Chemgard Infrared Gas Monitor
Fig
ure 4-5. Unit Span Calibration
•
Set the unit to the value given
on the "s
ynthetic span" label
shown in FIGURE 4-6.
6. Perform the TAB
LE 4-2 sequence.
a. App
ly zero gas when requested.
•
Allow enough time for a
stable reading.
b. Accept (OK) or adjust ("ADJ") an
d
enter a zero re
ading.
c. App
ly span gas when requested.
•
Allow enough time for a
stab
le reading.
d. Accept (OK) or adjust ("ADJ") an
d
enter the correct span reading.
7. Remove the con
nector assembly and
re-attach the samp
ling line to th
e
monitor i
nlet.
WARNING
If the sampling line is not re-attached, the
monitor cannot sample from the remote
location.
Duri
ng calibration, the alarm relays do not
activate; ensure that a hazardous condition
does not exist when calibrating the
Chemgard system.
To Next Page
Loading...
