Hard-shell Security case with foam cutouts for AdvancedSense meter or rugged Android device. Single removable plug and ACC-DSII-PCCHOLD to expose sensors from 1 x DirectSense II probe. Room to store meter, probe, cradle and other accessories. Also holds AS-201/202A airspeed probe and spare smart sensors. Includes combination lock. Front external bracket for particulate meter is optional. May also accommodate certain alternative Android or iOS devices/smartphones.