9.1
FRONT PANEL
Analog indication
1
Zero potentiometer
2
3
Span potentiometer
LED - heating control
7
Figure 2
9.2
GAS FLOW DIAGRAM OF THE ANALYSER PMA 20
Fine filter
Flow meter with needle valve
Figure 3
10
Front panel PMA20
Gas flow diagram PMA 10
PMA20 | 1.00.01
Flow meter
4
Needle valve 7 - 70 Nl/hr
5
6
Measuring range selector switch
Measuring cell
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