Edwards ELD500 Series, Инструкция по эксплуатации

Страница: 47 / 121

D13510840D - SL Extender interface
Page 37
2. Air helium concentration < 5 x 10
-9
mbar ls
-1
Possible causes:

Incorrect calibration.

Separator clogged.
Clearing the fault:

Recalibrate using a calibrated leak.

Check display with a calibrated leak, if no reaction exchange separator according to
Exchanging the separator .
3. Air helium concentration > 10
-4
mbar ls
-1
Possible causes:

Incorrect calibration.

Separator faulty or inserted with a leak.
Clearing the fault:

Recalibrate using a calibrated leak.

Exchange separator according to Exchanging the separator .
4. Reaction to a calibrated leak is much too strong or much too weak.
Possible cause:

Incorrect calibration.
Clearing the fault:

Recalibrate; if unsuccessful check calibrated leak, also check causes 2 and 3.
5. No reaction to a calibrated leak.
Possible causes:

Separator clogged.

Filter tip clogged.

Sample line clogged.
Clearing the fault:

Check cause 2.

Exchange filter according to Exchanging the dust filter in the probe tip .

Blow out sample line.