HT HT9020, User Manual

Page: 22 / 52

HT9020
EN - 20
5. Connect the cable to the middle of the clamp jaws, in order to get accurate
measurements (see Fig. 9). Use the marks as a reference (see Fig. 2)
6. The screen shows an example of DC current measurement.
Mod Fnc Zro
D C
1 0 0 . 0
A
7. Press
F3
(
Fnc
) to open the drop-down menu shown on the
screen aside. At each subsequent pressure of key
F3
, the
cursor will scroll through the available items, as follows:

Max
: it constantly displays the maximum value of DC
current

Min
: it constantly displays the minimum selected value of
DC current

Cr+
: it constantly displays the maximum positive crest
value

Cr-
: it constantly displays the minimum negative crest
value

RST
: (RESET) it deletes all stored Max, Min, Cr+ and Cr-
values and re-start with a new measure

Esc
: it goes back to a normal measuring mode
Mod Fnc OK
D C
1 0 0 . 0
A
CAUTION

Always carry out current zeroing before clamping the cable

The measurement of the 4 Max, Min, Cr+ and Cr- values is
simultaneous, regardless of the one displayed.
8. Pressing
F4
(
OK
), the selected item is confirmed. Nearby, an
example of measurement with active Max function. The
display shows the active function.
Mod Fnc Zro
M a x D C
1 2 0 . 0
A
9. For the use of HOLD and backlight features see § 5.1
Max
Min
Cr+
Cr-
RST
Esc