Temperaturemeasurement (Testo 556 Only); Leakage Test (Testo 556 Only) - testo 555 Bedienungsanleitung

T T e e m m p p e e r r a a t t u u r r e e - -
m m e e a a s s u u r r e e m m e e n n t t
u u p p
° ° C C - - 4 4 8 8 . . 5 5
D D i i f f f f e e r r . .
K K
L L e e a a k k a a g g e e t t e e s s t t
C C o o n n n n e e c c t t i i o o n n R R E E D D
I I n n t t e e r r v v a a l l i i n n
m m i i n n u u t t e e s s : :
T T e e s s t t
p p r r o o b b
P P r r e e s s s s u u r r e e c c o o n n s s t t a a n n t t
w w i i t t h h i i n n
E E n n d d l l e e a a k k a a g g e e
t t e e s s t t
5.3.2 Temperaturemeasurement (
The connected sensors are detected automatically.
The values of the upper sensor connection are displayed on the
left and the lower sensor connection on the right.
1 Select
- The temperatures are displayed (left value = T1; right value =
d d o o w w n n
T2).
1 1 3 3 2 2 . . 4 4
2 Confirm selection with
- The temperature difference is displayed.
1 1 8 8 0 0 . . 9 9
5.3.3 Leakage test (
If two sensors are connected, the temperature of the red
connection is employed for the leakage test.
1 Select
or
-
The
2 Press
3 Select the desired time interval with
selection with
1 1 0 0
4 Start leakage test with
- The pressure and the temperature at the sensor are displayed
1 1 5 5 . . 8 8
during the test.
2 2 3 3 . . 6 6
5 Display the duration for which the pressure was constant,
falling or rising with
- The time is displayed for approx. 2s.
0 0 2 2 h h 3 3 4 4 m m
6 Terminate the leakage test with
7 Terminate the leakage test with
( ( E E n n t t e e r r ) )
The higher the system pressure, the greater the influence of the
temperature. It is therefore unsuitable to test leakage under a
vacuum using this menu item. Fluctuations of the vacuum due
to changes in the temperature are then so small that they
cannot be calculated by the
T T e e m m p p e e r r a a t t u u r r e e m m e e a a s s u u r r e e m m e e n n t t
.
testo 556
T T i i g g h h t t n n e e s s s s c c h h e e c c k k C C o o n n n n e e c c t t i i o o n n R R E E D D
and press twice
R R E E C C O O R R D D
menu opens.
.
twice
.
T T e e s s t t
and
.
testo 556
with
only)
.
or and confirm the
.
R R E E C C O O
light alternately on the display.
.
or continue with
testo 556
.
only)
or .
with
.
37