D12
EX-IR
Gas Transmitter with IR Smart Sensor
Dec 2019 ( 85-0004 Rev A)
6
Table 3 HC Sensor Target Gas Selections
(Parenthesis indicate default value)
Designed for monitoring combustible levels below the LEL (Lower Explosive Limit). Ac/-2%LEL
Gas
LEL
%VOL
UEL
%VOL
Range
%LEL
Alarms A/W/C
%LEL
Relative
Density
Propane Rdg
3
@100%LEL
Methane
5.00
15.0 20-(100)
50/20/-10
0.55
40
Propane
2.20
10.0 20-(100)
50/20/-10
1.55
100
Designed for monitoring various other hydrocarbon gases below the LEL, readings are produced by scaling the
propane reading using
a “k
-
factor”.
Accuracy is +/- 6%LEL
4
Gas
LEL
%VOL
UEL
%VOL
Range
%LEL
Alarms A/W/C
%LEL
Relative
Density
Propane Rdg
@100%LEL
K
Factor
Acetone
2.50
12.80
20-(100)
50/20/-10
1.2
35
3.280
Chloromethane
8.10
17.40
20-(100)
50/20/-10
1.7
74
4.970
Cyclopentane
1.10
8.70
20-(100)
50/20/-10
1.6
31
1.620
Dichloroethane
5.40
11.40
20-(100)
50/20/-10
1.2
29
8.570
Ethane
3.00
12.40
20-(100)
50/20/-10
1.05
135
1.010
Ethanol
3.30
19.00
20-(100)
50/20/-10
1.6
91
1.650
Ethyl acetate
2.00
11.50
20-(100)
50/20/-10
1.2
54
1.690
Ethylene
2.70
36.00
20-(100)
50/20/-10
0.98
43
2.837
Ethylene oxide
3.00
100.00
20-(100)
50/20/-10
1.5
161
0.845
Hexane
1.20
7.50
20-(100)
50/20/-10
1.3
68
0.872
MEK
1.40
11.40
20-(100)
50/20/-10
1.1
34
1.870
Methanol
6.00
36.00
20-(100)
50/20/-10
1.01
123
2.220
n-Butane
1.60
8.40
20-(100)
50/20/-10
2.11
75
0.970
Pentane
1.50
7.80
20-(100)
50/20/-10
1.8
72
0.950
Propanol
2.00
12.70
20-(100)
50/20/-10
1.02
64
1.430
Propylene
2.00
11.10
20-(100)
50/20/-10
1.5
54
1.690
Toluene
1.10
7.10
20-(100)
50/20/-10
1.01
42
1.180
Xylene
1.10
7.00
20-(100)
50/20/-10
1.02
33
1.510
Designed for monitoring methane levels above the UEL (Upper Explosive Limit). Can also “auto
-
range” with the high
accuracy methane selection above. Accuracy is +/-2%VOL
Gas
LEL
%VOL
UEL
%VOL
Range
%VOL
Alarms A/W/C
%VOL
Relavite
Density
Methane-HR
5.00
15.0
10-(100)
Disabled
0.55
“Methane
-
HR”
is not designed to be used below 15%VOL
3
Gas reading at the LEL level when propane is selected as the target gas. This is useful for choosing target gas in multi-gas
enviroments (see “Multiple Gas Environments”).
4
These and other gases are available fully calibrated to /-2% by special order. Contact the ATi Sales department for
more information.