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3-3 DC Current Measurement

1. Select the highest anticipated input (1000A or 100A) by the function switch.

2. Insert the “Output plugs (red and black) “ to the input terminals of a Multimeter.

Set the Multimeter to “DC 200mV or 2V” range.

3. Be sure to zero adjust first. With jaws closed and away from conductor, continue to press DCA AUTO ZERO

Button until instrument reads all zeroes or very close to it.

4. For DC measurement, output is positive in the red plug when the current flows from the lower side to the upper

side of the transducer as shown in Figure 2.

5. Press the trigger to open the transformer jaws and clamp one conductor only, make sure that the jaw is firmly

closed around the conductor, then read the display from the multimeter directly.

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APPA 39T Bedienerhandbuch Seite 11