UT3500 series
User Manual
20
Figure 3-4-1 Alligator Clips Are Opened before Engaging
2. As shown in Figure 3-4-2, make the first row of teeth of one of the alligator clips properly
engage with the first row of tooth recesses of the other alligator clip. The state after
proper engagement should be the same as Figure 3-4-3. The two alligator clips must
be on a horizontal line after being engaged.
3. It is necessary to ensure that the metal teeth of the two alligator clips are correctly
engaged before performing the next step of setting zero and calibrating.
Figure 3-4-2 Description of Alligator Clip Teeth Engagement
Figure 3-4-3 Parallel Status after the Red and Black Alligator Clips Are Engaged
Correct Short Circuit Method of the Crown Probe Test Pen
The center probe of the crown probe test pen is the Sense end, and the outer cylindrical
probe is the Source end.
First, place the probes of the crown probe test pen as shown in Figure 3-4-4-a. Make sure
that the surface of the object at the red dot is in contact, that is, the center probe is in
contact with the center probe (Sense and Sense), and the center probe is in contact with
the peripheral probe (Sense and Source).
Make the first row of teeth of one of
the alligator clips properly engage
with the first row of tooth recesses
of the other alligator clip.
