MI 2087 Instaltest 61557
Measurement instructions
18
•
Use the
↑↑↑↑
and
↓↓↓↓
keys, to set required High Limit Value. Individual strike will
increase/decrease the value for one step, while continuous pressure will
increase/decrease it continuously. If test results are not to be compared with
High Limit Value at all, then press the
CLR
key,
no
will be displayed instead of
set value.
Step 3
•
Set
Low Limit Breakdown Varistor Voltage
. Later will test results be
compared with the set limit value and, if lower, they will be equipped with
“!”
mark.
How to set the Low Limit Value?
•
Press the
SELECT
key after setting the High Limit Value, to enter “Low Limit
Value adjustment mode”, the following menu will be displayed:
Fig. 10.
Low limit value adjustment menu and the table of available limit values
•
Use the
↑↑↑↑
and
↓↓↓↓
keys, to set required Low Limit Value. Individual strike will
increase/decrease the value for one step, while continuous pressure will
increase/decrease it continuously. If test results are not to be compared with
Low Limit Value at all, then press the
CLR
key,
no
will be displayed instead of
set value.
•
Press the
SELECT
key again after setting the limit values, to return to “Varistor
Test initial menu”.
Step 4
•
Connect Universal test cable
to tested Varistor Over-voltage Protection
Device, according to the figure below.
Fig. 11.
Connection of Universal Test Cable
Last set Low limit value is blinking.
Available
values (V)
Step
(V)
0
÷
1000
10
