The Dillon Powder Check System is a valuable saftey system that checks the powder charge in each and every cartridge case during the loading process. The system detects and warns via audible beep when the charge is too high or too low.
This is a safety sensor, not an accuracy check! A powder die is included to fit the Powder Check sensor onto the tool head. The system is compatible with the XL 650 and the Super 1050 machines. Dillon's safety sensors are for when something goes wrong and you're distracted, or not concentrating.