直流微欧姆计校准用.
19m欧、精度0.01%
190m欧、精度0.01%
1900m欧、精度0.01%
19欧、精度0.01%
190欧、精度0.01%
19000欧、精度0.01%
19k欧、精度0.01%
190k欧、精度0.01%
1900k欧、精度0.01
19M欧、精度0.01%
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