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d) Direct current measurement

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In no event exceed the max. permitted input values in the respective measuring ran-

ges. Current measuring operations are only admissible in circuits up to 500 V. Always

disconnect the power from the measuring circuit before you connect the measuring

device, change the measuring range or terminate the measuring operation.

Proceed as follows to measure DC voltages up to 5A (DC):

- Select the measuring range 5A on the rotary switch.

- Connect the black measuring line with the COM socket (8) and the red

measuring line with the 5A socket (7).

- Now perform null balancing.

- Observe the correct polarity (red = + / black = -) and connect the two

measuring tips in series with the measuring object (battery, circuit,

etc.).

- In case of wrong polarity, the pointer deflects to the left. Interrupt mea-

suring immediately and reverse the polarity of the measuring tips.

- Read off the measuring value on the scale “DAC”.

Proceed as follows to measure DC voltages up to <250 mA (DC):

- For measuring in the mA/µA range, select the corresponding

measuring range (not 5A).