sewerin EX-TEC Combi, Руководство по эксплуатации

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14
3 Measuring operation
GAS-MEASURING mode ( ⊗ )
Determining gas concentrations (cf. section 1.2: Fields of
application)
pressing the operating-mode
key (instruments variant 2)
for about 3 seconds switches
between the two modes
on instruments variant 1, the
switching is carried out by
pressing the
pump-key
for
about 3 seconds
in this mode all alarm thresholds
and the operating signal are
switched off
the pump now runs at maxi-
mum power
NB: (no symbols)
each available gas is dis-
played for about 3 seconds
before switching to the next
Sequence:
CH
4
- CO
2
- O
2
- H
2
S - CO
in this mode, depending on
the task at hand, you can also
switch the instrument‘s pump
on and off by briefly pressing
the pump-key
Note:
If you wish to use the
EX-TEC Combi
purely as a warn-
ing device, you can deactivate
GAS-MEASURING
mode (cf. section 9.5: Setting the 100 vol.% range)!
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