Testing Diode; Connections; Current Range - Aktakom ABM-4082 User Manual

5 1/2 digit multimeter

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3.7

Testing Diode

Model DMM can also be used to measure the forward voltage drop of general-purpose diodes and the

zener voltage of zener diodes. A current range (10mA, 100μA or 10μA) can be selected for diode

measurement.

Note:

Diode test has a non-selectable reading rate of Medium (1 PLC)

3.7.1

Assuming Model DMM is under factory default conditions, the basic procedure is as follows:

1. Connect test leads to INPUT HI and LO terminals.

2. Press Shift → Cont for diode measurement function.

3. Connect test leads to the diode under test as shown in Figure 3-6.

4. Take a reading from the display.

Note:

Source current flows from the INPUT HI to INPUT LO terminals

3.7.2

You can set the test current range from the front panel. The choices are 1mA, 100μA, and 10μA. The

factory default current range is 1mA. To set the test current as follows:

1. Press Shift → Cont for diode measurement function

2. Using

and

The diode test function measures voltage on the 3V range for the 1mA test current and the 10V range for

the 100μA and 10μA ranges. If a reading is more than 10V, Model DMM displays the "OVR.FLW" message.

Figure 3-6

Diode Measurement

keys to scroll through the three test current selections.

ABM-4082

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