Rigol DM3068 Guide de l'utilisateur télécharger pdf (Page 89)

Chapter 2 Front Panel Operations RIGOL

User’s Guide for DM3068

2-47

Current Source

Current source applies to the diode measurement function. The current selected is

applied to the diode under test and the multimeter measures the voltage drop

between the two ends of the diode to determine the polarity of the diode.

Note: when measuring diode with relatively larger drain current, do not use the

small current source (as the forward voltage drop measured might be too low to

determine the polarity of the diode).

In DIODE measurement, press

to enter the following interface. The current

sources available are 1 mA, 100 μA, 10 μA, 2 μA and 200 nA and the corresponding

voltage ranges are -0.2 V ~2.2 V, -0.2 V ~4.2 V, -0.2 V ~4.8 V, -0.2 V ~5.2 V and

-0.2 V ~5.5 V. You can also press

to select the desired current source.

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Rigol DM3068 Guide de l'utilisateur Page 89