AirLink 9850 Gas Monitor Operator’s Manual
Chapter 5: Setup Mode • 29
9. Output: Press
ADD
or
SUB
to toggle between “1:1” and “Scaled”. If “1:1” is selected, the value
received by the AirLink 9850 is the value output (if “4” is received, then “4 mA” is output). If
“Scaled” is selected, the “Min” and “Max” values selected in the next screens determine the port’s
output (if the “Min” is 0 and the “Max” is 100, a 0 reading outputs 4 mA and a 100 reading outputs
20 mA).
10. Press
MENU
.
11. Min Scale: Press
ADD
or
SUB
to manipulate the minimum scale setting. This is the value that
4 mA out from the 4-20 mA port will represent.
NOTE:
This item only appears if “Scaled” was selected in the Output screen.
12. Press
MENU
.
13. Max Scale: Press
ADD
or
SUB
to manipulate the maximum scale setting. This is the value that
20 mA out from the 4-20 mA port will represent.
NOTE:
This item only appears if “Scaled” was selected in the Output screen.
14. Press
MENU
.
15. 4 mA Offset: Press
ADD
or
SUB
until the device that is monitoring the 4-20 mA output reads 4
mA.
NOTE:
For a proper calibration, the 4-20 mA output must be connected to the device that is
monitoring the selected port’s 4-20 mA output.
