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Conrad Electronic SI-7004 Operating Instructions Manual page 13

Lcd panel-meter

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Attention!
The maximum voltage of 35 VDC in the circuit must not be
exceeded during DC current measurement. The measuring input
for current/voltage is not fused.
4.3.4 Wirina for a fixed Ranqe/Adiustment/Adaptation
a) Wiring
If the panel meter is used for DC voltage or DC current measure-
ment in power supplies, distribution panels etc. where only one
range is necessary, a simple voltage divider for DC voltage mea-
surement or a simple shunt for DC current measurement is
sufficient.
When the DC voltage range or the DC current range to be mea-
sured is known, the panel meter is wired respectively. Observe
also the following figures and tables.
The series resistors of the ,,simple" voltage divider are as follows:
20 V
200 V
Dividor Resistance
R I
R2
R I
Resistance Value
10 MOhm
1 MOhm
10 MOhm
100 KOhm
10 MOhm
10 KOhm
13

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