UNI-T UT56 Manual de usuario descargar pdf (Pagina 11)

C-3 Measuring DC Current

1. Connect the black test lead to COM jack .

When measuring below 200mA, connect the

red test lead to mA jack. When measuring

20A or below, connect the red test lead to

20A jack.

2. Set the rotary switch to A

3. Connect the test leads in series with the object

to be measured, the LCD display the measuring

value and polarity of red test lead.

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“ ” .

Caution

C-4 Measuring AC Current

1. Connect the black test lead to COM jack.

When measuring below 200mA, connect the

red test lead to “mA” jack. When measuring

20A or below, connect the red test lead to

20A jack.

2. Set the rotary switch to A~ .

3. Connect the test leads in series with the object

to be measured.

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1) Please refer to DC Current Caution 1, 2, 3.

Caution

1) If magnitude of the current is unknown, always

start with the highest range and reduce until

satisfactory reading is obtained.

2) If 1 is shown on the LCD, which means the

Meter is overloaded, then set the measuring

range to higher.

means the maximum input current is 200

mA, overload will cause the burn of fuse. 20A

range does not have fuse protection

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Model UT56: OPERATING MANUAL

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UNI-T UT56 Manual de usuario Pagina 11