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  • visual inspection with SNK 60x

Visual Testing

What is visual testing?

Visual testing (VT), also known as “remote visual inspection” (RVI) means the visual inspection of objects, components or parts of components. Visual testing is one of the surface testing methods in non-destructive testing (NDT).

A VT inspection can be carried out after final manufacture, as an inspection during production (e.g. after welding, machining, etc.) or as recurring inspection (e.g. visual inspection of pipelines in power plants). Quality features such as surface condition, cleanliness, dimensional accuracy and other characteristics are tested and also checked for deviations from underlying specifications such as standards.

As a rule, a distinction is made between the general visual inspection (overview inspection) and the special visual inspection. In the overview inspection, the general condition and external cleanliness are checked. The special visual inspection involves more intensive inspections, such as a detailed inspection of a weld seam for irregularities.

SNK in vessel

Tools for Remote Visual Inspection

Additionally, there is a distinction made between direct and indirect visual inspection. The direct visual inspection is performed either with the naked eye or with optical aids such as borescopes and fiberscopes, which transmit the image directly without signal conversion. For indirect visual inspection, aids such as video endoscopes or camera systems are used. Here, the image is digitally converted into a video sequence.

Special requirements for these inspection systems are often determined by regulations or standards. Usually, a VT inspection according to standards is also based on an inspection instruction in which all applicable devices and aids as well as standards and regulations are listed.

Visual Testing with Videoscopes

vizaar videoscopes

Visual Testing with Tank and Pipe Cameras

Tank and pipe cameras visual inspection systems

Visual Testing with Conventional Endoscopes

Overview conventional endoscopes

Visual Testing with UAV Drones

Indoordrones

VT services and solutions by viZaar

Do you need help with your remote visual inspection? Or are you perhaps looking for an inspection system, but don’t know which one is most suitable for your application? Contact us! Together, we will find the right solution or service for you!

Reach out to us via phone: +49 7432 98375-0 , e-mail: info@vizaar.com or by using our contact form.

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viZaar industrial imaging AG
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72461 Albstadt
Tel.: +49 7432 983750

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