The handheld video endoscope often has unique advantages in the quality inspection of various pipes, deep holes and inner surfaces of closed containers, and has gradually become a non-destructive inspection method superior to other inspection methods. There are many types of handheld video endoscopes, but the detection principle of each product is the same. The probe end lens is used to collect...

　　The handheld video endoscope is now used in various fields. Its main function is to detect pipelines, automobiles, machinery and other equipment that cannot be observed by the naked eye. The methods and uses of the handheld video endoscope are different in different industries. So when purchasing a handheld video endoscope, what operating environments should you clearly understand? 　　First of...