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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25
Sep
2019
![[[TitleNews]]](/uploads/202225961/i202201221536007320149.jpg)
Introduction to Digital Microscope
The digital microscope is a high-tech product successfully developed by combining the sophisticated optical microscope technology, advanced photoelectric conversion technology and
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10
Sep
2019
![[[TitleNews]]](/uploads/202225961/i202201221530216595310.jpg)
Benefits of a Digital Microscope
A digital microscope is also called a video microscope. It converts the physical image seen by the microscope through digital-to-analog conversion to make it image on the screen or
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31
Aug
2019
![[[TitleNews]]](/uploads/202225961/i202201221521285943913.jpg)
Application of DC power supply
The DC regulated power supply has a wide range of applications and can be used in various industries such as electrolysis, wind energy, solar energy, mobile phone maintenance, elec
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12
Aug
2019
![[[TitleNews]]](/uploads/202225961/i202201221514409333817.jpg)
features of DC regulated power supply
1. The device is small in size and light in weight, and it is a small device, and it is very convenient to carry as a whole; 2. It has the advantages of high precision, high res
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21
Jul
2019
![[[TitleNews]]](/uploads/202225961/i202201221508474500521.jpg)
Application range of DC power supply
High frequency switching DC power supply system is suitable for large power plants, hydro power plants, ultra-high voltage, unattended substations as control, signal, protection, a
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05
Jul
2019
![[[TitleNews]]](/uploads/202225961/i202201221507106015968.jpg)
What does DC power supply do?
It is mainly used as an adjustable power supply for research units and laboratories, or as a fixed power supply for product life testing on production lines. This is the best optio
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21
Jun
2019
![[[TitleNews]]](/uploads/202225961/i202201221504185258651.jpg)
History of stabilized voltage supply
In 1955, the American scientist G.H.Royer first successfully developed a transistor-to-DC converter that uses the saturation of the magnetic core to perform self-excited oscillatio
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09
Jun
2019
![[[TitleNews]]](/uploads/202225961/i202201221459471718509.jpg)
Precautions for regulated power supply
1. In order to prevent magnetic leakage interference, the distance between the voltage stabilizer and the equipment used should not be less than 2 meters. Various magnetic records,
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22
May
2019
![[[TitleNews]]](/uploads/202225961/i202201221457368844140.jpg)
regulated power supply Installation condition
The stabilized power supply should be used in a ventilated and dry place indoors, and its use conditions are strict. The installation site should be free of gas, steam, chemical de
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03
May
2019
![[[TitleNews]]](/uploads/202225961/i202201221449235881550.jpg)
DC voltage regulator (DC Power supply)
lso known as DC voltage regulator. Its power supply voltage is mostly AC voltage. When the voltage of the AC power supply voltage or the output load resistance changes, the direct
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29
Apr
2019
![[[TitleNews]]](/uploads/202225961/i202201221446088146680.jpg)
The necessity of using regulated power supply
With the rapid advancement of society, the number of electrical equipment is increasing day by day. However, the aging and development of power transmission and distribution facili
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18
Apr
2019
![[[TitleNews]]](/uploads/202225961/i202201221204010728943.jpg)
Stabilized voltage supply
It is an electronic device that can provide stable AC or DC power for the load, including two categories of AC regulated power supply and DC regulated power supply. When the grid
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28
Mar
2019
![[[TitleNews]]](/uploads/202225961/i202201221201122336606.jpg)
Technical index of regulated power supply
(1) Voltage regulation coefficient (voltage regulation rate) SU: Under the condition that the load current and ambient temperature remain unchanged, the relative change of the inpu
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15
Mar
2019
![[[TitleNews]]](/uploads/202225961/i202201221148500549172.jpg)
characteristic index of regulated power supply
The characteristic index refers to the parameters indicating the working characteristics of the regulated power supply, such as input, output voltage and output current, voltage ad
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25
Feb
2019
![[[TitleNews]]](/uploads/202225961/i202201221144212778669.jpg)
Switching power supply
A switching power supply is a power supply that uses modern power electronics technology to control the time ratio of switching transistors on and off to maintain a stable output v
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05
Feb
2019
![[[TitleNews]]](/uploads/202225961/i202201221139370747124.jpg)
Power Supply Type
There are many types of power supplies, and a wide variety of regulated power supplies can be classified from different angles. According to the connection between the voltage sta
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30
Jan
2019
![[[TitleNews]]](/uploads/202225961/i202201221136494333738.jpg)
Introduction of DC power supply
The input of the DC power supply is the mains voltage of 220V. Under normal circumstances, the value of the required DC voltage is very different from the effective value of the gr
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11
Jan
2019
![[[TitleNews]]](/uploads/202225961/i202201221132241893602.jpg)
DC Power supply
The DC stabilized power supply is an energy conversion circuit, which converts 220V, 50Hz alternating current into direct current, which is an important part of the electronic circ
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25
Dec
2018
![[[TitleNews]]](/uploads/202225961/i202201221122338081608.jpg)
features of digital level
A measuring level is a measuring instrument that measures the inclination of a plane to the horizontal. The measured tilt angle can be displayed as an angle (unit: º) on the L
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12
Dec
2018
![[[TitleNews]]](/uploads/202225961/i202201221117231079878.jpg)
Principle of digital level
The angle sensor is sensitive to the horizontal inclination angle, and the inclination angle is directly displayed on the digital tube in the form of numerical value or uploaded to