Humidity, Oxygen, Response time (90 %) – Vaisala GMP343 User Manual
Page 79: Humidity oxygen, Table 10, Diffusion model, Table 11, Flow-through model
Chapter 7 ____________________________________________________________ Technical Data
VAISALA_______________________________________________________________________ 77
Humidity
For more information on operating humidity range, see
Figure 12 on page
79
.
Oxygen
Response time (90 %)
Effect on accuracy with humidity compensation:
±0.006 % of reading / g/m
3
H
2
O below 1000 ppm CO
2
±0.02 % of reading / g/m
3
H
2
O above 1000 ppm CO
2
The values above only apply in normal ambient pressure.
Effect on accuracy without humidity compensation (typ.):
+0.05 % of reading / g/m
3
H
2
O
Effect on accuracy with oxygen compensation at 20.9 %O
2
:
±0.2 % of reading
Effect on accuracy without oxygen compensation (typ.):
-0.09 % of reading / %O
2
Table 10
Diffusion Model
Filter attached
Averaging (s)
Response (s)
Yes
0
75
Yes
10
80
Yes
30
82
No
0
<2
No
10
12
No
30
30
Table 11
Flow-through Model
Gas flow (l/min) Averaging (s)
Response (s)
0.3
0
26
0.3
10
34
0.3
30
44
1.2
0
8
1.2
10
15
1.2
30
23