The Mark 7 Digital PowderCheck Sensor can automatically stop the machine if a grossly incorrect powder level is detected inside the case. If this happens, you will see a notification on the computer tablet to check the case powder level. A must-have for people who want full confidence that every round produced has powder. Gen 2 Digital PowderCheck Sensor comes complete with probes for:Small pistolSmall rifleLarge pistolLarge rifleHow it works: The user attaches the probe that corresponds to the case type and size to the sensor rod. Then, adjust the sensing probe assembly to the correct height for the desired powder load by moving the sensor die up or down and secure the die. When the press is operating, the probe is automatically inserted into the charged case. This moves the sensor bar into its measuring position. If the sensor's infrared laser beam is able to pass through either the sensor bar's "over charge"or "under charge" window, then the notification is triggered. Sensitivity...