What are the parameters of the tube endoscope?
Oct 27, 2022
The performance parameters of the endoscope (which can be simply understood as a special camera) are as follows: Power supply power supply system design, light type and intensity of illumination, quality/photographic image sensor chip (affect the sharpness of the image), length, diameter, depth of field, field of view Angle, lens (some endoscopic lenses can measure position, most of the endoscope can see can't measure), focal length (usually have a scope and shape in the factory production, Some endoscope products can adjust the focal length), there are other functions, such as waterproof standards, video capture record output saving, etc.
1. Check the size of the extension hole. Check the size of the extension hole, which will limit the size of the endoscope tube diameter (or working diameter).
2. Approach path of the detection point. If the approach path to the detection point is short and linear, it is more suitable to use rigid endoscope for detection work; If the approach path is curved (or tortuous), the flexible endoscope or flexible flexible flexible electronic image endoscope must be selected
3. Check the position of the extension hole. During testing, the objective of the endoscope must be extended close enough to the test point (or subject) to carry out the testing. The position of the hole will determine the viewing Angle, viewing direction, approach route and working length of the endoscope.
4. Distance between the objective lens and the subject. Whether using standard or high intensity light sources, the distance between the objective lens and the subject will directly affect the lighting requirement, and the objective lens needs to use the best viewing Angle to obtain the best image resolution and maximum magnification.
5. The size of the defect. The size of the defects varies widely, ranging from hair-thin cracks to large damage cracks. The size of these defects is an important reference factor in selecting the magnification, Angle of view, focusing power and lens resolution of the endoscope in order to obtain a suitable and clear image of the defects.
6. The outline size of the object under inspection. The outline of the subject includes the size of the whole subject, cracks or cracks, and parts such as deformation, which is one of the most important factors in determining the Angle of view and the brightness of the light source.
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