Visual Testing Visual testing is the most basic and common inspection method involves in using of human eyes to look for defects. But now it is done by the use special tools such as video scopes, magnifying glasses, mirrors, or borescopes to gain access and more closely inspect the subject area. 1 Remote Visual Inspection (RVI): When human eye is impossible to reach the targeted objet then some special tools are used and it is called the Remote Visual Inspection (RVI), which also known as Borescopic Inspection Industrial Endoscopy Video-Borescopic Inspection etc.

What we look in Medical Endoscopy Test

What is the Difference in Medical Endoscopy and Industrial Endoscopy? Nothing Special, Both are Remote Visual Test. Medical EndoscopyIndustrial Endoscopy

Visual Testing Equipments 4 Fig: Advanced Videoscope Fig: Videoscope Fig: Magnifying glass Fig: Borescopes Fig. Microscope

Applications It can be applied to a number of areas including: – Aerospace – Power generation – Oil and Gas – Chemicals – Automotive – Construction – Security – Manufacturing – Pharmaceutical etc. – Research and education It is also used for: Gas turbine blades Blade cooling holes Boiler tubes Turbine rotor bores Steam pipework Boiler headers Valves Steam chests

Boiler Case Study This is an Oil Tanker Auxiliary Boiler. The boiler cant be ran due to its leaky tube. There were 400 tubes. Two defective tubes found by Endoscopy Inspection. And then it is sealed from both side.

Turbine Case Study#1 Severe Crack found Turbine Nozzle of Alstom 34.5MW Turbine after the Endoscopy Inspection.

Turbine Case Study#2 GE 9E Gas Turbine is not running due to lack of sufficient fuel pressure. After a details endoscopy inspection a plastic cap was found.