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- Update:
- 2012-11-26
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- bjxsdz
Description: Use SN8P1702A low-cost universal digital meter on the lower
Icon is a circuit input voltage DC200mV, full-scale reading of 2000 characters digital voltage meter circuit. Resolution to 100uV/word. This argument often used three and a half number of the header match, (but there is no negative voltage signal measurement function). Thus, it can easily without a negative signal input the number of occasions replace the original header.
The benefits are here to replace a set of control functions on the lower limit, while the ordinary three half-meter can only measure the number of display and control can not be set.
Schematic connection with the application and instructions:
Figure A: 200mA DC measurement and control signals. If the AC signal, you need to have AC-DC conversion.
Figure B: 200mV dc measurement and control signals. If the AC signal, you need to have AC-DC converter
Figure C: measurement and control of DC 4 ~ 20mA signal. This signal can be remote, such as pressure s
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