Page 18 ecom-J2KN
pro
CO
2
, efficiency, losses, excess air and dew point are calculated val-
ues. They can only be calculated if realistic values for the basic pa-
rameters O
2
and temperatures are available. It must be ascertained
that:
O
2
< 20,5 % and T.Gas - T.Air > + 5 °C
are given. The dew point can only be calculated accurately if, in the
menu "Adjustments", the current barometric air pressure value has
been entered. This value cannot be determined by the ecom-
J2KN
pro
. If the gas temperature falls below the dew point (between
25 and 65 °C), ETA will be calculated with condensation. In the dis-
play (C) appears behind ETA.
Correct measurement values are displayed first after a short delay,
necessary for the gas transport and the build-up of a stable electro-
chemical reaction at the sensors. This time period lasts approx. be-
tween 1 and 1.5 minute. For recording, printout and evaluation wait
until the values do not change anymore. If deviations higher than 2
ppm still occur by the gas values, they can be due to unstable pres-
sure conditions in the exhaust channel.
If the measurement values are stable
and the results can be printed out, press
the key <Record> (disc symbol) to
transfer the values in the intermediate
memory (caution: store gas analysis
and CO measurement values separate-
ly). The values are stored for a later
printout and, if need be, for a final data
record storage.
If a printout of the values should be made simultaneously to the in-
termediate recording, so press <F2> (the complete content of the
intermediate memory will be printed).
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