UNI-T UT90B Spezifikationen PDF herunterladen (Seite 17)

Measurement Operation(4)

Warning

To avoid possible damage to the Meter and to the

device under test, disconnect circuit power and

discharge all high-voltage capacitors before testing

diodes and continuity.

To avoid harms to you, never attempt to measure

voltages higher than 60V DC/30V AC.

( figure 5)

Note

l For safety sake, the measuring time for high current

should be less than 10 seconds for each measurement

and the interval time between 2 measurements should

be greater than 15 minutes.

l When AC/DC current measurement has been

completed, disconnect the connection between the

testing leads and the circuit under test.

C.Test for Diodes & Continuity

Testing Diodes (see figure 5)

red black

Model UT90B: OPERATING MANUAL

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UNI-T UT90B Spezifikationen Seite 17