Accompanying gas (concentration 100vol.%) Zero point deviation in
vol.%O
2
absolute
Methane CH
4
-0.18
Methanol CH
3
OH -0.31
n-octane C
8
H
18
-2.78
n-pentane C
5
H
12
-1.68
Isopentane C
5
H
12
-1.49
Propane C
3
H
8
-0.87
Propylene C
3
H
6
-0.64
Trichlorouoromethane (R11) CCl
3
F -1.63
Vinyl chloride C
2
H
3
Cl -0.77
Vinyl uoride C
2
H
3
F -0.55
1.1 vinylidene chloride C
2
H
2
Cl
2
-1.22
Table 9-4 Zero point error of noble gases
Accompanying gas (concentration 100vol.%) Zero point deviation in
vol.%O
2
absolute
Helium He +0.33
Neon Ne +0.17
Argon Ar -0.25
Krypton Kr -0.55
Xenon Xe -1.05
Table 9-5 Zero point error of inorganic gases
Accompanying gas (concentration 100vol.%) Zero point deviation in
vol.%O
2
absolute
Ammonia NH
3
-0.20
Hydrogen bromide HBr -0.76
Chlorine Cl
2
-0.94
Hydrogen chloride HCl -0.35
Dinitrogen monoxide N
2
O -0.23
Hydrogen uoride HF +0.10
Hydrogen iodide HI -1.19
Carbon dioxide CO
2
-0.30
Carbon monoxide CO +0.07
Oxygen O
2
+100
Nitric oxide NO +42.94
Nitrogen N
2
0.00
Nitrogen dioxide NO
2
+20.00
Sulfur dioxide SO
2
-0.20
Sulfur hexauoride SF
6
-1.05
Hydrogen sulde H
2
S -0.44
Commissioning
9.5Zero point error
Wall-mounted device
Operating Instructions, 07/2023, A5E31930403-AB 131