SO2-BF Sulfur Dioxide Sensors - Alphasense - #2

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SO2-BF Performance Data
Figure 2 Sensitivity Temperature Dependence
1-140!
105
1^^^^^^,,,,--* '''^^^^^^ 00
^^^^^^^ 85
♦ Mean -•- "+05% conf."
-,-,-,-,-80^
"-05% conf."
Figure 2 shows the variation in sensitivity caused by changes in temperature.
This data is taken from a typical batch of sensors. The mean and ± 95% confidence intervals are shown.
o
o o
CN O
<D O
cd <D m
>
CD «3
0
0s
-10
0 10
Temperature (OC)
20
30
50
-30
-20
40
Figure 3 Zero Temperature Dependence
1-3­2 5
i
2
1 5
1
0 5
"——-■------_
+--------+____0
ï~...................... " ........................
40 50
20 -10
0 5
5 10 2030
1
1 5
\
2
♦ Mean
"+05 %conf."
N.
2 5
-*- "-05 % conf."
Temperature (OC)
Figure 3 shows the variation in zero output caused by changes in temperature expressed as ppm gas equivalent.
This data is taken from a typical batch of sensors. The mean and ± 95% confidence intervals are shown.
C
o
O CN O
t
e
O
re er
re
u p
t
u
o o
er
n
0
co
m)
p p
t
m en
> .
(e
Figure 4 Response Profile
10000
II
1
1
1
Figure 4 shows the response to 20 ppm SO2-BF.
This data is taken from a typical batch of sensors. The t90 response for the SO2-BF sensor is less than 30 seconds.
9000
8000
7000
6000
t
u p
t
u
O
5000
4000
3000
2000
1000
0
200
300
400
500
600 700
Time (seconds)
800
900
1000
1100
1200
For further information on the performance of this sensor, on other sensors in the range or any other subject, please contact Alphasense Ltd. For application notes visit "www.alphasense.com".
In the interest of continued product improvement, we reserve the right to change design features and specifications without prior notification. The data contained in this document is for guidance only. Alphasense Ltd accepts no liability for any consequential losses, injury or damage resulting from the use of this document or the information contained within it ( ©ALPHASENSE LTD ) Doc. Ref. TDS/SO2BF/Issue 14

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