AirLink 6940XP Operator’s Manual
Maintenance
•
72
6. Screw the sensor housing cap back onto the sensor housing base, ensuring that the sensor
housing cap is only tightened hand tight.
7. Press
ADD
to initiate the 1-minute startup (3.5 minutes for LEL versions).
8. Allow the installation to warm up for the appropriate amount of time as indicated in the table
below. For units with multiple sensors, the warm up period should be based on the installed
sensor(s) with the longest warm up time.
Detection Gas
Warm Up Time
Ammonia (NH
3
)
12 hours
Arsine (AsH
3
)
2 hours
Carbon Dioxide (CO
2
)
10 minutes
Carbon Monoxide (CO)
2 hours
Chlorine (Cl
2
)
Chlorine Dioxide (ClO
2
)
Combustible Gas
10 minutes
Ethylene Oxide (EtO)
48 hours
Formaldehyde (CH
2
O)
10 minutes
Hydrogen (H
2
)
2 hours
Hydrogen Chloride (HCl)
12 hours
Hydrogen Cyanide (HCn)
Hydrogen Fluoride (HF)
2 hours
Hydrogen Sulfide (H
2
S)
Nitric Oxide (NO)
12 hours
