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PV-ISOTEST
EN - 15
6.1.3. Carrying out continuity measurements in Timer (TMR) mode
1. Position the cursor onto
RPE
by using the arrow keys
(
,
) and confirm with
ENTER
. The display shows the
following screen.
2. Use the arrow keys (
,
) to select the Timer mode. The
symbol “TMR” is shown on the display.
RPE
15/10 – 18:04
R
- - -
I t e s t
- - -
m A
T
- - -
s
TMR 2.00
12s - - -
MODE
Lim. Time
>
<
3. Use the arrow keys
or
and select the position “
Lim.
”.
The display shows the screen to the side.
4. Use the arrow keys (
,
) to set the limit reference
threshold for continuity measurement, which can be
selected in a range between
0.01
9.99
in steps of
0.01
(please remember that guidelines does not
establish a limit value or resistance and typical values are
approx. 1
or 2
).
RPE
15/10 – 6:04 PM
R
- - -
I t e s t
- - -
m A
T
- - -
s
TMR 2.00
12s - - -
MODE
Lim.
Time
>
<
5. Use the arrow keys
or
and select the position
“
Time
”. The display shows the screen to the side.
6. Use the arrow keys (
,
) to set the
duration of
continuity measurement (Timer)
, which can be selected
in a range between
3s
99s in steps of 3s
.
RPE
15/10 – 18:04
R
- - -
I t e s t
- - -
m A
T
- - -
s
TMR 2.00
12s - - -
MODE Lim.
Time
>
<
7. Carry out the initial calibration of the measuring cables (see § 6.1.1).
8. Connect the instrument to the PV module/string being tested and to the main earth
node of the system as shown in Fig. 5.
CAUTION
Upon pressing the
GO/STOP
key, different error messages can be displayed
by the instrument (see § 6.1.4) and, therefore, the test cannot be started.
Check and eliminate, if possible, the problem causing the error message
before going on with the test.