72 GM32 · Technical information · 8011923 · V 1.4 · © SICK AG
Maintenance
Subject to change without notice
2 Calculation of nominal values for the various chamber lengths
Table 3 Test gas concentration, example Table
5.2.3 Procedure
1 Login as Service in SOPAS ET.
2 SOPAS ET menu Maintenance Operating mode switch (
p. 56, §4.2.6.1).
3 Click “Maintenance” to switch the GM32 to operating mode Maintenance.
4 Open the analyzer by loosening the tension clips, remove the hinge pin and take the
analyzer off the device flange by loosening the tension clips.
5 Mount the analyzer on the filter box and fasten with the tension clips.
Fig. 14 GM32 with filter box
6 SOPAS ET menu Adjustment Boxmeasuring (
p. 44, §4.2.4.3)
C
Nom
Nominal concentration in mg/m³
C
TG
Test gas concentration in ppm
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
L Chamber length in mm
Chamber length [mm] Nominal [mg/m³] Actual [mg/m³]
25
50
75
100
125
150
Provide an approx. 20 cm high support for the filter box.
C
Nom
C
TG
F
273
273 T+
-----------------------
AirPressure
1013
-------------------------------
L 0 001 =
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