Home / Beta Industries - The Quality Control Company Beta Industries - The Quality Control Company Best Price Promise! We will meet or beat any densitometer price and include our well known Betamag 12x Wide Field Magnifier with LED illuminator. A $109.00 value, included at No Charge. The Beta Guarantee – Knowledgeable technical support, at no charge, on all products for the life of the product. . Ask us about our 10 Day Trial.