Copper Crusher Gauge Crusher Mills Cone
The US military uses the copper crusher gauge for NATO standards which is 50 000 PSI CUP They don t follow the convention because they don t care CUP vs PSI Page 2 Shooters Forum The strain gauge is indirectly measuring pressure by measuring the deforming of the cartridge case The copper crusher is non linear rI rI IMPROVED M 1i COPPER CRUSHER GAGE JAMES M