104
EuroFID · Operating Instructions · 8011094 V2.3 · © SICK AG
“Maintenance” Sub-menu Functions
11.3
Conversion factors
11.3.1
Setting the conversion factor
Function
The conversion factor “ppm – mgC” determines the physical conversion of “ppm” to “mgC/
m
3
”. This factor must be set correctly if the physical unit “mgC” is selected for the
measurement display (for setting refer to
If the EuroFID is used as a gas detector, the conversion factor is relevant for safety. The
correct value depends on the LEL value of the gas mixture, the sample gas temperature
(influences the LEL value) and the response factor of the EuroFID.The correct conversion
factor must be individually determined for each application. This is normally performed by
the skilled person who is responsible for plant safety. The specified conversion factor
should be documented.
Procedure
Open the menu: Main menu
Maintenance
Conversion factors
Menu in software mode “Emission”:
Menu in software mode “Process” and “LEL”:
For setting:
1
Press
or
until the respective conversion factor is highlighted.
2
Enter the required conversion factor.
To finish:
1
Press
or
until
E n d
is highlighted.
2
Press .
●
Standard setting of the conversion factor for “Process” and “LEL” mode:
8000 ppm = 47 % LEL (valid for an explosive atmosphere formed with
propane at 20 °C).
●
1 ppm propane (C
3
H
8
) corresponds to 1.608 mgC/m
3
●
Calculation of conversion factors
M a i n t e n a n c e
C o n v e r s i o n f a c t o r s
C a l . G a s S a m p G a s
p p m p p m
1 1 . 0 0 0
p p m m g C
1 1 . 6 0 8
C h a n g e o r
6 1 . 6 m g C
R a n g e . . . 1 0 0
Menu title
(no function)
Calculation factor ppm/mgC
Current measured value
Current measuring range (measuring range end value)
M a i n t e n a n c e
C o n v e r s i o n f a c t o r s
R e f c a l i b . g a s v a l u e
p p m % L E L
8 0 0 0 4 7 . 0 0
p p m m g C
1 1 . 6 0 8
C h a n g e o r
6 1 . 6 m g C
R a n g e . . . 1 0 0
Menu title
Entry field
Calculation factor ppm/mgC
Current measured value
Current measuring range (measuring range end value)
E n d
E n d
Summary of Contents for EuroFID
Page 10: ...Contents 10 EuroFID Operating Instructions 8011094 V2 3 SICK AG ...
Page 18: ...18 EuroFID Operating Instructions 8011094 V2 3 SICK AG Important Information ...
Page 80: ...80 EuroFID Operating Instructions 8011094 V2 3 SICK AG Start up ...
Page 88: ...88 EuroFID Operating Instructions 8011094 V2 3 SICK AG Operation General ...
Page 100: ...100 EuroFID Operating Instructions 8011094 V2 3 SICK AG Main Menu Functions ...
Page 144: ...144 EuroFID Operating Instructions 8011094 V2 3 SICK AG Maintenance Sub menu Functions ...
Page 154: ...154 EuroFID Operating Instructions 8011094 V2 3 SICK AG Calibration ...
Page 158: ...158 EuroFID Operating Instructions 8011094 V2 3 SICK AG Shutdown ...
Page 182: ...182 EuroFID Operating Instructions 8011094 V2 3 SICK AG Clearing Malfunctions ...
