Figure 9 Transmitter Unit - M&C PMA Series Instruction Manual


Electrical connections meas. cell

Gas outlet measuring cell

Gas inlet measuring cell

Fastening screw for measuring cell
Figure 9
 Unsolder the brown and yellow cable from the terminals 1 (see figure 9) on the back side of the measuring cell; do
not overheat the terminals; mark the cables accordingly;
 Disconnect the tubing for the sample gas outlet 2 and elbow fitting at the sample gas inlet;
 Loosen the fastening screw of the measuring cell 4 with a screw driver;
 Push cell carefully out of the magnetic field with both thumbs. (Attention! The necessary power to this is not
negligible.)
 Remove cell;
 Exchange only with measuring cells of the same type;
The mounting of the measuring cell is to be effected in reverse order; take care of the correct dumpbell position!
W A R N I N G !
32
Transmitter unit
When using PTFE ferrules, they always have to be renewed.
PMA30 | 1.01.03

Heater element

Transmitter board

Temperature cut out at 72 °C

Temperature sensor
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