4-20milliamp output fromPeakSimple
October 2013
Select a peak
which youwant
for the 4-20 out-
put. In this case,
it’s amethane
peak.
Create the reten-
tionwindowwith
the peak number
420. The 420
peak number is
a special num-
ber which trig-
gers the 4-20
output. Other
peak numbers
will not do this.
Then calibrate
the peak at two
levels.
Enter the num-
ber 400 in the
Level 1 “injected” and the area of the
methane peak youwant 4ma to cor-
relate to. In this case, the area of the
methane peak is 11 area counts for
ambientmethanewhich is about
2ppm.
