Maintenance
GM32 · Technical information · 8011923 · V1.4 · © SICK AG 71
Subject to change without notice
5.2.2 Determining the necessary test gas concentration
1 Calculation of the maximum nominal concentration
SOPAS ET menu Adjustment Boxmeasuring (
p. 44, §4.2.4.3)
C
TG
Result is in vppm to order the test gases
FS Measuring range in mg/m
3
(see Fig. above)
T Temperature set for the filter box in °C
F Conversion factor ppm to mg/Nm
3
:
NO = 1.34; NO2 = 2.05; NH3 = 0.76; SO2 = 2.86
C
TG
FS
015
------------
273 T+
273
-----------------------
1
F
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=
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