the DC regulated power supply has voltage but no current, or has current but no voltage In any of the above cases, the power supply iMay 17, 2022 -
![recautions for the use of GVDA DC regulated power supply]()
recautions for the use of GVDA DC regulated power supplyrecautions for the use of DC regulated power supply 1. According to the required voltage, first adjust the "coarse adjustment" knob, and then graduMay 17, 2022 -
![Basic functions of DC regulated power supply]()
Basic functions of DC regulated power supplyBasic functions of DC regulated power supply The DC regulated power supply generally has multiple outputs: for example, a fixed output of 5V, 2A isMay 17, 2022 -
![How to judge the voltage tester pen according to the exclusion method]()
How to judge the voltage tester pen according to the exclusion methodHow to judge the voltage tester pen according to the exclusion method If you choose A or B, the short circuit between the live wire and the neutralMay 17, 2022 -
![How to judge the voltage between the lines of the voltage tester pen]()
How to judge the voltage between the lines of the voltage tester penHow to judge the voltage between the lines of the voltage tester pen There are two wires in the home circuit, one is the live wire and the other isMay 17, 2022 -
![Digital multimeter to measure the continuity of wires]()
Digital multimeter to measure the continuity of wiresDigital multimeter to measure the continuity of wires 1. A digital multimeter is a powerful tool for electronic measurement. It can be used to measMay 17, 2022 -
![The development trend of digital multimeter]()
The development trend of digital multimeterThe development trend of digital multimeter Integrated The handheld digital multimeter uses a single-chip A/D converter, and the peripheral circuiMay 17, 2022 -
![Anti-interference ability of digital multimeter]()
Anti-interference ability of digital multimeterAnti-interference ability of digital multimeter Simple digital multimeters generally use the principle of integral A/D conversion. As long as the forMay 17, 2022 -
![Test Functions of Digital Multimeters]()
Test Functions of Digital MultimetersTest Functions of Digital Multimeters Most of the digital multimeters have added the following novel and practical test functions: reading hold (HOMay 17, 2022
