INFICON Ecotec E3000 Multigas-Sniffer-Leak Detector - Manual (Page 40)

40
6 Operation
Tr
an
sl
ation
o
f the
o
rig
in
al
operatin
g
in
str
u
ct
io
ns
Ecot
ec E3
000,
k
in
a
22en
1
-r
, 1
407
4 Check whether the gas and the displayed leak rate match the data of the calibrated
leak. If the leak rate does not match, select “Leak rate change” and correct the value.
5 Select “Start”.
6 Hold the sniffer tip into the center of calibrated leak opening and follow the
instructions in the display.
If you have to wait until the air signal has stabilized then this can take up to 30 seconds
with a helium or hydrogen calibration.
7 Confirm the new values with the key on the bottom right.
6.4.3 Gas equivalent to helium and hydrogen, settings for
diluted gas
If you are looking for helium or hydrogen, you can have also have the determined leak rate
for the gas equivalent displayed, e.g. as R134a.
If you have an equivalent set, all displays will show the original gas followed by the
equivalent in brackets. Example: He (R134a)
Proceed as follows to set a gas equivalent:
1 Select helium or hydrogen from the gas library.
2 Select the line “Status” in the window “Settings gas …” and press “Change”.
3 Select “Equivalent name” in the window that opens. The gas library will be displayed
again.
4 Select the equivalent name and confirm with “OK”.
Fig. 26: Example for a measurement view with helium as refrigerant equivalent
You can also take a different pressure and/or different concentration between original gas
and gas equivalent into consideration.
An internal conversion of the measurement result thus allows the Ecotec E3000 to
approximate the result of a leak pre-check close to the result of a main leak examination.
Enter the settings for concentration and pressure in the window “Settings gas … >
Status > Change > Equivalent settings”.