▁by ▁the ▁Commission ▁Intern ationale ▁P erman ente ▁pour ▁l ' E pre uve ▁des ▁Ar mes ▁à ▁Fe u ▁Port atives ▁( C . I . P .) ▁for ▁proof ▁testing ▁fire ar ms ▁am mun ition . ▁These ▁sens ors ▁require ▁dr illing ▁of ▁the ▁cart ridge ▁case ▁before ▁firing ▁the ▁proof ing ▁cart ridge ▁in ▁a ▁spe cially ▁made ▁test ▁bar rel . <0x09> ▁ ▁For ▁NAT O ▁EP V AT ▁testing ▁of ▁military ▁fire ar ms ▁am mun ition ▁NAT O ▁design ▁EP V AT ▁test ▁bar rel s ▁with ▁K ist ler ▁ 6 2 1 5 ▁and ▁H PI ▁GP 6 ▁trans du cers ▁can ▁be ▁used . ▁For ▁testing ▁shot shell ▁am mun ition ▁K ist ler ▁produces ▁one ▁type ▁of ▁pie zo elect ric ▁sensor ▁( called ▁" t ang ential ▁sensor ") ' ▁ ▁Div isions ▁and ▁business ▁fields ▁ ▁The ▁business ▁activities ▁of ▁the ▁K ist ler ▁Group ▁have ▁been ▁divided ▁into ▁three ▁global ▁divisions ▁since ▁ 2 0 1 3 . ▁The ▁re organ ization ▁followed ▁the ▁strateg ic ▁decision ▁to ▁develop ▁the ▁company ▁from ▁a ▁component ▁supp lier ▁to ▁a ▁solution ▁provider . ▁To ▁accomplish ▁this , ▁an ▁organization ▁that ▁could ▁meet ▁the ▁needs ▁of ▁the ▁individual ▁mark ets ▁in ▁a ▁target ed ▁manner ▁was ▁necessary . ▁Each ▁of ▁the ▁three ▁divisions ▁compr ises ▁specific ▁business ▁units ▁( Str ateg ic ▁Business ▁Field s ). ▁These ▁focus ▁on ▁different ▁mark ets ▁with ▁industry - ▁and ▁application - specific ▁measurement ▁technology ▁solutions