... ,H)Model (RC,SC,KCA,KCB,NC,KX,EX,JX,TX)Technical IndicatorCompensation lead can be classified as ,SC,KC,KX ... ,EX,JX,TX and NC according to products types.a) The first letter ... as KC-G-VV2 X 1.5GB/T 4989-94.compensation type compensation lead of heat-resisting used precision class is indicated ...