Automatic switching circuit of Multimeter AC to DC

Published:2011/7/17 23:12:00 Author:Sophia | Keyword: Automatic switching, Multimeter AC to DC | From:SeekIC

The AC and DC measurement conversion of ordinary digital multimeter is completed by manual operation. New digital multimeter DT860D adopts Automatic range switching chip NJU9207F, and is equiped with external auxiliary circuit to achieve AC - DC (AC / DC) automatic conversion measurements. AC / DC automatic conversion circuit is shown below.



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