TESTO 350 - Appendix

104
9 Appendix
Recommendation for emission measurements over an
extended period of time
The following table shows recommendations for rinse times for
measurements with high concentrations and recommendations for
calibration cycles for emission measurements over an extended
period (via a measuring program):
> Rinse the instrument: Expose the probe to fresh air and start
flue gas measurement.
Measure-
ment
para-
meter
Concen-
tration
[ppm]
Recom-
mended
measure-
ment
period
[min]
Recom-
mended
rinse time
[min]
Recom-
mended
calibration
cycle in
months
Filter service life
COH
2
50
100
200
500
1000
2000
4000
8000
10000
90
60
30
15
10
10
5
5
5
5
5
10
10
10
15
30
45
60
3
3
3
3
3
3
1
1
1
approx.
300.000ppmh
COH
2low
10
20
50
100
200
500
90
60
30
15
10
10
5
5
10
10
15
20
3
3
3
3
3
3
approx. 80.000ppmh
NO
50
100
200
500
1000
2000
3000
90
60
30
20
10
10
5
5
5
5
10
10
20
30
3
3
3
3
3
1
1
approx.
120.000ppmh
(filter exchangeable)
w ww . . co m
information@itm.com1.800.561.8187