【Extech】41233K-S,校验设备 CALIBRATOR TYPE K
4123-440-AL,ROUND MALE-FEMALE STANDOFFPLAIN
4123-440-B,ROUND MALE-FEMALE STANDOFFPLAIN
4123-440-N,ROUND MALE-FEMALE STANDOFFNO FIN
4123-440-S,ROUND MALE-FEMALE STANDOFFPLAIN
4123-440-SS,ROUND MALE-FEMALE STANDOFFPLAIN
【Extech】412355,数字万用表 CALIBRATOR CURREN
【Extech】412355A,数字万用表 CURRENT AND VOLTAGE CALIBRATOR
