Contact Us
-
Tel: +8618822802390
-
E-mail: admin@gvda-instrument.com
-
WhatsApp: 8618822802390
-
Add: Room 610-612, Huachuangda Business Building, District 46, Cuizhu Road, Xin'an Street, Bao'an, Shenzhen
-
23
Nov
2022
What fields are optical microscopes mainly used in?
What fields are optical microscopes mainly used in? The scientific microscope is an ancient and young scientific tool. It has a history of three hundred years since its birth. Opti
-
23
Nov
2022
How to improve the resolution of the microscope?
How to improve the resolution of the microscope? Microscope is one of the main equipment of testing equipment, and the important index to judge the performance of microscope is res
-
23
Nov
2022
Advantages of Electron Microscopes vs. Light Microscopes
Advantages of Electron Microscopes vs. Light Microscopes An electron microscope is an instrument that uses electron beams and electron lenses instead of light beams and optical len
-
23
Nov
2022
How to Calculate the Area of View under a Microscope
How to Calculate the Area of View under a Microscope Reading pathological films under a microscope is one of the most important tasks in the work of pathologists. The results of mi
-
23
Nov
2022
Five basic steps in using a microscope
Five basic steps in using a microscope 1. Place the microscope: Hold the mirror arm with your right hand, hold the mirror base with your left hand, put the microscope on the labora
-
23
Nov
2022
How to adjust the microscope to make the image of the object clearer
How to adjust the microscope to make the image of the object clearer The optical microscope mainly uses the objective lens group and the eyepiece lens to form an image, and the obj
-
23
Nov
2022
Difference Between Ordinary Microscope and Fluorescence Microscope
Difference Between Ordinary Microscope and Fluorescence Microscope Fluorescence microscopes use ultraviolet light as a light source to irradiate the object to be inspected, so that
-
23
Nov
2022
How to calculate microscope magnification
How to calculate microscope magnification The total optical magnification = the magnification of the eyepiece X the magnification of the objective lens (if there is an additional o
-
23
Nov
2022
Difference Between Fluorescence Microscope and Ordinary Microscope
Difference Between Fluorescence Microscope and Ordinary Microscope The difference between an optical microscope and an electron microscope is that an optical microscope can only se
-
23
Nov
2022
How to confirm live wire and neutral wire with electric test pen
How to confirm live wire and neutral wire with electric test pen 1. Connect live wire and neutral wire respectively with a test pen. If the neutral wire is unresponsive, the light
-
23
Nov
2022
The four major usages of the electroscope pen necessary for electricians can ...
The four major usages of the electroscope pen necessary for electricians can be understood at a glance! Function 1: Measure whether there is voltage in the line This is the most co
-
23
Nov
2022
Classification of voltage test pens
Classification of voltage test pens According to the level of the measured voltage: High-voltage measuring pen: used for 10kv and above projects, and is a daily testing tool for el
-
23
Nov
2022
How to operate the digital display pen
How to operate the digital display pen 1. Immediate measurement method The immediate measurement method refers to the method of directly touching the camera of the test pen to the
-
23
Nov
2022
Precautions for using the induction test pen
Precautions for using the induction test pen 1. Before using the test pencil, first check whether there is a safety resistor in the test pencil, and then visually check whether the
-
23
Nov
2022
The operation method of the digital display test pen
The operation method of the digital display test pen 1. Immediate measurement method The immediate measurement method refers to the method of directly touching the camera of the te
-
23
Nov
2022
How to use the sensor test pen
How to use the sensor test pen Commonly used low-voltage test pens, master the two-grip method of testing. A pen-style tester, the metal clip is pressed against the palm of the han
-
23
Nov
2022
How to measure a breakpoint with an electronic test pen
How to measure a breakpoint with an electronic test pen Everyone should be familiar with the electronic test pen. On this test pen, there are two metal blocks. The one near the top
-
23
Nov
2022
Do you know that the electric test pen has these functions in addition to ele...
Do you know that the electric test pen has these functions in addition to electric measurement? 1) First of all, the electric pen can be used for low-voltage phase verification to
-
23
Nov
2022
Test the nine functions and usage of the electric pen application test!
Test the nine functions and usage of the electric pen application test! Structural principles: It is composed of neon tubes (commonly known as neon bulbs), resistors, springs, etc.
-
23
Nov
2022
In addition to judging whether the object is charged, what is the purpose of ...
In addition to judging whether the object is charged, what is the purpose of the test pen: (1) It can be used for low-voltage phase verification to measure whether any wires in the
![[[TitleNews]]](/uploads/202225961/i202211241458023296337.jpg)
![[[TitleNews]]](/uploads/202225961/i202211241452530939294.jpg)
![[[TitleNews]]](/uploads/202225961/i202211241445547643274.jpg)
![[[TitleNews]]](/uploads/202225961/i202211241442275448629.jpg)
![[[TitleNews]]](/uploads/202225961/i202211241437166529654.jpg)
![[[TitleNews]]](/uploads/202225961/i202211241433141362778.jpg)
![[[TitleNews]]](/uploads/202225961/i202211241428022915403.jpg)
![[[TitleNews]]](/uploads/202225961/i202211241421057742460.jpg)
![[[TitleNews]]](/uploads/202225961/i202211241419097112227.jpg)
![[[TitleNews]]](/uploads/202225961/i202211241414331007654.jpg)
![[[TitleNews]]](/uploads/202225961/i202211241408470370618.jpg)
![[[TitleNews]]](/uploads/202225961/i202211241401485352522.jpg)
![[[TitleNews]]](/uploads/202225961/i202211241357551122366.jpg)
![[[TitleNews]]](/uploads/202225961/i202211241356332528524.jpg)
![[[TitleNews]]](/uploads/202225961/i202211241349027652472.jpg)
![[[TitleNews]]](/uploads/202225961/i202211241346182488823.jpg)
![[[TitleNews]]](/uploads/202225961/i202211241335485590180.jpg)
![[[TitleNews]]](/uploads/202225961/i202211241156106303880.jpg)
![[[TitleNews]]](/uploads/202225961/i202211241148321289798.jpg)
![[[TitleNews]]](/uploads/202225961/i202211241143319561002.jpg)