UNI-T UT70B万用表原理图: https://m.eeworld.com.cn/bbs/forum.php?mod=attachment&aid=NDc3NTI0fGI2OTc4ZjhjMGY2YmNiNGIzYmY1ZTAwMjIyZWYzZDc5fDE3MzE2MjE3MTk%3D&request=yes&_f=.pdf
使用说明书:https://m.eeworld.com.cn/bbs/forum.php?mod=attachment&aid=NDc3NTI1fGNkMzIwODQ3NTk2ZjdiMGEzNjAyZGFlNjI5YjQxNDIxfDE3MzE2MjE3MTk%3D&request=yes&_f=.pdf https://m.eeworld.com.cn/bbs/forum.php?mod=attachment&aid=NDc3NTI2fGM3YjdiMjk3NWEwMjU0Zjc4MzRiN2RmNTllZGMxZTk0fDE3MzE2MjE3MTk%3D&request=yes&_f=.pdf