The AS ONE Waterproof Industrial Endoscope Main Unit, denoted by model number 3-9973-01, represents a specialized and advanced instrument within the domain of industrial inspection and non-destructive testing (NDT). This meticulously engineered main unit, measuring 90×131×205 mm in dimensions, embodies precision, versatility, and robustness, catering to professionals and industries where remote visual inspection in challenging environments is essential. The primary and defining feature of this industrial endoscope main unit is its ability to facilitate remote visual inspection of inaccessible or hazardous areas. Equipped with advanced imaging and illumination technology, it offers exceptional clarity and illumination in real-time, enabling users to capture high-quality images and videos of internal structures, components, or pipelines. This capability is invaluable in industries such as manufacturing, automotive, aerospace, and energy, where thorough inspection is crucial to ensure safety, quality, and compliance. The 3-9973-01 Main Unit is designed for durability and adaptability, featuring a waterproof and rugged construction. Its resistance to water and dust ingress makes it suitable for use in harsh and challenging environments, including submerged inspections in aquatic settings. Additionally, its ergonomic design ensures ease of handling and maneuverability, allowing inspectors to access and visualize areas that may be difficult to reach with conventional methods. This industrial endoscope main unit is equipped with a range of accessories and attachments, such as flexible probes and camera heads, that enable customized inspections tailored to specific applications. Its compact form factor and portable design ensure convenience and accessibility during on-site inspections. The AS ONE Waterproof Industrial Endoscope Main Unit, model 3-9973-01, serves as an essential tool for professionals and industries engaged in critical inspections, maintenance, and quality control. Its advanced imaging capabilities, waterproof design, and adaptability empower users to conduct thorough and reliable inspections in a diverse range of industrial settings, ultimately contributing to safety, efficiency, and compliance with stringent quality standards. The AS ONE Waterproof Industrial Endoscope Main Unit exemplifies excellence in remote visual inspection and NDT equipment. Its rugged construction, advanced imaging technology, and adaptability make it an indispensable asset for professionals and industries seeking to enhance the accuracy and efficiency of inspections in challenging and inaccessible environments.