找厂家补寄一个吧,网上未见有电子,型号比较老了,sartorius官网也无。这个型号是最接近的
http://www.sartorius-mechatronics.com/WW/en/Weighing-in-education/Analytical-Balances-ED-/ED124S-Analytical-balance/jssjq6p4iqz/a7pet8rqa68/au8slbri1w2/article.htm?view=dl
2.http://www.ysunsz.net/jishu/1440.html