HT 400 Series, Руководство пользователя

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400 Series
EN - 19
10. By using the AUTO mode,
once test is completed, in
case the average value
between R+ and R- is lower
than the set limit, the
instrument gives a double
acoustic signal which signals
the positive result of the test
and displays a screen similar
to the one reported here to
the side
L O W

0 . 2 5

R + R -
0 . 2 6

0 . 2 4

2 1 2 m A 2 1 3 m A
Average value between R+
and R-
Values of the test currents for
R+ and R-
Values of R+ and R-,
respectively
AUTO 4.00

0.21

Func Lim CAL
11. By using the R+ or R- mode,
once test is completed, in
case the detected value is
lower than the set limit, the
instrument gives a double
acoustic signal which signals
the positive result of the test
and displays a screen similar
to the one reported here to
the side
L O W

0 . 2 5

2 1 2 m A 1 s
Value of resistance R+ (or R-)
Values of test current and test
time
R+ 4.00

1s 0.21

Func Lim Temp CAL
12.
The results displayed can be saved by pressing the
SAVE
key twice or
the
SAVE
key and, subsequently, the
ENTER
key (§ 8.1)
6.2.1. CAL mode
Fig. 7: Calibration of single cables and remote probe
1.
Use the arrow keys

,

to select the virtual Func key and set the CAL test
mode by means of the arrow keys  ,  .
It is not necessary to confirm the selection with ENTER
.
2. Short the leads of the measurement cables as in Fig. 7 making sure that the
conductive parts of alligator clips are well in contact.
3.
Press the
GO/STOP
key on the instrument or the
START
key on remote
probe. The instrument starts the calibration procedure of the cables
immediately followed by the verification of the compensated value.
CAUTION
If message “
Measuring…
” appears on the display, the instrument is
performing measurement. If message “
Waiting verify
” appears on the
display, the instrument is verifying the calibrated value. During this whole
stage, do not unshort the test leads of the instrument.