sewerin EX-TEC SR4 - T T T T T Echnical Specifications Echnical Specifications Echnical Specifications

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echnical specificationsechnical specifications
echnical specificationsechnical specifications
echnical specifications
Maximum pointerMaximum pointer
Maximum pointerMaximum pointer
Maximum pointer
To facilitate the comparison of different gas concentrations, the
maximum value is displayed by a flashing
maximum pointermaximum pointer
maximum pointermaximum pointer
maximum pointer.
• this remains in the LCD display
(item 2) for about 4 minutes unless
updated by a higher concentration
• pressing the zoom button makes
the maximum pointer disappear
Heavy gasHeavy gas
Heavy gasHeavy gas
Heavy gas
• a negative sign in the measuring-
value display indicates a mixture
of light and heavy gas in which the
heavy gas (e.g. propane C
3
H
8
or
carbon dioxide CO
2
)
predominates.
• if it is carbon dioxide, we
recommend the use of a CO
2
filter (accessories) to suppress
this heavy-gas component
Oxygen concentrationOxygen concentration
Oxygen concentrationOxygen concentration
Oxygen concentration
In order to guarantee electrical safety the detectors may not be used
in an oxygen concentration exceeding 21 vol.%.
An oxygen deficiency may lead to deviations from the correct reading.
At oxygen concentrations beteween 20.9 vol.% and 5 vol.% this
deviation is less than 5 %.