D12
EX-IR
Gas Transmitter with IR Smart Sensor
Dec 2019 ( 85-0004 Rev A)
10
CO2-H High Range Carbon Dioxide Sensor
This sensor permits selection of a high range CO2 setting to improve the accuracy of readings for high
and low concentrations of carbon dioxide. The tables below list the target gas selections and alarm
settings. For information about how these settings affect gas alarm operation, see Flammable and Toxic
Gas Alarms on page 46.
Table 10 CO2-L Sensor Target Gas Selections
(Parenthesis indicate default value)
CO2 Range
Range
Alarms A/W/C
CO2-50
10-(50) %VOL
Disabled
CO2-100
50-(100) %VOL
Disabled
Table 11 CO2-L Sensor Alarm Settings
Alarm
Name
Setting
Default Value
8
Setting Limits
(All)
Type
Set Level, Reset Level
Set Delay
Reset Delay
Reset (clear method)
None
50 %VOL
0s
0s
Automatic
High, Low, None
-15 to +120 %Range
0-10s
0-7200s (when Reset=Auto)
Automatic or Manual
S
YMBOLS
The symbols below are used on the device and throughout this manual.
8
Settings will not appear until the alarm type is changed to “High” or “Low”
Symbol
Description
Direct current
Alternating current
Protective conductor
terminal
Caution, risk of danger
(consult O&M manual)