Total Inspection (100% Inspection) refers to the process of inspecting all products individually, sorting out defective products, and only passing non-defective products.

Total Inspection is Required..

• When inspecting expensive products.
• When inspecting critical defects.
• When the defect rate is high and screening is needed.
• When it is more economical than sampling inspection.

Total Inspection is Favorable…

• When even one mixture of defective product can cause a fatal flaw.
• When inspecting the characteristic that determines the main quality of high-value products.
• When inspecting the product with unreliable quality due to its unstable manufacturing process
• When inspecting low-quality products that most of the lots are rejected even with the Sampling Inspection.
• When it is easy and inexpensive to identify defective products.
• When inspecting small lot sized products.