The MC-3 Elite is InstroTek’s newest and most advanced nuclear density gauge. We’ve listened to feedback from our customers and made upgrades in all the right areas. MC-3 Elite features a simple operator interface, NEW large backlit LCD display, illuminated keypad, precision machined base and surface mount electronic technology. The gauge is built to withstand the toughest construction and testing environments and is derived from over 40 years of field experience.