M&C TechGroup PMA 50 EEX Operator's manual - Manual (Page 4)

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Gas sampling and gas conditioning technology 9-3.15-ME
List of Illustrations
Figure 1
PMA 50 Ex Oxygen Analyser ................................................................................. 12
Figure 2 Scheme of the measuring cell and optical signal processing .................................. 15
Figure 3 Gas flow diagram ................................................................................................... 16
Figure 4 Gas conditioning .................................................................................................... 17
Figure 5 Electrical connection in the connection box of the PMA 50EX EEX e ..................... 20
Figure 6 Schematic view of the internal layout of the analyser ............................................. 30
Figure 7 Transmitter unit ........................................................................................................ 32
Figure 8 Schematic view of the transmitter unit .................................................................... 33
Figure 9 Circuit diagram front board PMA50ex 10.2008 ....................................................... 38
Figure 10 Assembly front board PMA50ex 10.2008 ............................................................... 39
Figure 11 Circuit diagram mains adapter PMA50ex 10.2008 .................................................. 40
Figure 12 Assembly / connection mains adapter PMA 50ex 10.2008 ..................................... 41
Figure 13 Cut-out magnification front board for adjustment of temperature alarm (TP10,
P19) (TP11: actual temperature) und flow alarm threshold (P20) ............................ 42
Figure 14 Cut-out magnification front board couple sensor bridge for application of a
transmitter without couple sensor ........................................................................... 42
Figure 15 Cut-out magnification front board for adjustment of reference voltage ,
amplification and offset of the O
2
-signal .................................................................. 43
Figure 16 Cut-out magnification mains adapter for adjustment of the temperature, current
and voltage output .................................................................................................. 44
Figure 17 Cut-out magnification mains adapter for adjustment of burden and limitation of
the current output ................................................................................................... 44