UNI-T UT58D Spécifications télécharger pdf (Page 17)

Model UT58D: OPERATING MANUAL

Measurement Operation(4)

( figure 5)

Black Red

C. Measuring Resistance (see figure 5)

Warning

To avoid damages to the Meter or to the devices under

test, disconnect circuit power and discharge all the

high-voltage capacitors before measuring resistance.

Note

l If the value of current to be measured is unknown,

use the maximum measurement position, and reduce

the range step by step until a satisfactory reading is

obtained.

l For safety sake, the measuring time for high current

should be less than 10 seconds and the interval time

between 2 measurements should be greater than 15

minutes

l When current measurement has been completed,

disconnect the connection between the testing leads

and the circuit under test, and remove the testing leads

away from the input terminal of the Meter

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UNI-T UT58D Spécifications Page 17