▁other ▁sens ors . ▁The ▁company ▁made ▁several ▁major ▁innov ations , ▁some ▁of ▁which ▁would ▁be ▁put ▁to ▁use ▁in ▁the ▁Apol lo ▁man ned ▁space fl ights , ▁and ▁became ▁a ▁world ▁leader ▁in ▁the ▁development ▁of ▁quart z ▁sens ors . ▁K ist ler ▁left ▁the ▁company ▁in ▁ 1 9 7 0 ▁and ▁moved ▁to ▁Seattle , ▁Washington . ▁ ▁Field ▁of ▁activity ▁K ist ler ▁develop s , ▁manufact ures ▁and ▁dist ributes ▁pressure , ▁force , ▁tor que ▁and ▁acceleration ▁sens ors ▁as ▁well ▁as ▁electron ics ▁and ▁software . ▁K ist ler ▁special izes ▁in ▁pie zo elect ric ▁and ▁pie z ores ist ive ▁measurement ▁technology . ▁ ▁Technology ▁ ▁Pie zo elect ric ▁measurement ▁technology ▁ ▁The ▁pie zo elect ric ▁effect , ▁discovered ▁in ▁ 1 8 8 0 ▁by ▁brothers ▁Pierre ▁ ▁and ▁Jacques ▁Cur ie , ▁refers ▁to ▁the ▁property ▁of ▁certain ▁cry st als ▁to ▁generate ▁an ▁electric ▁charge ▁ ▁in ▁response ▁to ▁mechanical ▁stress . ▁The ▁occurrence ▁of ▁the ▁pie zo elect ric ▁charge ▁during ▁mechanical ▁de formation ▁is ▁used ▁by ▁K ist ler ▁force , ▁pressure ▁and ▁acceleration ▁sens ors . ▁ ▁In ▁ 2 0 1 9 , ▁The ▁K ist ler ▁Group ▁launched ▁Ki X act , ▁a ▁technology ▁en abling ▁measurement ▁uncertainty ▁to ▁be ▁reli ably ▁and ▁automatically ▁calculated ▁and ▁interpreted ▁by ▁the ▁user . ▁Ki X act ▁results ▁can ▁be ▁analyz ed ▁using ▁the ▁Ki Studio ▁Lab ▁software ▁provided . ▁External ▁influen cing ▁factors