WDM 2 – WAD Detection Machine employs Laser Technique to detect the presence / absence of wad inside the cap taking into account the following critical Parameters of the WAD to accept / reject the cap besides logging the data on real time basis. These parameters are vital in the pharmaceutical/ Food industry for in-process analysis.All the food and pharma products are meant for safe consumption of the consumer and the manufacturers desire that product remains usable till its expiration period. A Wad is a flexible pad inserted in the plastic or glass bottle cap. The wad serves the main purpose of complete and tight sealing of the cap onto its container thus preventing any spillages and long shelf-life of the product.