PureAire Monitoring Systems, Inc.
12
2.6 AirCheck
Ex
Methyl iodide Default Factory Settings
The Air Check
Ex
Methyl iodide Monitor is shipped with factory defaults for the alarm relay settings. The
following are the factory defaults:
NOTE
:
The built in relay settings may be changed by the user in the field. Refer to Section 4.5
** NOTE:
The LED indicators on the front panel are connected directly to the alarm relays.
Menu Function
Factory Default
Menu Defined
Alarm Thresholds
Alarm 1 = 1.0ppm
Alarm 2 = 5.0ppm
At what level do you want to alarm?
Set Alarm Threshold
Polarity
Alarm 1 = Normal
Alarm 2 = Normal
Do you want to alarm at a level
higher, (normal) or lower, (inverted)
than the alarm threshold?
Alarm Delay
Alarm = 5 seconds
How long do you want to wait until
the alarms activate?
Zero Suppression
0.5ppm
At what level do you want to see the
initial gas concentration reading?
Set Alarm Hysterisis
Alarm 1 = 0.0 ppm
Alarm 2 = 0.0 ppm
For use when using the monitor for
control. It is recommended to set both
alarm hysterisis at 0.0%
Relay Latching
Alarm 1 = Non-latching
Alarm 2 = Non-latching
Do you want the alarm to
automatically reset? (non-latching) or
do you want to manually reset the
alarm? (latching)
Format Relay - LED
State **
Alarm 1 = Normal
Alarm 2 = Normal
Fault = Normal
Do you want the relays to energize,
(normal) or de-energize, (fail safe)
when the alarm activates?
