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マルチメーター Amprobe AM-420のPDF ユーザーマニュアルをオンラインで閲覧またはダウンロードできます。Amprobe AM-420 16 ページ。 Digital multimeter

Measuring DC Current

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To avoid personal injury or

damage to the Meter:

1. Do not attempt to make an

in-circuit current measurement

when the open-circuit

potential to earth ground

exceeding 250V.

2. Switch to proper function and

range for your measurement.

3. Do not place the test probe in

parallel with a circuit when the

test leads are connected to the

current terminals.

4. Connect the test leads to the

circuit before powering the

circuit under test.

5. After measurement, switching

OFF the circuit's power before

removing test leads from the

circuit.

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Disconnect circuit power and

discharge all high-voltage

capacitors before testing

resistance.