用这种电路替代原721型分光光度计中的光强调节电位器即可实现自动调节光强。

While substituting the regulation-resistor for light intensity adjustment on the spectrophotometer with this device, automatic adjustment of light intensity is realized.

youdao

用这种电路替代原721型分光光度计中的光强调节电位器即可实现自动调节光强。

While substituting the regulation-resistor for light intensity adjustment on the spectrophotometer with this device, automatic adjustment of light intensity is realized.

youdao